/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2010 Sun Microsystems, Inc.
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* Portions Copyright 2011-2015 ForgeRock AS
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*/
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package org.opends.server.util;
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import static org.opends.messages.UtilityMessages.*;
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import static org.opends.server.util.ServerConstants.*;
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import java.io.*;
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import java.net.InetAddress;
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import java.net.InetSocketAddress;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.nio.ByteBuffer;
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import java.nio.channels.SelectionKey;
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import java.nio.channels.Selector;
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import java.nio.channels.SocketChannel;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.*;
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import javax.naming.InitialContext;
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import javax.naming.NamingException;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.i18n.LocalizableMessageBuilder;
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import org.forgerock.i18n.LocalizableMessageDescriptor;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import org.forgerock.opendj.ldap.ByteSequence;
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import org.forgerock.opendj.ldap.ByteString;
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import org.forgerock.util.Reject;
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import org.opends.messages.ToolMessages;
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import org.opends.server.api.ClientConnection;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.core.ServerContext;
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import org.opends.server.types.*;
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import com.forgerock.opendj.cli.Argument;
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import com.forgerock.opendj.cli.ArgumentException;
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/**
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* This class defines a number of static utility methods that may be used
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* throughout the server. Note that because of the frequency with which these
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* methods are expected to be used, very little debug logging will be performed
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* to prevent the log from filling up with unimportant calls and to reduce the
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* impact that debugging may have on performance.
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*/
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@org.opends.server.types.PublicAPI(
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stability=org.opends.server.types.StabilityLevel.UNCOMMITTED,
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mayInstantiate=false,
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mayExtend=false,
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mayInvoke=true)
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public final class StaticUtils
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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/** The number of bytes of a Java int. A Java int is 32 bits, i.e. 4 bytes. */
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public static final int INT_SIZE = 4;
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/** The number of bytes of a Java long. A Java int is 64 bits, i.e. 8 bytes. */
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public static final int LONG_SIZE = 8;
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/**
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* Number of bytes in a Kibibyte.
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* <p>
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* Example usage:
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* <pre>
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* int _10KB = 10 * KB;
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* </pre>
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*/
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public static final int KB = 1024;
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/**
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* Number of bytes in a Mebibyte.
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* <p>
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* Example usage:
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* <pre>
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* int _10MB = 10 * MB;
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* </pre>
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*/
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public static final int MB = KB * KB;
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/** Private constructor to prevent instantiation. */
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private StaticUtils() {
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// No implementation required.
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}
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/**
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* Construct a byte array containing the UTF-8 encoding of the
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* provided string. This is significantly faster
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* than calling {@link String#getBytes(String)} for ASCII strings.
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*
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* @param s
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* The string to convert to a UTF-8 byte array.
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* @return Returns a byte array containing the UTF-8 encoding of the
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* provided string.
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*/
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public static byte[] getBytes(String s)
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{
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return com.forgerock.opendj.util.StaticUtils.getBytes(s);
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}
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/**
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* Returns the provided byte array decoded as a UTF-8 string without throwing
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* an UnsupportedEncodingException. This method is equivalent to:
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*
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* <pre>
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* try
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* {
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* return new String(bytes, "UTF-8");
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* }
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* catch (UnsupportedEncodingException e)
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* {
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* // Should never happen: UTF-8 is always supported.
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* throw new RuntimeException(e);
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* }
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* </pre>
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*
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* @param bytes
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* The byte array to be decoded as a UTF-8 string.
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* @return The decoded string.
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*/
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public static String decodeUTF8(final byte[] bytes)
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{
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Reject.ifNull(bytes);
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if (bytes.length == 0)
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{
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return "".intern();
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}
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final StringBuilder builder = new StringBuilder(bytes.length);
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final int sz = bytes.length;
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for (int i = 0; i < sz; i++)
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{
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final byte b = bytes[i];
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if ((b & 0x7f) != b)
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{
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try
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{
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builder.append(new String(bytes, i, (sz - i), "UTF-8"));
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}
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catch (UnsupportedEncodingException e)
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{
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// Should never happen: UTF-8 is always supported.
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throw new RuntimeException(e);
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}
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break;
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}
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builder.append((char) b);
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}
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return builder.toString();
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}
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/**
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* Retrieves a string representation of the provided byte in hexadecimal.
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*
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* @param b
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* The byte for which to retrieve the hexadecimal string
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* representation.
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* @return The string representation of the provided byte in hexadecimal.
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*/
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public static String byteToHex(final byte b)
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{
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return com.forgerock.opendj.util.StaticUtils.byteToHex(b);
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}
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/**
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* Retrieves a string representation of the provided byte in hexadecimal.
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*
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* @param b The byte for which to retrieve the hexadecimal string
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* representation.
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* @return The string representation of the provided byte in hexadecimal
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* using lowercase characters.
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*/
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public static String byteToLowerHex(final byte b)
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{
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return com.forgerock.opendj.util.StaticUtils.byteToLowerHex(b);
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}
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/**
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* Retrieves a string representation of the contents of the provided byte
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* array using hexadecimal characters with no space between each byte.
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*
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* @param b The byte array containing the data.
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*
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* @return A string representation of the contents of the provided byte
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* array using hexadecimal characters.
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*/
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public static String bytesToHexNoSpace(byte[] b)
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{
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if (b == null || b.length == 0)
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{
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return "";
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}
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int arrayLength = b.length;
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StringBuilder buffer = new StringBuilder(arrayLength * 2);
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for (int i=0; i < arrayLength; i++)
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{
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buffer.append(byteToHex(b[i]));
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}
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return buffer.toString();
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}
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/**
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* Retrieves a string representation of the contents of the provided byte
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* array using hexadecimal characters and a space between each byte.
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*
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* @param b The byte array containing the data.
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* @return A string representation of the contents of the provided byte
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* array using hexadecimal characters.
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*/
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public static String bytesToHex(byte[] b)
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{
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if (b == null || b.length == 0)
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{
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return "";
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}
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int arrayLength = b.length;
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StringBuilder buffer = new StringBuilder((arrayLength - 1) * 3 + 2);
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buffer.append(byteToHex(b[0]));
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for (int i=1; i < arrayLength; i++)
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{
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buffer.append(" ");
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buffer.append(byteToHex(b[i]));
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}
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return buffer.toString();
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}
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/**
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* Retrieves a string representation of the contents of the provided byte
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* sequence using hexadecimal characters and a space between each byte.
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*
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* @param b The byte sequence containing the data.
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* @return A string representation of the contents of the provided byte
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* sequence using hexadecimal characters.
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*/
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public static String bytesToHex(ByteSequence b)
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{
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if (b == null || b.length() == 0)
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{
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return "";
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}
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int arrayLength = b.length();
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StringBuilder buffer = new StringBuilder((arrayLength - 1) * 3 + 2);
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buffer.append(byteToHex(b.byteAt(0)));
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for (int i=1; i < arrayLength; i++)
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{
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buffer.append(" ");
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buffer.append(byteToHex(b.byteAt(i)));
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}
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return buffer.toString();
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}
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/**
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* Retrieves a string representation of the contents of the provided byte
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* array using hexadecimal characters and a colon between each byte.
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*
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* @param b The byte array containing the data.
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*
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* @return A string representation of the contents of the provided byte
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* array using hexadecimal characters.
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*/
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public static String bytesToColonDelimitedHex(byte[] b)
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{
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if (b == null || b.length == 0)
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{
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return "";
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}
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int arrayLength = b.length;
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StringBuilder buffer = new StringBuilder((arrayLength - 1) * 3 + 2);
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buffer.append(byteToHex(b[0]));
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for (int i=1; i < arrayLength; i++)
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{
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buffer.append(":");
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buffer.append(byteToHex(b[i]));
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}
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return buffer.toString();
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}
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/**
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* Retrieves a string representation of the contents of the provided byte
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* buffer using hexadecimal characters and a space between each byte.
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*
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* @param b The byte buffer containing the data.
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*
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* @return A string representation of the contents of the provided byte
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* buffer using hexadecimal characters.
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*/
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public static String bytesToHex(ByteBuffer b)
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{
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if (b == null)
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{
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return "";
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}
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int position = b.position();
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int limit = b.limit();
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int length = limit - position;
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if (length == 0)
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{
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return "";
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}
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StringBuilder buffer = new StringBuilder((length - 1) * 3 + 2);
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buffer.append(byteToHex(b.get()));
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for (int i=1; i < length; i++)
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{
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buffer.append(" ");
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buffer.append(byteToHex(b.get()));
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}
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b.position(position);
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b.limit(limit);
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return buffer.toString();
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}
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/**
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* Appends a string representation of the provided byte array to the given
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* buffer using the specified indent. The data will be formatted with sixteen
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* hex bytes in a row followed by the ASCII representation, then wrapping to a
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* new line as necessary.
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*
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* @param buffer The buffer to which the information is to be appended.
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* @param b The byte array containing the data to write.
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* @param indent The number of spaces to indent the output.
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*/
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public static void byteArrayToHexPlusAscii(StringBuilder buffer, byte[] b,
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int indent)
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{
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StringBuilder indentBuf = new StringBuilder(indent);
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for (int i=0 ; i < indent; i++)
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{
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indentBuf.append(' ');
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}
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int length = b.length;
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int pos = 0;
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while (length - pos >= 16)
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{
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StringBuilder asciiBuf = new StringBuilder(17);
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buffer.append(indentBuf);
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buffer.append(byteToHex(b[pos]));
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asciiBuf.append(byteToASCII(b[pos]));
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pos++;
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for (int i=1; i < 16; i++, pos++)
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{
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buffer.append(' ');
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buffer.append(byteToHex(b[pos]));
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asciiBuf.append(byteToASCII(b[pos]));
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if (i == 7)
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{
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buffer.append(" ");
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asciiBuf.append(' ');
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}
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}
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buffer.append(" ");
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buffer.append(asciiBuf);
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buffer.append(EOL);
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}
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int remaining = length - pos;
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if (remaining > 0)
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{
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StringBuilder asciiBuf = new StringBuilder(remaining+1);
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buffer.append(indentBuf);
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buffer.append(byteToHex(b[pos]));
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asciiBuf.append(byteToASCII(b[pos]));
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pos++;
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for (int i=1; i < 16; i++)
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{
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buffer.append(' ');
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if (i < remaining)
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{
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buffer.append(byteToHex(b[pos]));
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asciiBuf.append(byteToASCII(b[pos]));
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pos++;
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}
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else
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{
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buffer.append(" ");
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}
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if (i == 7)
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{
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buffer.append(" ");
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if (i < remaining)
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{
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asciiBuf.append(' ');
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}
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}
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}
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buffer.append(" ");
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buffer.append(asciiBuf);
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buffer.append(EOL);
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}
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}
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private static char byteToASCII(byte b)
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{
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return com.forgerock.opendj.util.StaticUtils.byteToASCII(b);
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}
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/**
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* Appends a string representation of the remaining unread data in the
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* provided byte buffer to the given buffer using the specified indent.
