/*
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* The contents of this file are subject to the terms of the Common Development and
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* Distribution License (the License). You may not use this file except in compliance with the
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* License.
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*
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* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
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* specific language governing permission and limitations under the License.
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*
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* When distributing Covered Software, include this CDDL Header Notice in each file and include
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* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
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* Header, with the fields enclosed by brackets [] replaced by your own identifying
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* information: "Portions Copyright [year] [name of copyright owner]".
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*
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* Copyright 2009 Sun Microsystems, Inc.
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* Portions Copyright 2014 ForgeRock AS.
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*/
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package org.opends.server.tools;
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import java.io.BufferedOutputStream;
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import java.io.Closeable;
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import java.io.IOException;
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import java.net.Socket;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import org.forgerock.opendj.io.ASN1;
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import org.forgerock.opendj.io.ASN1Writer;
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import org.forgerock.opendj.ldap.ByteString;
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import org.opends.server.protocols.ldap.LDAPMessage;
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import org.opends.server.types.RecordingOutputStream;
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import org.opends.server.util.ServerConstants;
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import org.opends.server.util.StaticUtils;
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/**
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* This class defines a utility that can be used to write LDAP messages over a
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* provided socket.
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*/
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public class LDAPWriter implements Closeable
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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private Socket socket;
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private ASN1Writer asn1Writer;
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private RecordingOutputStream debugOutputStream;
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/**
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* Creates a new LDAP writer that will write messages to the provided
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* socket and trace the messages using a provided tracer.
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*
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* @param socket The socket to use to write LDAP messages.
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*
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* @throws IOException If a problem occurs while attempting to obtain an
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* output stream for the socket.
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*/
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public LDAPWriter(Socket socket)
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throws IOException
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{
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this.socket = socket;
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this.debugOutputStream =
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new RecordingOutputStream(
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new BufferedOutputStream(socket.getOutputStream(), 4096));
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this.asn1Writer = ASN1.getWriter(debugOutputStream);
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}
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/**
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* Writes an LDAP message to the associated output stream.
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*
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* @param message The message to be written.
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*
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* @throws IOException If a problem occurs while trying to write the
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* information over the output stream.
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*/
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public void writeMessage(LDAPMessage message)
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throws IOException
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{
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if(logger.isTraceEnabled())
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{
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logger.trace(message.toString());
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debugOutputStream.setRecordingEnabled(true);
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}
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message.write(asn1Writer);
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asn1Writer.flush();
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if(debugOutputStream.isRecordingEnabled())
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{
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ByteString bytesRead = debugOutputStream.getRecordedBytes();
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debugOutputStream.clearRecordedBytes();
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logger.trace("bytes written to wire(len=" + bytesRead.length() + "):"
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+ ServerConstants.EOL + bytesRead.toHexPlusAsciiString(4));
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}
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}
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/**
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* Closes this LDAP writer and the underlying socket.
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*/
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@Override
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public void close()
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{
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StaticUtils.close(asn1Writer, debugOutputStream);
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StaticUtils.close(socket);
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}
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}
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