/*
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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
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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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
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying 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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* Portions Copyright 2006-2007 Sun Microsystems, Inc.
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*/
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package org.opends.server.schema;
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import java.util.Arrays;
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import org.opends.server.admin.std.server.EqualityMatchingRuleCfg;
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import org.opends.server.api.EqualityMatchingRule;
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import org.opends.server.config.ConfigException;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.protocols.asn1.ASN1OctetString;
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import org.opends.server.types.ByteString;
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import org.opends.server.types.DirectoryException;
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import org.opends.server.types.ErrorLogCategory;
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import org.opends.server.types.ErrorLogSeverity;
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import org.opends.server.types.InitializationException;
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import org.opends.server.types.ResultCode;
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import static org.opends.server.loggers.ErrorLogger.*;
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import static org.opends.server.messages.MessageHandler.*;
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import static org.opends.server.messages.SchemaMessages.*;
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import static org.opends.server.schema.SchemaConstants.*;
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/**
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* This class defines the integerMatch matching rule defined in X.520 and
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* referenced in RFC 2252.
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*/
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public class IntegerEqualityMatchingRule
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extends EqualityMatchingRule
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{
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/**
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* Creates a new instance of this integerMatch matching rule.
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*/
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public IntegerEqualityMatchingRule()
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{
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super();
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}
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/**
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* {@inheritDoc}
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*/
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public void initializeMatchingRule(EqualityMatchingRuleCfg configuration)
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throws ConfigException, InitializationException
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{
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// No initialization is required.
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}
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/**
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* Retrieves the common name for this matching rule.
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*
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* @return The common name for this matching rule, or <CODE>null</CODE> if
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* it does not have a name.
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*/
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public String getName()
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{
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return EMR_INTEGER_NAME;
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}
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/**
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* Retrieves the OID for this matching rule.
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*
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* @return The OID for this matching rule.
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*/
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public String getOID()
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{
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return EMR_INTEGER_OID;
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}
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/**
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* Retrieves the description for this matching rule.
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*
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* @return The description for this matching rule, or <CODE>null</CODE> if
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* there is none.
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*/
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public String getDescription()
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{
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// There is no standard description for this matching rule.
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return null;
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}
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/**
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* Retrieves the OID of the syntax with which this matching rule is
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* associated.
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*
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* @return The OID of the syntax with which this matching rule is associated.
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*/
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public String getSyntaxOID()
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{
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return SYNTAX_INTEGER_OID;
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}
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/**
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* Retrieves the normalized form of the provided value, which is best suited
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* for efficiently performing matching operations on that value.
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*
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* @param value The value to be normalized.
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*
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* @return The normalized version of the provided value.
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*
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* @throws DirectoryException If the provided value is invalid according to
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* the associated attribute syntax.
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*/
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public ByteString normalizeValue(ByteString value)
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throws DirectoryException
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{
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byte[] valueBytes = value.value();
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int length = valueBytes.length;
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StringBuilder buffer = new StringBuilder(length);
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boolean logged = false;
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for (int i=0; i < length; i++)
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{
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switch (valueBytes[i])
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{
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case '0':
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switch (buffer.length())
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{
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case 0:
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// This is only OK if the value is zero
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if (i == (length-1))
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{
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buffer.append("0");
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}
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else
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{
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int msgID = MSGID_ATTR_SYNTAX_INTEGER_INITIAL_ZERO;
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String message = getMessage(msgID, value.stringValue());
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switch (DirectoryServer.getSyntaxEnforcementPolicy())
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{
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case REJECT:
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throw new DirectoryException(
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ResultCode.INVALID_ATTRIBUTE_SYNTAX, message,
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msgID);
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case WARN:
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if (! logged)
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{
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logged = true;
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logError(ErrorLogCategory.SCHEMA,
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ErrorLogSeverity.SEVERE_WARNING, message, msgID);
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}
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break;
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}
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}
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break;
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case 1:
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// This is OK as long as the first character isn't a dash.