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* The data will be formatted with sixteen hex bytes in a row followed by
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* the ASCII representation, then wrapping to a new line as necessary.
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* The state of the byte buffer is not changed.
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*
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* @param buffer The buffer to which the information is to be appended.
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* @param b The byte buffer containing the data to write.
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* The data from the position to the limit is written.
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* @param indent The number of spaces to indent the output.
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*/
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public static void byteArrayToHexPlusAscii(StringBuilder buffer, ByteBuffer b,
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int indent)
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{
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StringBuilder indentBuf = new StringBuilder(indent);
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for (int i=0 ; i < indent; i++)
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{
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indentBuf.append(' ');
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}
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int position = b.position();
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int limit = b.limit();
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int length = limit - position;
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int pos = 0;
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while (length - pos >= 16)
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{
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StringBuilder asciiBuf = new StringBuilder(17);
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byte currentByte = b.get();
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buffer.append(indentBuf);
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buffer.append(byteToHex(currentByte));
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asciiBuf.append(byteToASCII(currentByte));
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pos++;
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for (int i=1; i < 16; i++, pos++)
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{
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currentByte = b.get();
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buffer.append(' ');
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buffer.append(byteToHex(currentByte));
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asciiBuf.append(byteToASCII(currentByte));
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if (i == 7)
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{
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buffer.append(" ");
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asciiBuf.append(' ');
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}
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}
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buffer.append(" ");
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buffer.append(asciiBuf);
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buffer.append(EOL);
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}
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int remaining = length - pos;
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if (remaining > 0)
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{
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StringBuilder asciiBuf = new StringBuilder(remaining+1);
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byte currentByte = b.get();
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buffer.append(indentBuf);
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buffer.append(byteToHex(currentByte));
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asciiBuf.append(byteToASCII(currentByte));
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for (int i=1; i < 16; i++)
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{
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buffer.append(' ');
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if (i < remaining)
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{
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currentByte = b.get();
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buffer.append(byteToHex(currentByte));
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asciiBuf.append(byteToASCII(currentByte));
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}
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else
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{
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buffer.append(" ");
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}
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if (i == 7)
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{
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buffer.append(" ");
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if (i < remaining)
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{
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asciiBuf.append(' ');
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}
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}
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}
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buffer.append(" ");
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buffer.append(asciiBuf);
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buffer.append(EOL);
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}
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b.position(position);
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b.limit(limit);
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}
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|
|
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/**
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* Compare two byte arrays for order. Returns a negative integer,
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* zero, or a positive integer as the first argument is less than,
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* equal to, or greater than the second.
|
*
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* @param a
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* The first byte array to be compared.
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* @param a2
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* The second byte array to be compared.
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* @return Returns a negative integer, zero, or a positive integer
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* if the first byte array is less than, equal to, or greater
|
* than the second.
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*/
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public static int compare(byte[] a, byte[] a2) {
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if (a == a2) {
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return 0;
|
}
|
|
if (a == null) {
|
return -1;
|
}
|
|
if (a2 == null) {
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return 1;
|
}
|
|
int minLength = Math.min(a.length, a2.length);
|
for (int i = 0; i < minLength; i++) {
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int firstByte = 0xFF & a[i];
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int secondByte = 0xFF & a2[i];
|
if (firstByte != secondByte) {
|
if (firstByte < secondByte) {
|
return -1;
|
} else if (firstByte > secondByte) {
|
return 1;
|
}
|
}
|
}
|
|
return a.length - a2.length;
|
}
|
|
|
|
/**
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* Indicates whether the two array lists are equal. They will be
|
* considered equal if they have the same number of elements, and
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* the corresponding elements between them are equal (in the same
|
* order).
|
*
|
* @param list1
|
* The first list for which to make the determination.
|
* @param list2
|
* The second list for which to make the determination.
|
* @return <CODE>true</CODE> if the two array lists are equal, or
|
* <CODE>false</CODE> if they are not.
|
*/
|
public static boolean listsAreEqual(List<?> list1, List<?> list2)
|
{
|
if (list1 == null)
|
{
|
return list2 == null;
|
}
|
else if (list2 == null)
|
{
|
return false;
|
}
|
|
int numElements = list1.size();
|
if (numElements != list2.size())
|
{
|
return false;
|
}
|
|
// If either of the lists doesn't support random access, then fall back
|
// on their equals methods and go ahead and create some garbage with the
|
// iterators.
|
if (!(list1 instanceof RandomAccess) ||
|
!(list2 instanceof RandomAccess))
|
{
|
return list1.equals(list2);
|
}
|
|
// Otherwise we can just retrieve the elements efficiently via their index.
|
for (int i=0; i < numElements; i++)
|
{
|
Object o1 = list1.get(i);
|
Object o2 = list2.get(i);
|
|
if (o1 == null)
|
{
|
if (o2 != null)
|
{
|
return false;
|
}
|
}
|
else if (! o1.equals(o2))
|
{
|
return false;
|
}
|
}
|
|
return true;
|
}
|
|
/**
|
* Retrieves the best human-readable message for the provided exception. For
|
* exceptions defined in the OpenDJ project, it will attempt to use the
|
* message (combining it with the message ID if available). For some
|
* exceptions that use encapsulation (e.g., InvocationTargetException), it
|
* will be unwrapped and the cause will be treated. For all others, the
|
*
|
*
|
* @param t The {@code Throwable} object for which to retrieve the message.
|
*
|
* @return The human-readable message generated for the provided exception.
|
*/
|
public static LocalizableMessage getExceptionMessage(Throwable t)
|
{
|
if (t instanceof IdentifiedException)
|
{
|
IdentifiedException ie = (IdentifiedException) t;
|
|
StringBuilder message = new StringBuilder();
|
message.append(ie.getMessage());
|
message.append(" (id=");
|
LocalizableMessage ieMsg = ie.getMessageObject();
|
if (ieMsg != null) {
|
message.append(ieMsg.resourceName()).append("-").append(ieMsg.ordinal());
|
} else {
|
message.append("-1");
|
}
|
message.append(")");
|
return LocalizableMessage.raw(message.toString());
|
}
|
else
|
{
|
return com.forgerock.opendj.util.StaticUtils.getExceptionMessage(t);
|
}
|
}
|
|
|
|
/**
|
* Retrieves a stack trace from the provided exception as a single-line
|
* string.
|
*
|
* @param t The exception for which to retrieve the stack trace.
|
*
|
* @return A stack trace from the provided exception as a single-line string.
|
*/
|
public static String stackTraceToSingleLineString(Throwable t)
|
{
|
return com.forgerock.opendj.util.StaticUtils.stackTraceToSingleLineString(t, DynamicConstants.DEBUG_BUILD);
|
}
|
|
|
|
/**
|
* Appends a single-line string representation of the provided exception to
|
* the given buffer.
|
*
|
* @param buffer The buffer to which the information is to be appended.
|
* @param t The exception for which to retrieve the stack trace.
|
*/
|
public static void stackTraceToSingleLineString(StringBuilder buffer,
|
Throwable t)
|
{
|
com.forgerock.opendj.util.StaticUtils.stackTraceToSingleLineString(buffer, t, DynamicConstants.DEBUG_BUILD);
|
}
|
|
|
|
/**
|
* Retrieves a string representation of the stack trace for the provided
|
* exception.
|
*
|
* @param t The exception for which to retrieve the stack trace.
|
*
|
* @return A string representation of the stack trace for the provided
|
* exception.
|
*/
|
public static String stackTraceToString(Throwable t)
|
{
|
StringBuilder buffer = new StringBuilder();
|
stackTraceToString(buffer, t);
|
return buffer.toString();
|
}
|
|
/**
|
* Check if the stack trace of provided exception contains a given cause.
|
*
|
* @param throwable
|
* exception that may contain the cause
|
* @param searchedCause
|
* class of the cause to look for. Any subclass will match.
|
* @return true if and only if the given cause is found as a cause of any
|
* level in the provided exception.
|
*/
|
public static boolean stackTraceContainsCause(
|
Throwable throwable, Class<? extends Throwable> searchedCause)
|
{
|
Throwable t = throwable;
|
while ((t = t.getCause()) != null)
|
{
|
if (searchedCause.isAssignableFrom(t.getClass()))
|
{
|
return true;
|
}
|
|
}
|
return false;
|
}
|
|
/**
|
* Appends a string representation of the stack trace for the provided
|
* exception to the given buffer.
|
*
|
* @param buffer The buffer to which the information is to be appended.
|
* @param t The exception for which to retrieve the stack trace.
