/*
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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 2006-2008 Sun Microsystems, Inc.
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* Portions Copyright 2012-2014 ForgeRock AS
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*/
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package org.opends.server.schema;
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import java.util.HashSet;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import org.opends.server.admin.std.server.AttributeSyntaxCfg;
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import org.opends.server.api.ApproximateMatchingRule;
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import org.opends.server.api.AttributeSyntax;
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import org.opends.server.api.EqualityMatchingRule;
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import org.opends.server.api.OrderingMatchingRule;
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import org.opends.server.api.SubstringMatchingRule;
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import org.forgerock.opendj.config.server.ConfigException;
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import org.opends.server.core.DirectoryServer;
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import org.forgerock.opendj.ldap.ByteSequence;
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import static org.opends.messages.SchemaMessages.*;
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import org.forgerock.i18n.LocalizableMessageBuilder;
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import static org.opends.server.schema.SchemaConstants.*;
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/**
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* This class implements the teletex terminal identifier attribute syntax, which
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* contains a printable string (the terminal identifier) followed by zero or
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* more parameters, which start with a dollar sign and are followed by a
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* parameter name, a colon, and a value. The parameter value should consist of
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* any string of bytes (the dollar sign and backslash must be escaped with a
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* preceding backslash), and the parameter name must be one of the following
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* strings:
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* <UL>
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* <LI>graphic</LI>
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* <LI>control</LI>
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* <LI>misc</LI>
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* <LI>page</LI>
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* <LI>private</LI>
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* </UL>
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*/
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public class TeletexTerminalIdentifierSyntax
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extends AttributeSyntax<AttributeSyntaxCfg>
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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/**
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* The set of allowed fax parameter values, formatted entirely in lowercase
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* characters.
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*/
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public static final HashSet<String> ALLOWED_TTX_PARAMETERS =
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new HashSet<String>(5);
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static
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{
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ALLOWED_TTX_PARAMETERS.add("graphic");
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ALLOWED_TTX_PARAMETERS.add("control");
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ALLOWED_TTX_PARAMETERS.add("misc");
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ALLOWED_TTX_PARAMETERS.add("page");
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ALLOWED_TTX_PARAMETERS.add("private");
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}
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// The default equality matching rule for this syntax.
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private EqualityMatchingRule defaultEqualityMatchingRule;
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// The default ordering matching rule for this syntax.
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private OrderingMatchingRule defaultOrderingMatchingRule;
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// The default substring matching rule for this syntax.
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private SubstringMatchingRule defaultSubstringMatchingRule;
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/**
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* Creates a new instance of this syntax. Note that the only thing that
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* should be done here is to invoke the default constructor for the
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* superclass. All initialization should be performed in the
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* <CODE>initializeSyntax</CODE> method.
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*/
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public TeletexTerminalIdentifierSyntax()
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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 initializeSyntax(AttributeSyntaxCfg configuration)
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throws ConfigException
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{
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defaultEqualityMatchingRule =
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DirectoryServer.getEqualityMatchingRule(EMR_CASE_IGNORE_OID);
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if (defaultEqualityMatchingRule == null)
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{
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logger.error(ERR_ATTR_SYNTAX_UNKNOWN_EQUALITY_MATCHING_RULE,
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EMR_CASE_IGNORE_OID, SYNTAX_TELETEX_TERM_ID_NAME);
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}
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defaultOrderingMatchingRule =
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DirectoryServer.getOrderingMatchingRule(OMR_CASE_IGNORE_OID);
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if (defaultOrderingMatchingRule == null)
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{
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logger.error(ERR_ATTR_SYNTAX_UNKNOWN_ORDERING_MATCHING_RULE,
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OMR_CASE_IGNORE_OID, SYNTAX_TELETEX_TERM_ID_NAME);
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}
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defaultSubstringMatchingRule =
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DirectoryServer.getSubstringMatchingRule(SMR_CASE_IGNORE_OID);
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if (defaultSubstringMatchingRule == null)
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{
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logger.error(ERR_ATTR_SYNTAX_UNKNOWN_SUBSTRING_MATCHING_RULE,
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SMR_CASE_IGNORE_OID, SYNTAX_TELETEX_TERM_ID_NAME);
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}
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}
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/**
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* Retrieves the common name for this attribute syntax.
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*
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* @return The common name for this attribute syntax.
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*/
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public String getName()
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{
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return SYNTAX_TELETEX_TERM_ID_NAME;
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}
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/**
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* Retrieves the OID for this attribute syntax.
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*
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* @return The OID for this attribute syntax.
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*/
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public String getOID()
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{
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return SYNTAX_TELETEX_TERM_ID_OID;
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}
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/**
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* Retrieves a description for this attribute syntax.
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*
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* @return A description for this attribute syntax.
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*/
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public String getDescription()
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{
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return SYNTAX_TELETEX_TERM_ID_DESCRIPTION;
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}
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/**
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* Retrieves the default equality matching rule that will be used for
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* attributes with this syntax.
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*
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* @return The default equality matching rule that will be used for
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* attributes with this syntax, or <CODE>null</CODE> if equality
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* matches will not be allowed for this type by default.