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if (buffer.charAt(0) == '-')
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{
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int msgID = MSGID_ATTR_SYNTAX_INTEGER_INITIAL_ZERO;
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String message = getMessage(msgID, value.stringValue());
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switch (DirectoryServer.getSyntaxEnforcementPolicy())
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{
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case REJECT:
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throw new DirectoryException(
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ResultCode.INVALID_ATTRIBUTE_SYNTAX, message,
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msgID);
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case WARN:
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if (! logged)
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{
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logged = true;
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logError(ErrorLogCategory.SCHEMA,
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ErrorLogSeverity.SEVERE_WARNING, message, msgID);
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}
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break;
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}
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}
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else
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{
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buffer.append("0");
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}
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break;
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default:
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// This is always fine.
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buffer.append("0");
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break;
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}
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break;
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case '1':
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buffer.append('1');
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break;
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case '2':
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buffer.append('2');
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break;
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case '3':
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buffer.append('3');
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break;
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case '4':
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buffer.append('4');
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break;
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case '5':
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buffer.append('5');
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break;
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case '6':
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buffer.append('6');
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break;
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case '7':
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buffer.append('7');
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break;
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case '8':
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buffer.append('8');
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break;
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case '9':
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buffer.append('9');
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break;
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case '-':
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// This is only OK if the buffer is empty.
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if (buffer.length() == 0)
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{
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buffer.append("-");
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}
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else
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{
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int msgID = MSGID_ATTR_SYNTAX_INTEGER_MISPLACED_DASH;
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String message = getMessage(msgID, value.stringValue());
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switch (DirectoryServer.getSyntaxEnforcementPolicy())
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{
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case REJECT:
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throw new DirectoryException(
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ResultCode.INVALID_ATTRIBUTE_SYNTAX, message,
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msgID);
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case WARN:
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if (! logged)
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{
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logged = true;
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logError(ErrorLogCategory.SCHEMA,
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ErrorLogSeverity.SEVERE_WARNING, message, msgID);
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}
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break;
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}
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}
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break;
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default:
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int msgID = MSGID_ATTR_SYNTAX_INTEGER_INVALID_CHARACTER;
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String message = getMessage(msgID, value.stringValue(),
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((char) valueBytes[i]), i);
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switch (DirectoryServer.getSyntaxEnforcementPolicy())
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{
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case REJECT:
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throw new DirectoryException(
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ResultCode.INVALID_ATTRIBUTE_SYNTAX, message,
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msgID);
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case WARN:
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if (! logged)
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{
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logged = true;
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logError(ErrorLogCategory.SCHEMA,
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ErrorLogSeverity.SEVERE_WARNING, message, msgID);
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}
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break;
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}
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}
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}
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if (buffer.length() == 0)
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{
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int msgID = MSGID_ATTR_SYNTAX_INTEGER_EMPTY_VALUE;
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String message = getMessage(msgID, value.stringValue());
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switch (DirectoryServer.getSyntaxEnforcementPolicy())
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{
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case REJECT:
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throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
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message, msgID);
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case WARN:
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if (! logged)
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{
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logged = true;
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logError(ErrorLogCategory.SCHEMA, ErrorLogSeverity.SEVERE_WARNING,
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message, msgID);
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}
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buffer.append("0");
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break;
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default:
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buffer.append("0");
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break;
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}
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}
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else if ((buffer.length() == 1) && (buffer.charAt(0) == '-'))
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{
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int msgID = MSGID_ATTR_SYNTAX_INTEGER_DASH_NEEDS_VALUE;
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String message = getMessage(msgID, value.stringValue());
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switch (DirectoryServer.getSyntaxEnforcementPolicy())
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{
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case REJECT:
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throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX,
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message, msgID);
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case WARN:
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if (! logged)
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{
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logged = true;
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logError(ErrorLogCategory.SCHEMA, ErrorLogSeverity.SEVERE_WARNING,
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message, msgID);
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}
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buffer.setCharAt(0, '0');
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break;
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default:
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buffer.setCharAt(0, '0');
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break;
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}
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}
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return new ASN1OctetString(buffer.toString());
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}
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/**
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* Indicates whether the two provided normalized values are equal to each
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* other.
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*
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* @param value1 The normalized form of the first value to compare.
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* @param value2 The normalized form of the second value to compare.
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*
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* @return <CODE>true</CODE> if the provided values are equal, or
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* <CODE>false</CODE> if not.
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*/
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public boolean areEqual(ByteString value1, ByteString value2)
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{
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// Since the values are already normalized, we just need to compare the
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// associated byte arrays.
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return Arrays.equals(value1.value(), value2.value());
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}
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}
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