|
*/
|
public static void stackTraceToString(StringBuilder buffer, Throwable t)
|
{
|
if (t == null)
|
{
|
return;
|
}
|
|
buffer.append(t);
|
|
for (StackTraceElement e : t.getStackTrace())
|
{
|
buffer.append(EOL);
|
buffer.append(" ");
|
buffer.append(e.getClassName());
|
buffer.append(".");
|
buffer.append(e.getMethodName());
|
buffer.append("(");
|
buffer.append(e.getFileName());
|
buffer.append(":");
|
buffer.append(e.getLineNumber());
|
buffer.append(")");
|
}
|
|
while (t.getCause() != null)
|
{
|
t = t.getCause();
|
buffer.append(EOL);
|
buffer.append("Caused by ");
|
buffer.append(t);
|
|
for (StackTraceElement e : t.getStackTrace())
|
{
|
buffer.append(EOL);
|
buffer.append(" ");
|
buffer.append(e.getClassName());
|
buffer.append(".");
|
buffer.append(e.getMethodName());
|
buffer.append("(");
|
buffer.append(e.getFileName());
|
buffer.append(":");
|
buffer.append(e.getLineNumber());
|
buffer.append(")");
|
}
|
}
|
|
buffer.append(EOL);
|
}
|
|
|
|
/**
|
* Retrieves a backtrace for the current thread consisting only of filenames
|
* and line numbers that may be useful in debugging the origin of problems
|
* that should not have happened. Note that this may be an expensive
|
* operation to perform, so it should only be used for error conditions or
|
* debugging.
|
*
|
* @return A backtrace for the current thread.
|
*/
|
public static String getBacktrace()
|
{
|
StringBuilder buffer = new StringBuilder();
|
|
StackTraceElement[] elements = Thread.currentThread().getStackTrace();
|
|
if (elements.length > 1)
|
{
|
buffer.append(elements[1].getFileName());
|
buffer.append(":");
|
buffer.append(elements[1].getLineNumber());
|
|
for (int i=2; i < elements.length; i++)
|
{
|
buffer.append(" ");
|
buffer.append(elements[i].getFileName());
|
buffer.append(":");
|
buffer.append(elements[i].getLineNumber());
|
}
|
}
|
|
return buffer.toString();
|
}
|
|
|
|
/**
|
* Retrieves a backtrace for the provided exception consisting of only
|
* filenames and line numbers that may be useful in debugging the origin of
|
* problems. This is less expensive than the call to
|
* <CODE>getBacktrace</CODE> without any arguments if an exception has already
|
* been thrown.
|
*
|
* @param t The exception for which to obtain the backtrace.
|
*
|
* @return A backtrace from the provided exception.
|
*/
|
public static String getBacktrace(Throwable t)
|
{
|
StringBuilder buffer = new StringBuilder();
|
|
StackTraceElement[] elements = t.getStackTrace();
|
|
if (elements.length > 0)
|
{
|
buffer.append(elements[0].getFileName());
|
buffer.append(":");
|
buffer.append(elements[0].getLineNumber());
|
|
for (int i=1; i < elements.length; i++)
|
{
|
buffer.append(" ");
|
buffer.append(elements[i].getFileName());
|
buffer.append(":");
|
buffer.append(elements[i].getLineNumber());
|
}
|
}
|
|
return buffer.toString();
|
}
|
|
|
|
/**
|
* Indicates whether the provided character is a numeric digit.
|
*
|
* @param c The character for which to make the determination.
|
*
|
* @return <CODE>true</CODE> if the provided character represents a numeric
|
* digit, or <CODE>false</CODE> if not.
|
*/
|
public static boolean isDigit(final char c) {
|
return com.forgerock.opendj.util.StaticUtils.isDigit(c);
|
}
|
|
|
|
/**
|
* Indicates whether the provided character is an ASCII alphabetic character.
|
*
|
* @param c The character for which to make the determination.
|
*
|
* @return <CODE>true</CODE> if the provided value is an uppercase or
|
* lowercase ASCII alphabetic character, or <CODE>false</CODE> if it
|
* is not.
|
*/
|
public static boolean isAlpha(final char c) {
|
return com.forgerock.opendj.util.StaticUtils.isAlpha(c);
|
}
|
|
/**
|
* Indicates whether the provided character is a hexadecimal digit.
|
*
|
* @param c The character for which to make the determination.
|
*
|
* @return <CODE>true</CODE> if the provided character represents a
|
* hexadecimal digit, or <CODE>false</CODE> if not.
|
*/
|
public static boolean isHexDigit(final char c) {
|
return com.forgerock.opendj.util.StaticUtils.isHexDigit(c);
|
}
|
|
/**
|
* Indicates whether the provided byte represents a hexadecimal digit.
|
*
|
* @param b The byte for which to make the determination.
|
*
|
* @return <CODE>true</CODE> if the provided byte represents a hexadecimal
|
* digit, or <CODE>false</CODE> if not.
|
*/
|
public static boolean isHexDigit(byte b)
|
{
|
switch (b)
|
{
|
case '0':
|
case '1':
|
case '2':
|
case '3':
|
case '4':
|
case '5':
|
case '6':
|
case '7':
|
case '8':
|
case '9':
|
case 'A':
|
case 'B':
|
case 'C':
|
case 'D':
|
case 'E':
|
case 'F':
|
case 'a':
|
case 'b':
|
case 'c':
|
case 'd':
|
case 'e':
|
case 'f':
|
return true;
|
default:
|
return false;
|
}
|
}
|
|
|
|
/**
|
* Converts the provided hexadecimal string to a byte array.
|
*
|
* @param hexString The hexadecimal string to convert to a byte array.
|
*
|
* @return The byte array containing the binary representation of the
|
* provided hex string.
|
*
|
* @throws ParseException If the provided string contains invalid
|
* hexadecimal digits or does not contain an even
|
* number of digits.
|
*/
|
public static byte[] hexStringToByteArray(String hexString)
|
throws ParseException
|
{
|
int length;
|
if (hexString == null || ((length = hexString.length()) == 0))
|
{
|
return new byte[0];
|
}
|
|
|
if ((length % 2) == 1)
|
{
|
LocalizableMessage message = ERR_HEX_DECODE_INVALID_LENGTH.get(hexString);
|
throw new ParseException(message.toString(), 0);
|
}
|
|
|
int pos = 0;
|
int arrayLength = length / 2;
|
byte[] returnArray = new byte[arrayLength];
|
for (int i=0; i < arrayLength; i++)
|
{
|
switch (hexString.charAt(pos++))
|
{
|
case '0':
|
returnArray[i] = 0x00;
|
break;
|
case '1':
|
returnArray[i] = 0x10;
|
break;
|
case '2':
|
returnArray[i] = 0x20;
|
break;
|
case '3':
|
returnArray[i] = 0x30;
|
break;
|
case '4':
|
returnArray[i] = 0x40;
|
break;
|
case '5':
|
returnArray[i] = 0x50;
|
break;
|
case '6':
|
returnArray[i] = 0x60;
|
break;
|
case '7':
|
returnArray[i] = 0x70;
|
break;
|
case '8':
|
returnArray[i] = (byte) 0x80;
|
break;
|
case '9':
|
returnArray[i] = (byte) 0x90;
|
break;
|
case 'A':
|
case 'a':
|
returnArray[i] = (byte) 0xA0;
|
break;
|
case 'B':
|
case 'b':
|
returnArray[i] = (byte) 0xB0;
|
break;
|
case 'C':
|
case 'c':
|
returnArray[i] = (byte) 0xC0;
|
break;
|
case 'D':
|
case 'd':
|
returnArray[i] = (byte) 0xD0;
|
break;
|
case 'E':
|
case 'e':
|
returnArray[i] = (byte) 0xE0;
|
break;
|
case 'F':
|
case 'f':
|
returnArray[i] = (byte) 0xF0;
|
break;
|
default:
|
LocalizableMessage message = ERR_HEX_DECODE_INVALID_CHARACTER.get(
|
hexString, hexString.charAt(pos-1));
|
throw new ParseException(message.toString(), 0);
|
}
|
|
switch (hexString.charAt(pos++))
|
{
|
case '0':
|
// No action required.
|
break;
|
case '1':
|
returnArray[i] |= 0x01;
|
break;
|
case '2':
|
returnArray[i] |= 0x02;
|
break;
|
case '3':
|
returnArray[i] |= 0x03;
|
break;
|
case '4':
|
returnArray[i] |= 0x04;
|
break;
|
case '5':
|
returnArray[i] |= 0x05;
|
break;
|
case '6':
|
returnArray[i] |= 0x06;
|
break;
|
case '7':
|
returnArray[i] |= 0x07;
|
break;
|
case '8':
|
returnArray[i] |= 0x08;
|
break;
|
case '9':
|
returnArray[i] |= 0x09;
|
break;
|
case 'A':
|
case 'a':
|
returnArray[i] |= 0x0A;
|
break;
|
case 'B':
|
case 'b':
|
returnArray[i] |= 0x0B;
|
break;
|
case 'C':
|
case 'c':
|
returnArray[i] |= 0x0C;
|
break;
|
case 'D':
|
case 'd':
|
returnArray[i] |= 0x0D;
|
break;
|
case 'E':
|
case 'e':
|
returnArray[i] |= 0x0E;
|
break;
|
case 'F':
|
case 'f':
|
returnArray[i] |= 0x0F;
|
break;
|
default:
|
LocalizableMessage message = ERR_HEX_DECODE_INVALID_CHARACTER.get(
|
hexString, hexString.charAt(pos-1));
|
throw new ParseException(message.toString(), 0);
|
}
|
}
|
|
return returnArray;
|
}
|
|
|
|
/**
|
* Indicates whether the provided value needs to be base64-encoded if it is
|
* represented in LDIF form.
|
*
|
* @param valueBytes The binary representation of the attribute value for
|
* which to make the determination.
|
*
|
* @return <CODE>true</CODE> if the value needs to be base64-encoded if it is
|
* represented in LDIF form, or <CODE>false</CODE> if not.
|
*/
|
public static boolean needsBase64Encoding(ByteSequence valueBytes)
|
{
|
int length;
|
if (valueBytes == null || ((length = valueBytes.length()) == 0))
|
{
|
return false;
|
}
|
|
|
// If the value starts with a space, colon, or less than, then it needs to
|
// be base64-encoded.
|
switch (valueBytes.byteAt(0))
|
{
|
case 0x20: // Space
|
case 0x3A: // Colon
|
case 0x3C: // Less-than
|
return true;
|
}
|
|
|
// If the value ends with a space, then it needs to be base64-encoded.
|
if (length > 1 && valueBytes.byteAt(length - 1) == 0x20)
|
{
|
return true;
|
}
|
|
|
// If the value contains a null, newline, or return character, then it needs
|
// to be base64-encoded.