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*/
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public EqualityMatchingRule getEqualityMatchingRule()
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{
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return defaultEqualityMatchingRule;
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}
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/**
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* Retrieves the default ordering matching rule that will be used for
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* attributes with this syntax.
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*
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* @return The default ordering matching rule that will be used for
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* attributes with this syntax, or <CODE>null</CODE> if ordering
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* matches will not be allowed for this type by default.
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*/
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public OrderingMatchingRule getOrderingMatchingRule()
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{
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return defaultOrderingMatchingRule;
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}
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/**
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* Retrieves the default substring matching rule that will be used for
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* attributes with this syntax.
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*
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* @return The default substring matching rule that will be used for
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* attributes with this syntax, or <CODE>null</CODE> if substring
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* matches will not be allowed for this type by default.
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*/
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public SubstringMatchingRule getSubstringMatchingRule()
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{
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return defaultSubstringMatchingRule;
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}
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/**
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* Retrieves the default approximate matching rule that will be used for
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* attributes with this syntax.
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*
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* @return The default approximate matching rule that will be used for
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* attributes with this syntax, or <CODE>null</CODE> if approximate
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* matches will not be allowed for this type by default.
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*/
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public ApproximateMatchingRule getApproximateMatchingRule()
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{
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// There is no approximate matching rule by default.
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return null;
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}
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/**
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* Indicates whether the provided value is acceptable for use in an attribute
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* with this syntax. If it is not, then the reason may be appended to the
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* provided buffer.
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*
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* @param value The value for which to make the determination.
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* @param invalidReason The buffer to which the invalid reason should be
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* appended.
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*
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* @return <CODE>true</CODE> if the provided value is acceptable for use with
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* this syntax, or <CODE>false</CODE> if not.
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*/
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public boolean valueIsAcceptable(ByteSequence value,
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LocalizableMessageBuilder invalidReason)
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{
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// Get a lowercase string representation of the value and find its length.
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String valueString = value.toString();
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int valueLength = valueString.length();
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// The value must contain at least one character.
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if (valueLength == 0)
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{
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invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_EMPTY.get());
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return false;
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}
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// The first character must be a printable string character.
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char c = valueString.charAt(0);
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if (! PrintableString.isPrintableCharacter(c))
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{
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invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_NOT_PRINTABLE.get(valueString, c, 0));
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return false;
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}
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// Continue reading until we find a dollar sign or the end of the string.
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// Every intermediate character must be a printable string character.
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int pos = 1;
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for ( ; pos < valueLength; pos++)
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{
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c = valueString.charAt(pos);
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if (c == '$')
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{
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pos++;
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break;
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}
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else
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{
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if (! PrintableString.isPrintableCharacter(c))
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{
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invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_NOT_PRINTABLE.get(valueString, c, pos));
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}
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}
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}
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if (pos >= valueLength)
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{
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// We're at the end of the value, so it must be valid unless the last
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// character was a dollar sign.
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if (c == '$')
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{
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invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_END_WITH_DOLLAR.get(
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valueString));
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return false;
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}
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else
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{
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return true;
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}
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}
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// Continue reading until we find the end of the string. Each substring
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// must be a valid teletex terminal identifier parameter followed by a colon
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// and the value. Dollar signs must be escaped
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int paramStartPos = pos;
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boolean escaped = false;
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while (pos < valueLength)
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{
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if (escaped)
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{
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pos++;
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continue;
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}
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c = valueString.charAt(pos++);
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if (c == '\\')
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{
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escaped = true;
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continue;
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}
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else if (c == '$')
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{
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String paramStr = valueString.substring(paramStartPos, pos);
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int colonPos = paramStr.indexOf(':');
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if (colonPos < 0)
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{
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invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_PARAM_NO_COLON.get(
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valueString));
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return false;
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}
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String paramName = paramStr.substring(0, colonPos);
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if (! ALLOWED_TTX_PARAMETERS.contains(paramName))
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{
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invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_ILLEGAL_PARAMETER.get(
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valueString, paramName));
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return false;
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}
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paramStartPos = pos;
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}
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}
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// We must be at the end of the value. Read the last parameter and make
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// sure it is valid.
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String paramStr = valueString.substring(paramStartPos);
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int colonPos = paramStr.indexOf(':');
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if (colonPos < 0)
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{
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invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_PARAM_NO_COLON.get(
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valueString));
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return false;
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}
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String paramName = paramStr.substring(0, colonPos);
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if (! ALLOWED_TTX_PARAMETERS.contains(paramName))
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{
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invalidReason.append(ERR_ATTR_SYNTAX_TELETEXID_ILLEGAL_PARAMETER.get(
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valueString, paramName));
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return false;
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}
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// If we've gotten here, then the value must be valid.
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return true;
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}
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/**
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* {@inheritDoc}
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*/
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public boolean isBEREncodingRequired()
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{
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return false;
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}
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/**
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* {@inheritDoc}
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*/
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public boolean isHumanReadable()
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{
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return true;
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}
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}
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