|
byte b;
|
for (int i = 0; i < valueBytes.length(); i++)
|
{
|
b = valueBytes.byteAt(i);
|
if (b < 0 || 127 < b)
|
{
|
return true;
|
}
|
|
switch (b)
|
{
|
case 0x00: // Null
|
case 0x0A: // New line
|
case 0x0D: // Carriage return
|
return true;
|
}
|
}
|
|
|
// If we've made it here, then there's no reason to base64-encode.
|
return false;
|
}
|
|
|
|
/**
|
* Indicates whether the provided value needs to be base64-encoded if it is
|
* represented in LDIF form.
|
*
|
* @param valueString The string representation of the attribute value for
|
* which to make the determination.
|
*
|
* @return <CODE>true</CODE> if the value needs to be base64-encoded if it is
|
* represented in LDIF form, or <CODE>false</CODE> if not.
|
*/
|
public static boolean needsBase64Encoding(String valueString)
|
{
|
int length;
|
if (valueString == null || ((length = valueString.length()) == 0))
|
{
|
return false;
|
}
|
|
|
// If the value starts with a space, colon, or less than, then it needs to
|
// be base64-encoded.
|
switch (valueString.charAt(0))
|
{
|
case ' ':
|
case ':':
|
case '<':
|
return true;
|
}
|
|
|
// If the value ends with a space, then it needs to be base64-encoded.
|
if (length > 1 && valueString.charAt(length - 1) == ' ')
|
{
|
return true;
|
}
|
|
|
// If the value contains a null, newline, or return character, then it needs
|
// to be base64-encoded.
|
for (int i=0; i < length; i++)
|
{
|
char c = valueString.charAt(i);
|
if (c <= 0 || c == 0x0A || c == 0x0D || c > 127)
|
{
|
return true;
|
}
|
}
|
|
|
// If we've made it here, then there's no reason to base64-encode.
|
return false;
|
}
|
|
|
|
/**
|
* Indicates whether the use of the exec method will be allowed on this
|
* system. It will be allowed by default, but that capability will be removed
|
* if the org.opends.server.DisableExec system property is set and has any
|
* value other than "false", "off", "no", or "0".
|
*
|
* @return <CODE>true</CODE> if the use of the exec method should be allowed,
|
* or <CODE>false</CODE> if it should not be allowed.
|
*/
|
public static boolean mayUseExec()
|
{
|
return !DirectoryServer.getEnvironmentConfig().disableExec();
|
}
|
|
|
|
/**
|
* Executes the specified command on the system and captures its output. This
|
* will not return until the specified process has completed.
|
*
|
* @param command The command to execute.
|
* @param args The set of arguments to provide to the command.
|
* @param workingDirectory The working directory to use for the command, or
|
* <CODE>null</CODE> if the default directory
|
* should be used.
|
* @param environment The set of environment variables that should be
|
* set when executing the command, or
|
* <CODE>null</CODE> if none are needed.
|
* @param output The output generated by the command while it was
|
* running. This will include both standard
|
* output and standard error. It may be
|
* <CODE>null</CODE> if the output does not need to
|
* be captured.
|
*
|
* @return The exit code for the command.
|
*
|
* @throws IOException If an I/O problem occurs while trying to execute the
|
* command.
|
*
|
* @throws SecurityException If the security policy will not allow the
|
* command to be executed.
|
*
|
* @throws InterruptedException If the current thread is interrupted by
|
* another thread while it is waiting, then
|
* the wait is ended and an InterruptedException
|
* is thrown.
|
*/
|
public static int exec(String command, String[] args, File workingDirectory,
|
Map<String,String> environment, List<String> output)
|
throws IOException, SecurityException, InterruptedException
|
{
|
// See whether we'll allow the use of exec on this system. If not, then
|
// throw an exception.
|
if (! mayUseExec())
|
{
|
throw new SecurityException(ERR_EXEC_DISABLED.get(command).toString());
|
}
|
|
|
ArrayList<String> commandAndArgs = new ArrayList<>();
|
commandAndArgs.add(command);
|
if (args != null && args.length > 0)
|
{
|
Collections.addAll(commandAndArgs, args);
|
}
|
|
ProcessBuilder processBuilder = new ProcessBuilder(commandAndArgs);
|
processBuilder.redirectErrorStream(true);
|
|
if (workingDirectory != null && workingDirectory.isDirectory())
|
{
|
processBuilder.directory(workingDirectory);
|
}
|
|
if (environment != null && !environment.isEmpty())
|
{
|
processBuilder.environment().putAll(environment);
|
}
|
|
Process process = processBuilder.start();
|
|
// We must exhaust stdout and stderr before calling waitfor. Since we
|
// redirected the error stream, we just have to read from stdout.
|
InputStream processStream = process.getInputStream();
|
BufferedReader reader =
|
new BufferedReader(new InputStreamReader(processStream));
|
String line = null;
|
|
try
|
{
|
while((line = reader.readLine()) != null)
|
{
|
if(output != null)
|
{
|
output.add(line);
|
}
|
}
|
}
|
catch(IOException ioe)
|
{
|
// If this happens, then we have no choice but to forcefully terminate
|
// the process.
|
try
|
{
|
process.destroy();
|
}
|
catch (Exception e)
|
{
|
logger.traceException(e);
|
}
|
|
throw ioe;
|
}
|
finally
|
{
|
try
|
{
|
reader.close();
|
}
|
catch(IOException e)
|
{
|
logger.traceException(e);
|
}
|
}
|
|
return process.waitFor();
|
}
|
|
|
|
/**
|
* Indicates whether the provided string contains a name or OID for a schema
|
* element like an attribute type or objectclass.
|
*
|
* @param element The string containing the substring for which to
|
* make the determination.
|
* @param startPos The position of the first character that is to be
|
* checked.
|
* @param endPos The position of the first character after the start
|
* position that is not to be checked.
|
* @param invalidReason The buffer to which the invalid reason is to be
|
* appended if a problem is found.
|
*
|
* @return <CODE>true</CODE> if the provided string contains a valid name or
|
* OID for a schema element, or <CODE>false</CODE> if it does not.
|
*/
|
public static boolean isValidSchemaElement(String element, int startPos,
|
int endPos,
|
LocalizableMessageBuilder invalidReason)
|
{
|
if (element == null || startPos >= endPos)
|
{
|
invalidReason.append(ERR_SCHEMANAME_EMPTY_VALUE.get());
|
return false;
|
}
|
|
|
char c = element.charAt(startPos);
|
if (isAlpha(c))
|
{
|
// This can only be a name and not an OID. The only remaining characters
|
// must be letters, digits, dashes, and possibly the underscore.
|
for (int i=startPos+1; i < endPos; i++)
|
{
|
c = element.charAt(i);
|
if (!isAlpha(c)
|
&& !isDigit(c)
|
&& c != '-'
|
&& (c != '_' || !DirectoryServer.allowAttributeNameExceptions()))
|
{
|
// This is an illegal character for an attribute name.
|
invalidReason.append(ERR_SCHEMANAME_ILLEGAL_CHAR.get(element, c, i));
|
return false;
|
}
|
}
|
}
|
else if (isDigit(c))
|
{
|
// This should indicate an OID, but it may also be a name if name
|
// exceptions are enabled. Since we don't know for sure, we'll just
|
// hold off until we know for sure.
|
boolean isKnown = !DirectoryServer.allowAttributeNameExceptions();
|
boolean isNumeric = true;
|
boolean lastWasDot = false;
|
|
for (int i=startPos+1; i < endPos; i++)
|
{
|
c = element.charAt(i);
|
if (c == '.')
|
{
|
if (isKnown)
|
{
|
if (isNumeric)
|
{
|
// This is probably legal unless the last character was also a
|
// period.
|
if (lastWasDot)
|
{
|
invalidReason.append(ERR_SCHEMANAME_CONSECUTIVE_PERIODS.get(
|
element, i));
|
return false;
|
}
|
else
|
{
|
lastWasDot = true;
|
}
|
}
|
else
|
{
|
// This is an illegal character.
|
invalidReason.append(ERR_SCHEMANAME_ILLEGAL_CHAR.get(
|
element, c, i));
|
return false;
|
}
|
}
|
else
|
{
|
// Now we know that this must be a numeric OID and not an attribute
|
// name with exceptions allowed.
|
lastWasDot = true;
|
isKnown = true;
|
isNumeric = true;
|
}
|
}
|
else
|
{
|
lastWasDot = false;
|
|
if (isAlpha(c) || c == '-' || c == '_')
|
{
|
if (isKnown)
|
{
|
if (isNumeric)
|
{
|
// This is an illegal character for a numeric OID.
|
invalidReason.append(ERR_SCHEMANAME_ILLEGAL_CHAR.get(
|
element, c, i));
|
return false;
|
}
|
}
|
else
|
{
|
// Now we know that this must be an attribute name with exceptions
|
// allowed and not a numeric OID.
|
isKnown = true;
|
isNumeric = false;
|
}
|
}
|
else if (! isDigit(c))
|
{
|
// This is an illegal character.
|
invalidReason.append(ERR_SCHEMANAME_ILLEGAL_CHAR.get(
|
element, c, i));
|
return false;
|
}
|
}
|
}
|
}
|
else
|
{
|
// This is an illegal character.
|
invalidReason.append(ERR_SCHEMANAME_ILLEGAL_CHAR.get(
|
element, c, startPos));
|
return false;
|
}
|
|
|
// If we've gotten here, then the value is fine.
|
return true;
|
}
|
|
|
|
/**
|
* Indicates whether the provided TCP address is already in use.
|
*
|
* @param address IP address of the TCP address for which to make
|
* the determination.
|
* @param port TCP port number of the TCP address for which to
|
* make the determination.
|
* @param allowReuse Whether or not TCP address reuse is allowed when
|
* making the determination.
|
*
|
* @return <CODE>true</CODE> if the provided TCP address is already in
|
* use, or <CODE>false</CODE> otherwise.
|
*/
|
public static boolean isAddressInUse(
|
InetAddress address, int port,
|
boolean allowReuse)
|
{
|
// Return pessimistic.
|
boolean isInUse = true;
|
Socket clientSocket = null;
|
ServerSocket serverSocket = null;
|
try {
|
// HACK:
|
// With dual stacks we can have a situation when INADDR_ANY/PORT
|
// is bound in TCP4 space but available in TCP6 space and since
|
// JavaServerSocket implemantation will always use TCP46 on dual
|
// stacks the bind below will always succeed in such cases thus
|
// shadowing anything that is already bound to INADDR_ANY/PORT.
|
// While technically correct, with IPv4 and IPv6 being separate
|
// address spaces, it presents a problem to end users because a
|
// common case scenario is to have a single service serving both
|
// address spaces ie listening to the same port in both spaces
|
// on wildcard addresses 0 and ::. ServerSocket implemantation
|
// does not provide any means of working with each address space
|
// separately such as doing TCP4 or TCP6 only binds thus we have
|
// to do a dummy connect to INADDR_ANY/PORT to check if it is
|
// bound to something already. This is only needed for wildcard
|
// addresses as specific IPv4 or IPv6 addresses will always be
|
// handled in their respective address space.
|
if (address.isAnyLocalAddress()) {
|
clientSocket = new Socket();
|
try {
|
// This might fail on some stacks but this is the best we
|
// can do. No need for explicit timeout since it is local
|
// address and we have to know for sure unless it fails.
|
clientSocket.connect(new InetSocketAddress(address, port));
|
} catch (IOException e) {
|
// Expected, ignore.
|
}
|
if (clientSocket.isConnected()) {
|
return true;
|
}
|
}
|
serverSocket = new ServerSocket();
|
serverSocket.setReuseAddress(allowReuse);
|
serverSocket.bind(new InetSocketAddress(address, port));
|
isInUse = false;
|
} catch (IOException e) {
|
isInUse = true;
|
} finally {
|
try {
|
if (serverSocket != null) {
|
serverSocket.close();
|
}
|
} catch (Exception e) {}
|
try {
|
if (clientSocket != null) {
|
clientSocket.close();
|
}
|
} catch (Exception e) {}
|
}
|
return isInUse;
|
}
|
|
|
|
/**
|
* Returns a lower-case string representation of a given string, verifying for null input string.
|
* {@see com.forgerock.opendj.util.StaticUtils#toLowerCase(String s)}
|
*
|
* @param s the mixed case string
|
* @return a lower-case string
|
*/
|
public static String toLowerCase(String s)
|
{
|
return (s == null ? null : com.forgerock.opendj.util.StaticUtils.toLowerCase(s));
|
}
|
|
/**
|
* Appends a lower-case string representation of a given ByteSequence to a StringBuilder,
|
* verifying for null input.
|
* {@see com.forgerock.opendj.util.StaticUtils#toLowerCase(ByteSequence s, StringBuilder string)}
|
*
|
* @param b The byte array for which to obtain the lowercase string
|
* representation.
|
* @param buffer The buffer to which the lowercase form of the string should
|
* be appended.
|
* @param trim Indicates whether leading and trailing spaces should be
|
* omitted from the string representation.
|
*/
|
public static void toLowerCase(ByteSequence b, StringBuilder buffer, boolean trim)
|
{
|
if (b == null)
|
{
|
return;
|
}
|
|
if (trim)
|
{
|
int begin = 0;
|
int end = b.length() - 1;
|
while (begin <= end)
|
{
|
if (b.byteAt(begin) == ' ')
|
{
|
begin++;
|
}
|
else if (b.byteAt(end) == ' ')
|
{
|
end--;
|
}
|
else
|
{
|
break;
|
}
|
}
|
if (begin > 0 || end < b.length() - 1)
|
{
|
b = b.subSequence(begin, end + 1);
|
}
|
}
|
|
com.forgerock.opendj.util.StaticUtils.toLowerCase(b, buffer);
|
}
|
|
|
|
/**
|
* Retrieves an uppercase representation of the given string. This
|
* implementation presumes that the provided string will contain only ASCII
|
* characters and is optimized for that case. However, if a non-ASCII
|
* character is encountered it will fall back on a more expensive algorithm
|
* that will work properly for non-ASCII characters.
|
*
|
* @param s The string for which to obtain the uppercase representation.
|
*
|
* @return The uppercase representation of the given string.
|
*/
|
public static String toUpperCase(String s)
|
{
|
if (s == null)
|
{
|
return null;
|
}
|
|
StringBuilder buffer = new StringBuilder(s.length());
|
toUpperCase(s, buffer);
|
return buffer.toString();
|
}
|
|
|
|
/**
|
* Appends an uppercase representation of the given string to the provided
|
* buffer. This implementation presumes that the provided string will contain
|
* only ASCII characters and is optimized for that case. However, if a
|
* non-ASCII character is encountered it will fall back on a more expensive
|
* algorithm that will work properly for non-ASCII characters.
|
*
|
* @param s The string for which to obtain the uppercase
|
* representation.
|
* @param buffer The buffer to which the uppercase form of the string should
|
* be appended.
|
*/
|
public static void toUpperCase(String s, StringBuilder buffer)
|
{
|
if (s == null)
|
{
|
return;
|
}
|
|
int length = s.length();
|
for (int i=0; i < length; i++)
|
{
|
char c = s.charAt(i);
|
|
if ((c & 0x7F) != c)
|
{
|
buffer.append(s.substring(i).toUpperCase());
|
return;
|
}
|
|
switch (c)
|
{
|
case 'a':
|
buffer.append('A');
|
break;
|
case 'b':
|
buffer.append('B');
|
break;
|
case 'c':
|
buffer.append('C');
|
break;
|
case 'd':
|
buffer.append('D');
|
break;
|
case 'e':
|
buffer.append('E');
|
break;
|
case 'f':
|
buffer.append('F');
|
break;
|
case 'g':
|
buffer.append('G');
|
break;
|
case 'h':
|
buffer.append('H');
|
break;
|
case 'i':
|
buffer.append('I');
|
break;
|
case 'j':
|
buffer.append('J');
|
break;
|
case 'k':
|
buffer.append('K');
|
break;
|
case 'l':
|
buffer.append('L');
|
break;
|
case 'm':
|
buffer.append('M');
|
break;
|
case 'n':
|
buffer.append('N');
|
break;
|
case 'o':
|
buffer.append('O');
|
break;
|
case 'p':
|
buffer.append('P');
|
break;
|
case 'q':
|
buffer.append('Q');
|
break;
|
case 'r':
|
buffer.append('R');
|
break;
|
case 's':
|
buffer.append('S');
|
break;
|
case 't':
|
buffer.append('T');
|
break;
|
case 'u':
|
buffer.append('U');
|
break;
|
case 'v':
|
buffer.append('V');
|
break;
|
case 'w':
|
buffer.append('W');
|
break;
|
case 'x':
|
buffer.append('X');
|
break;
|
case 'y':
|
buffer.append('Y');
|
break;
|
case 'z':
|
buffer.append('Z');
|
break;
|
default:
|
buffer.append(c);
|
}
|
}
|
}
|
|
|
|
/**
|
* Appends an uppercase string representation of the contents of the given
|
* byte array to the provided buffer, optionally trimming leading and trailing
|
* spaces. This implementation presumes that the provided string will contain
|
* only ASCII characters and is optimized for that case. However, if a
|
* non-ASCII character is encountered it will fall back on a more expensive
|
* algorithm that will work properly for non-ASCII characters.
|
*
|
* @param b The byte array for which to obtain the uppercase string
|
* representation.
|
* @param buffer The buffer to which the uppercase form of the string should
|
* be appended.
|
* @param trim Indicates whether leading and trailing spaces should be
|
* omitted from the string representation.
|
*/
|
public static void toUpperCase(byte[] b, StringBuilder buffer, boolean trim)
|
{
|
if (b == null)
|
{
|
return;
|
}
|
|
int length = b.length;
|
for (int i=0; i < length; i++)
|
{
|
if ((b[i] & 0x7F) != b[i])
|
{
|
try
|
{
|
buffer.append(new String(b, i, (length-i), "UTF-8").toUpperCase());
|
}
|
catch (Exception e)
|
{
|
logger.traceException(e);
|
buffer.append(new String(b, i, (length - i)).toUpperCase());
|
}
|
break;
|
}
|
|
int bufferLength = buffer.length();
|
switch (b[i])
|
{
|
case ' ':
|
// If we don't care about trimming, then we can always append the
|
// space. Otherwise, only do so if there are other characters in the value.
|
if (trim && bufferLength == 0)
|
{
|
break;
|
}
|
|
buffer.append(' ');
|
break;
|
case 'a':
|
buffer.append('A');
|
break;
|
case 'b':
|
buffer.append('B');
|
break;
|
case 'c':
|
buffer.append('C');
|
break;
|
case 'd':
|
buffer.append('D');
|
break;
|
case 'e':
|
buffer.append('E');
|
break;
|
case 'f':
|
buffer.append('F');
|
break;
|
case 'g':
|
buffer.append('G');
|
break;
|
case 'h':
|
buffer.append('H');
|
break;
|
case 'i':
|
buffer.append('I');
|
break;
|
case 'j':
|
buffer.append('J');
|
break;
|
case 'k':
|
buffer.append('K');
|
break;
|
case 'l':
|
buffer.append('L');
|
break;
|
case 'm':
|
buffer.append('M');
|
break;
|
case 'n':
|
buffer.append('N');
|
break;
|
case 'o':
|
buffer.append('O');
|
break;
|
case 'p':
|
buffer.append('P');
|
break;
|
case 'q':
|
buffer.append('Q');
|
break;
|
case 'r':
|
buffer.append('R');
|
break;
|
case 's':
|
buffer.append('S');
|
break;
|
case 't':
|
buffer.append('T');
|
break;
|
case 'u':
|
buffer.append('U');
|
break;
|
case 'v':
|
buffer.append('V');
|
break;
|
case 'w':
|
buffer.append('W');
|
break;
|
case 'x':
|
buffer.append('X');
|
break;
|
case 'y':
|
buffer.append('Y');
|
break;
|
case 'z':
|
buffer.append('Z');
|
break;
|
default:
|
buffer.append((char) b[i]);
|
}
|
}
|
|
if (trim)
|
{
|
// Strip off any trailing spaces.
|
for (int i=buffer.length()-1; i > 0; i--)
|
{
|
if (buffer.charAt(i) == ' ')
|
{
|
buffer.delete(i, i+1);
|
}
|
else
|
{
|
break;
|
}
|
}
|
}
|
}
|
|
|
|
/**
|
* Append a string to a string builder, escaping any double quotes
|
* according to the StringValue production in RFC 3641.
|
* <p>
|
* In RFC 3641 the StringValue production looks like this:
|
*
|
* <pre>
|
* StringValue = dquote *SafeUTF8Character dquote
|
* dquote = %x22 ; " (double quote)
|
* SafeUTF8Character = %x00-21 / %x23-7F / ; ASCII minus dquote
|
* dquote dquote / ; escaped double quote
|
* %xC0-DF %x80-BF / ; 2 byte UTF-8 character
|
* %xE0-EF 2(%x80-BF) / ; 3 byte UTF-8 character
|
* %xF0-F7 3(%x80-BF) ; 4 byte UTF-8 character
|
* </pre>
|
*
|
* <p>
|
* That is, strings are surrounded by double-quotes and any internal
|
* double-quotes are doubled up.
|
*
|
* @param builder
|
* The string builder.
|
* @param string
|
* The string to escape and append.
|
* @return Returns the string builder.
|
*/
|
public static StringBuilder toRFC3641StringValue(StringBuilder builder,
|
String string)
|
{
|
// Initial double-quote.
|
builder.append('"');
|
|
for (char c : string.toCharArray())
|
{
|
if (c == '"')
|
{
|
// Internal double-quotes are escaped using a double-quote.
|
builder.append('"');
|
}
|
builder.append(c);
|
}
|
|
// Trailing double-quote.
|
builder.append('"');
|
|
return builder;
|
}
|
|
|
|
/**
|
* Retrieves a string array containing the contents of the provided
|
* list of strings.
|
*
|
* @param stringList
|
* The string list to convert to an array.
|
* @return A string array containing the contents of the provided list
|
* of strings.
|
*/
|
public static String[] listToArray(List<String> stringList)
|
{
|
if (stringList == null)
|
{
|
return null;
|
}
|
|
String[] stringArray = new String[stringList.size()];
|
stringList.toArray(stringArray);
|
return stringArray;
|
}
|
|
/**
|
* Retrieves an array list containing the contents of the provided array.
|
*
|
* @param stringArray The string array to convert to an array list.
|
*
|
* @return An array list containing the contents of the provided array.
|
*/
|
public static ArrayList<String> arrayToList(String... stringArray)
|
{
|
if (stringArray == null)
|
{
|
return null;
|
}
|
|
ArrayList<String> stringList = new ArrayList<>(stringArray.length);
|
Collections.addAll(stringList, stringArray);
|
return stringList;
|
}
|
|
|
/**
|
* Attempts to delete the specified file or directory. If it is a directory,
|
* then any files or subdirectories that it contains will be recursively
|
* deleted as well.
|
*
|
* @param file
|
* The file or directory to be removed.
|
* @return {@code true} if the specified file and any subordinates are all
|
* successfully removed, or {@code false} if at least one element in
|
* the subtree could not be removed or file does not exists.
|
*/
|
public static boolean recursiveDelete(File file)
|
{
|
if (file.exists())
|
{
|
boolean successful = true;
|
if (file.isDirectory())
|
{
|
File[] childList = file.listFiles();
|
if (childList != null)
|
{
|
for (File f : childList)
|
{
|
successful &= recursiveDelete(f);
|
}
|
}
|
}
|
|
return successful & file.delete();
|
}
|
return false;
|
}
|
|
|
|
/**
|
* Moves the indicated file to the specified directory by creating a new file
|
* in the target directory, copying the contents of the existing file, and
|
* removing the existing file. The file to move must exist and must be a
|
* file. The target directory must exist, must be a directory, and must not
|
* be the directory in which the file currently resides.
|
*
|
* @param fileToMove The file to move to the target directory.
|
* @param targetDirectory The directory into which the file should be moved.
|
*
|
* @throws IOException If a problem occurs while attempting to move the
|
* file.
|
*/
|
public static void moveFile(File fileToMove, File targetDirectory)
|
throws IOException
|
{
|
if (! fileToMove.exists())
|
{
|
LocalizableMessage message = ERR_MOVEFILE_NO_SUCH_FILE.get(fileToMove.getPath());
|
throw new IOException(message.toString());
|
}
|
|
if (! fileToMove.isFile())
|
{
|
LocalizableMessage message = ERR_MOVEFILE_NOT_FILE.get(fileToMove.getPath());
|
throw new IOException(message.toString());
|
}
|
|
if (! targetDirectory.exists())
|
{
|
LocalizableMessage message =
|
ERR_MOVEFILE_NO_SUCH_DIRECTORY.get(targetDirectory.getPath());
|
throw new IOException(message.toString());
|
}
|
|
if (! targetDirectory.isDirectory())
|
{
|
LocalizableMessage message =
|
ERR_MOVEFILE_NOT_DIRECTORY.get(targetDirectory.getPath());
|
throw new IOException(message.toString());
|
}
|
|
String newFilePath = targetDirectory.getPath() + File.separator +
|
fileToMove.getName();
|
FileInputStream inputStream = new FileInputStream(fileToMove);
|
FileOutputStream outputStream = new FileOutputStream(newFilePath, false);
|
byte[] buffer = new byte[8192];
|
while (true)
|
{
|
int bytesRead = inputStream.read(buffer);
|
if (bytesRead < 0)
|
{
|
break;
|
}
|
|
outputStream.write(buffer, 0, bytesRead);
|
}
|
|
outputStream.flush();
|
outputStream.close();
|
inputStream.close();
|
fileToMove.delete();
|
}
|
|
/**
|
* Renames the source file to the target file. If the target file exists
|
* it is first deleted. The rename and delete operation return values
|
* are checked for success and if unsuccessful, this method throws an
|
* exception.
|
*
|
* @param fileToRename The file to rename.
|
* @param target The file to which <code>fileToRename</code> will be
|
* moved.
|
* @throws IOException If a problem occurs while attempting to rename the
|
* file. On the Windows platform, this typically
|
* indicates that the file is in use by this or another
|
* application.
|
*/
|
public static void renameFile(File fileToRename, File target)
|
throws IOException {
|
if (fileToRename != null && target != null)
|
{
|
synchronized(target)
|
{
|
if (target.exists() && !target.delete())
|
{
|
LocalizableMessage message =
|
ERR_RENAMEFILE_CANNOT_DELETE_TARGET.get(target.getPath());
|
throw new IOException(message.toString());
|
}
|
}
|
if (!fileToRename.renameTo(target))
|
{
|
LocalizableMessage message = ERR_RENAMEFILE_CANNOT_RENAME.get(
|
fileToRename.getPath(), target.getPath());
|
throw new IOException(message.toString());
|
|
}
|
}
|
}
|
|
|
/**
|
* Indicates whether the provided path refers to a relative path rather than
|
* an absolute path.
|
*
|
* @param path The path string for which to make the determination.
|
*
|
* @return <CODE>true</CODE> if the provided path is relative, or
|
* <CODE>false</CODE> if it is absolute.
|
*/
|
public static boolean isRelativePath(String path)
|
{
|
File f = new File(path);
|
return !f.isAbsolute();
|
}
|
|
|
|
/**
|
* Retrieves a <CODE>File</CODE> object corresponding to the specified path.
|
* If the given path is an absolute path, then it will be used. If the path
|
* is relative, then it will be interpreted as if it were relative to the
|
* Directory Server root.
|
*
|
* @param path The path string to be retrieved as a <CODE>File</CODE>
|
*
|
* @return A <CODE>File</CODE> object that corresponds to the specified path.
|
*/
|
public static File getFileForPath(String path)
|
{
|
File f = new File (path);
|
|
if (f.isAbsolute())
|
{
|
return f;
|
}
|
else
|
{
|
return new File(DirectoryServer.getInstanceRoot() + File.separator +
|
path);
|
}
|
}
|
|
/**
|
* Retrieves a <CODE>File</CODE> object corresponding to the specified path.
|
* If the given path is an absolute path, then it will be used. If the path
|
* is relative, then it will be interpreted as if it were relative to the
|
* Directory Server root.
|
*
|
* @param path
|
* The path string to be retrieved as a <CODE>File</CODE>.
|
* @param serverContext
|
* The server context.
|
*
|
* @return A <CODE>File</CODE> object that corresponds to the specified path.
|
*/
|
public static File getFileForPath(String path, ServerContext serverContext)
|
{
|
File f = new File (path);
|
|
if (f.isAbsolute())
|
{
|
return f;
|
}
|
else
|
{
|
return new File(serverContext.getInstanceRoot() + File.separator +
|
path);
|
}
|
}
|
|
|
|
/**
|
* Creates a new, blank entry with the given DN. It will contain only the
|
* attribute(s) contained in the RDN. The choice of objectclasses will be
|
* based on the RDN attribute. If there is a single RDN attribute, then the
|
* following mapping will be used:
|
* <BR>
|
* <UL>
|
* <LI>c attribute :: country objectclass</LI>
|
* <LI>dc attribute :: domain objectclass</LI>
|
* <LI>o attribute :: organization objectclass</LI>
|
* <LI>ou attribute :: organizationalUnit objectclass</LI>
|
* </UL>
|
* <BR>
|
* Any other single RDN attribute types, or any case in which there are
|
* multiple RDN attributes, will use the untypedObject objectclass. If the
|
* RDN includes one or more attributes that are not allowed in the
|
* untypedObject objectclass, then the extensibleObject class will also be
|
* added. Note that this method cannot be used to generate an entry
|
* with an empty or null DN.
|
*
|
* @param dn The DN to use for the entry.
|
*
|
* @return The entry created with the provided DN.
|
*/
|
public static Entry createEntry(DN dn)
|
{
|
// If the provided DN was null or empty, then return null because we don't
|
// support it.
|
if (dn == null || dn.isRootDN())
|
{
|
return null;
|
}
|
|
|
// Get the information about the RDN attributes.
|
RDN rdn = dn.rdn();
|
int numAVAs = rdn.getNumValues();
|
|
// If there is only one RDN attribute, then see which objectclass we should use.
|
ObjectClass structuralClass = DirectoryServer.getObjectClass(getObjectClassName(rdn, numAVAs));
|
|
// Get the top and untypedObject classes to include in the entry.
|
LinkedHashMap<ObjectClass,String> objectClasses = new LinkedHashMap<>(3);
|
|
objectClasses.put(DirectoryServer.getTopObjectClass(), OC_TOP);
|
objectClasses.put(structuralClass, structuralClass.getNameOrOID());
|
|
|
// Iterate through the RDN attributes and add them to the set of user or
|
// operational attributes.
|
LinkedHashMap<AttributeType,List<Attribute>> userAttributes = new LinkedHashMap<>();
|
LinkedHashMap<AttributeType,List<Attribute>> operationalAttributes = new LinkedHashMap<>();
|
|
boolean extensibleObjectAdded = false;
|
for (int i=0; i < numAVAs; i++)
|
{
|
AttributeType attrType = rdn.getAttributeType(i);
|
ByteString attrValue = rdn.getAttributeValue(i);
|
String attrName = rdn.getAttributeName(i);
|
|
// First, see if this type is allowed by the untypedObject class. If not,
|
// then we'll need to include the extensibleObject class.
|
if (!structuralClass.isRequiredOrOptional(attrType) && !extensibleObjectAdded)
|
{
|
ObjectClass extensibleObjectOC =
|
DirectoryServer.getObjectClass(OC_EXTENSIBLE_OBJECT_LC);
|
if (extensibleObjectOC == null)
|
{
|
extensibleObjectOC =
|
DirectoryServer.getDefaultObjectClass(OC_EXTENSIBLE_OBJECT);
|
}
|
objectClasses.put(extensibleObjectOC, OC_EXTENSIBLE_OBJECT);
|
extensibleObjectAdded = true;
|
}
|
|
|
// Create the attribute and add it to the appropriate map.
|
if (attrType.isOperational())
|
{
|
addAttributeValue(operationalAttributes, attrType, attrName, attrValue);
|
}
|
else
|
{
|
addAttributeValue(userAttributes, attrType, attrName, attrValue);
|
}
|
}
|
|
|
// Create and return the entry.
|
return new Entry(dn, objectClasses, userAttributes, operationalAttributes);
|
}
|
|
private static String getObjectClassName(RDN rdn, int numAVAs)
|
{
|
if (numAVAs == 1)
|
{
|
final AttributeType attrType = rdn.getAttributeType(0);
|
if (attrType.hasName(ATTR_C))
|
{
|
return OC_COUNTRY;
|
}
|
else if (attrType.hasName(ATTR_DC))
|
{
|
return OC_DOMAIN;
|
}
|
else if (attrType.hasName(ATTR_O))
|
{
|
return OC_ORGANIZATION;
|
}
|
else if (attrType.hasName(ATTR_OU))
|
{
|
return OC_ORGANIZATIONAL_UNIT_LC;
|
}
|
}
|
return OC_UNTYPED_OBJECT_LC;
|
}
|
|
private static void addAttributeValue(LinkedHashMap<AttributeType, List<Attribute>> attrs,
|
AttributeType attrType, String attrName, ByteString attrValue)
|
{
|
List<Attribute> attrList = attrs.get(attrType);
|
if (attrList != null && !attrList.isEmpty())
|
{
|
AttributeBuilder builder = new AttributeBuilder(attrList.get(0));
|
builder.add(attrValue);
|
attrList.set(0, builder.toAttribute());
|
}
|
else
|
{
|
AttributeBuilder builder = new AttributeBuilder(attrType, attrName);
|
builder.add(attrValue);
|
attrs.put(attrType, builder.toAttributeList());
|
}
|
}
|
|
/**
|
* Retrieves a user-friendly string that indicates the length of time (in
|
* days, hours, minutes, and seconds) in the specified number of seconds.
|
*
|
* @param numSeconds The number of seconds to be converted to a more
|
* user-friendly value.
|
*
|
* @return The user-friendly representation of the specified number of
|
* seconds.
|
*/
|
public static LocalizableMessage secondsToTimeString(long numSeconds)
|
{
|
if (numSeconds < 60)
|
{
|
// We can express it in seconds.
|
return INFO_TIME_IN_SECONDS.get(numSeconds);
|
}
|
else if (numSeconds < 3600)
|
{
|
// We can express it in minutes and seconds.
|
long m = numSeconds / 60;
|
long s = numSeconds % 60;
|
return INFO_TIME_IN_MINUTES_SECONDS.get(m, s);
|
}
|
else if (numSeconds < 86400)
|
{
|
// We can express it in hours, minutes, and seconds.
|
long h = numSeconds / 3600;
|
long m = (numSeconds % 3600) / 60;
|
long s = numSeconds % 3600 % 60;
|
return INFO_TIME_IN_HOURS_MINUTES_SECONDS.get(h, m, s);
|
}
|
else
|
{
|
// We can express it in days, hours, minutes, and seconds.
|
long d = numSeconds / 86400;
|
long h = (numSeconds % 86400) / 3600;
|
long m = (numSeconds % 86400 % 3600) / 60;
|
long s = numSeconds % 86400 % 3600 % 60;
|
return INFO_TIME_IN_DAYS_HOURS_MINUTES_SECONDS.get(d, h, m, s);
|
}
|
}
|
|
/**
|
* Checks that no more that one of a set of arguments is present. This
|
* utility should be used after argument parser has parsed a set of
|
* arguments.
|
*
|
* @param args to test for the presence of more than one
|
* @throws ArgumentException if more than one of <code>args</code> is
|
* present and containing an error message identifying the
|
* arguments in violation
|
*/
|
public static void checkOnlyOneArgPresent(Argument... args)
|
throws ArgumentException
|
{
|
if (args != null) {
|
for (Argument arg : args) {
|
for (Argument otherArg : args) {
|
if (arg != otherArg && arg.isPresent() && otherArg.isPresent()) {
|
throw new ArgumentException(
|
ToolMessages.ERR_INCOMPATIBLE_ARGUMENTS.get(
|
arg.getName(), otherArg.getName()));
|
}
|
}
|
}
|
}
|
}
|
|
/**
|
* Converts a string representing a time in "yyyyMMddHHmmss.SSS'Z'" or
|
* "yyyyMMddHHmmss" to a <code>Date</code>.
|
*
|
* @param timeStr string formatted appropriately
|
* @return Date object; null if <code>timeStr</code> is null
|
* @throws ParseException if there was a problem converting the string to
|
* a <code>Date</code>.
|
*/
|
public static Date parseDateTimeString(String timeStr) throws ParseException
|
{
|
Date dateTime = null;
|
if (timeStr != null)
|
{
|
if (timeStr.endsWith("Z"))
|
{
|
try
|
{
|
SimpleDateFormat dateFormat =
|
new SimpleDateFormat(DATE_FORMAT_GENERALIZED_TIME);
|
dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
|
dateFormat.setLenient(true);
|
dateTime = dateFormat.parse(timeStr);
|
}
|
catch (ParseException pe)
|
{
|
// Best effort: try with GMT time.
|
SimpleDateFormat dateFormat =
|
new SimpleDateFormat(DATE_FORMAT_GMT_TIME);
|
dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
|
dateFormat.setLenient(true);
|
dateTime = dateFormat.parse(timeStr);
|
}
|
}
|
else
|
{
|
SimpleDateFormat dateFormat =
|
new SimpleDateFormat(DATE_FORMAT_COMPACT_LOCAL_TIME);
|
dateFormat.setLenient(true);
|
dateTime = dateFormat.parse(timeStr);
|
}
|
}
|
return dateTime;
|
}
|
|
/**
|
* Formats a Date to String representation in "yyyyMMddHHmmss'Z'".
|
*
|
* @param date to format; null if <code>date</code> is null
|
* @return string representation of the date
|
*/
|
public static String formatDateTimeString(Date date)
|
{
|
String timeStr = null;
|
if (date != null)
|
{
|
SimpleDateFormat dateFormat = new SimpleDateFormat(DATE_FORMAT_GMT_TIME);
|
dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
|
timeStr = dateFormat.format(date);
|
}
|
return timeStr;
|
}
|
|
/**
|
* Indicates whether or not a string represents a syntactically correct
|
* email address.
|
*
|
* @param addr to validate
|
* @return boolean where <code>true</code> indicates that the string is a
|
* syntactically correct email address
|
*/
|
public static boolean isEmailAddress(String addr) {
|
|
// This just does basic syntax checking. Perhaps we
|
// might want to be stricter about this.
|
return addr != null && addr.contains("@") && addr.contains(".");
|
|
}
|
|
|
|
/**
|
* Writes the contents of the provided buffer to the client,
|
* terminating the connection if the write is unsuccessful for too
|
* long (e.g., if the client is unresponsive or there is a network
|
* problem). If possible, it will attempt to use the selector returned
|
* by the {@code ClientConnection.getWriteSelector} method, but it is
|
* capable of working even if that method returns {@code null}. <BR>
|
*
|
* Note that the original position and limit values will not be
|
* preserved, so if that is important to the caller, then it should
|
* record them before calling this method and restore them after it
|
* returns.
|
*
|
* @param clientConnection
|
* The client connection to which the data is to be written.
|
* @param buffer
|
* The data to be written to the client.
|
* @return <CODE>true</CODE> if all the data in the provided buffer was
|
* written to the client and the connection may remain
|
* established, or <CODE>false</CODE> if a problem occurred
|
* and the client connection is no longer valid. Note that if
|
* this method does return <CODE>false</CODE>, then it must
|
* have already disconnected the client.
|
* @throws IOException
|
* If a problem occurs while attempting to write data to the
|
* client. The caller will be responsible for catching this
|
* and terminating the client connection.
|
*/
|
public static boolean writeWithTimeout(ClientConnection clientConnection,
|
ByteBuffer buffer) throws IOException
|
{
|
SocketChannel socketChannel = clientConnection.getSocketChannel();
|
long startTime = System.currentTimeMillis();
|
long waitTime = clientConnection.getMaxBlockedWriteTimeLimit();
|
if (waitTime <= 0)
|
{
|
// We won't support an infinite time limit, so fall back to using
|
// five minutes, which is a very long timeout given that we're
|
// blocking a worker thread.
|
waitTime = 300000L;
|
}
|
|
long stopTime = startTime + waitTime;
|
|
Selector selector = clientConnection.getWriteSelector();
|
if (selector == null)
|
{
|
// The client connection does not provide a selector, so we'll
|
// fall back
|
// to a more inefficient way that will work without a selector.
|
while (buffer.hasRemaining()
|
&& System.currentTimeMillis() < stopTime)
|
{
|
if (socketChannel.write(buffer) < 0)
|
{
|
// The client connection has been closed.
|
return false;
|
}
|
}
|
|
if (buffer.hasRemaining())
|
{
|
// If we've gotten here, then the write timed out.
|
return false;
|
}
|
|
return true;
|
}
|
|
// Register with the selector for handling write operations.
|
SelectionKey key =
|
socketChannel.register(selector, SelectionKey.OP_WRITE);
|
|
try
|
{
|
selector.select(waitTime);
|
while (buffer.hasRemaining())
|
{
|
long currentTime = System.currentTimeMillis();
|
if (currentTime >= stopTime)
|
{
|
// We've been blocked for too long.
|
return false;
|
}
|
else
|
{
|
waitTime = stopTime - currentTime;
|
}
|
|
Iterator<SelectionKey> iterator =
|
selector.selectedKeys().iterator();
|
while (iterator.hasNext())
|
{
|
SelectionKey k = iterator.next();
|
if (k.isWritable())
|
{
|
int bytesWritten = socketChannel.write(buffer);
|
if (bytesWritten < 0)
|
{
|
// The client connection has been closed.
|
return false;
|
}
|
|
iterator.remove();
|
}
|
}
|
|
if (buffer.hasRemaining())
|
{
|
selector.select(waitTime);
|
}
|
}
|
|
return true;
|
}
|
finally
|
{
|
if (key.isValid())
|
{
|
key.cancel();
|
selector.selectNow();
|
}
|
}
|
}
|
|
|
|
/**
|
* Add all of the superior objectclasses to the specified objectclass
|
* map if they don't already exist. Used by add and import-ldif to
|
* add missing superior objectclasses to entries that don't have them.
|
*
|
* @param objectClasses A Map of objectclasses.
|
*/
|
public static void addSuperiorObjectClasses(Map<ObjectClass,
|
String> objectClasses) {
|
HashSet<ObjectClass> additionalClasses = null;
|
for (ObjectClass oc : objectClasses.keySet())
|
{
|
for(ObjectClass superiorClass : oc.getSuperiorClasses())
|
{
|
if (! objectClasses.containsKey(superiorClass))
|
{
|
if (additionalClasses == null)
|
{
|
additionalClasses = new HashSet<>();
|
}
|
|
additionalClasses.add(superiorClass);
|
}
|
}
|
}
|
|
if (additionalClasses != null)
|
{
|
for (ObjectClass oc : additionalClasses)
|
{
|
addObjectClassChain(oc, objectClasses);
|
}
|
}
|
}
|
|
private static void addObjectClassChain(ObjectClass objectClass,
|
Map<ObjectClass, String> objectClasses)
|
{
|
if (objectClasses != null){
|
if (! objectClasses.containsKey(objectClass))
|
{
|
objectClasses.put(objectClass, objectClass.getNameOrOID());
|
}
|
|
for(ObjectClass superiorClass : objectClass.getSuperiorClasses())
|
{
|
if (! objectClasses.containsKey(superiorClass))
|
{
|
addObjectClassChain(superiorClass, objectClasses);
|
}
|
}
|
}
|
}
|
|
|
/**
|
* Closes the provided {@link Closeable}'s ignoring any errors which
|
* occurred.
|
*
|
* @param closeables The closeables to be closed, which may be
|
* <code>null</code>.
|
*/
|
public static void close(Closeable... closeables)
|
{
|
if (closeables == null)
|
{
|
return;
|
}
|
close(Arrays.asList(closeables));
|
}
|
|
/**
|
* Closes the provided {@link Closeable}'s ignoring any errors which occurred.
|
*
|
* @param closeables
|
* The closeables to be closed, which may be <code>null</code>.
|
*/
|
public static void close(Collection<? extends Closeable> closeables)
|
{
|
if (closeables == null)
|
{
|
return;
|
}
|
for (Closeable closeable : closeables)
|
{
|
if (closeable != null)
|
{
|
try
|
{
|
closeable.close();
|
}
|
catch (IOException ignored)
|
{
|
logger.traceException(ignored);
|
}
|
}
|
}
|
}
|
|
/**
|
* Closes the provided {@link InitialContext}s ignoring any errors which occurred.
|
*
|
* @param ctxs
|
* The contexts to be closed, which may be <code>null</code>.
|
*/
|
public static void close(InitialContext... ctxs)
|
{
|
if (ctxs == null)
|
{
|
return;
|
}
|
for (InitialContext ctx : ctxs)
|
{
|
if (ctx != null)
|
{
|
try
|
{
|
ctx.close();
|
}
|
catch (NamingException ignored)
|
{
|
// ignore
|
}
|
}
|
}
|
}
|
|
/**
|
* Calls {@link Thread#sleep(long)}, surrounding it with the mandatory
|
* <code>try</code> / <code>catch(InterruptedException)</code> block.
|
*
|
* @param millis
|
* the length of time to sleep in milliseconds
|
*/
|
public static void sleep(long millis)
|
{
|
try
|
{
|
Thread.sleep(millis);
|
}
|
catch (InterruptedException wokenUp)
|
{
|
// ignore
|
}
|
}
|
|
/**
|
* Test if the provided message corresponds to the provided descriptor.
|
*
|
* @param msg
|
* The i18n message.
|
* @param desc
|
* The message descriptor.
|
* @return {@code true} if message corresponds to descriptor
|
*/
|
public static boolean hasDescriptor(LocalizableMessage msg,
|
LocalizableMessageDescriptor.Arg0 desc)
|
{
|
return msg.ordinal() == desc.ordinal()
|
&& msg.resourceName().equals(desc.resourceName());
|
}
|
|
/**
|
* Test if the provided message corresponds to the provided descriptor.
|
*
|
* @param msg
|
* The i18n message.
|
* @param desc
|
* The message descriptor.
|
* @return {@code true} if message corresponds to descriptor
|
*/
|
public static boolean hasDescriptor(LocalizableMessage msg,
|
LocalizableMessageDescriptor.Arg1 desc)
|
{
|
return msg.ordinal() == desc.ordinal()
|
&& msg.resourceName().equals(desc.resourceName());
|
}
|
|
/**
|
* Test if the provided message corresponds to the provided descriptor.
|
*
|
* @param msg
|
* The i18n message.
|
* @param desc
|
* The message descriptor.
|
* @return {@code true} if message corresponds to descriptor
|
*/
|
public static boolean hasDescriptor(LocalizableMessage msg,
|
LocalizableMessageDescriptor.Arg2 desc)
|
{
|
return msg.ordinal() == desc.ordinal()
|
&& msg.resourceName().equals(desc.resourceName());
|
}
|
|
/**
|
* Test if the provided message corresponds to the provided descriptor.
|
*
|
* @param msg
|
* The i18n message.
|
* @param desc
|
* The message descriptor.
|
* @return {@code true} if message corresponds to descriptor
|
*/
|
public static boolean hasDescriptor(LocalizableMessage msg,
|
LocalizableMessageDescriptor.Arg3 desc)
|
{
|
return msg.ordinal() == desc.ordinal()
|
&& msg.resourceName().equals(desc.resourceName());
|
}
|
|
/**
|
* Test if the provided message corresponds to the provided descriptor.
|
*
|
* @param msg
|
* The i18n message.
|
* @param desc
|
* The message descriptor.
|
* @return {@code true} if message corresponds to descriptor
|
*/
|
public static boolean hasDescriptor(LocalizableMessage msg,
|
LocalizableMessageDescriptor.Arg7 desc)
|
{
|
return msg.ordinal() == desc.ordinal()
|
&& msg.resourceName().equals(desc.resourceName());
|
}
|
|
/**
|
* Returns an {@link Iterable} returning the passed in {@link Iterator}. THis
|
* allows using methods returning Iterators with foreach statements.
|
* <p>
|
* For example, consider a method with this signature:
|
* <p>
|
* <code>public Iterator<String> myIteratorMethod();</code>
|
* <p>
|
* Classical use with for or while loop:
|
*
|
* <pre>
|
* for (Iterator<String> it = myIteratorMethod(); it.hasNext();)
|
* {
|
* String s = it.next();
|
* // use it
|
* }
|
*
|
* Iterator<String> it = myIteratorMethod();
|
* while(it.hasNext();)
|
* {
|
* String s = it.next();
|
* // use it
|
* }
|
* </pre>
|
*
|
* Improved use with foreach:
|
*
|
* <pre>
|
* for (String s : StaticUtils.toIterable(myIteratorMethod()))
|
* {
|
* }
|
* </pre>
|
*
|
* </p>
|
*
|
* @param <T>
|
* the generic type of the passed in Iterator and for the returned
|
* Iterable.
|
* @param iterator
|
* the Iterator that will be returned by the Iterable.
|
* @return an Iterable returning the passed in Iterator
|
*/
|
public static <T> Iterable<T> toIterable(final Iterator<T> iterator)
|
{
|
return new Iterable<T>()
|
{
|
@Override
|
public Iterator<T> iterator()
|
{
|
return iterator;
|
}
|
};
|
}
|
}
|
