/*
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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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* Copyright 2009 Sun Microsystems, Inc.
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*/
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package org.opends.sdk.schema;
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import org.opends.sdk.Assertion;
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import org.opends.sdk.ConditionResult;
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import org.opends.sdk.DecodeException;
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import org.opends.sdk.util.ByteSequence;
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import org.opends.sdk.util.ByteString;
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import org.opends.sdk.util.StaticUtils;
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import org.opends.sdk.util.SubstringReader;
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/**
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* This class defines the objectIdentifierMatch matching rule defined in
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* X.520 and referenced in RFC 2252. This expects to work on OIDs and
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* will match either an attribute/objectclass name or a numeric OID.
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* NOTE: This matching rule requires a schema to lookup object
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* identifiers in the descriptor form.
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*/
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final class ObjectIdentifierEqualityMatchingRuleImpl extends
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AbstractMatchingRuleImpl
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{
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static class OIDAssertion implements Assertion
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{
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private final String oid;
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OIDAssertion(String oid)
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{
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this.oid = oid;
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}
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public ConditionResult matches(ByteSequence attributeValue)
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{
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final String attrStr = attributeValue.toString();
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// We should have normalized all values to OIDs. If not, we know
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// the descriptor form is not valid in the schema.
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if (attrStr.length() == 0
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|| !StaticUtils.isDigit(attrStr.charAt(0)))
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{
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return ConditionResult.UNDEFINED;
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}
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if (oid.length() == 0 || !StaticUtils.isDigit(oid.charAt(0)))
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{
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return ConditionResult.UNDEFINED;
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}
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return attrStr.equals(oid) ? ConditionResult.TRUE
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: ConditionResult.FALSE;
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}
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}
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static String resolveNames(Schema schema, String oid)
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{
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if (!StaticUtils.isDigit(oid.charAt(0)))
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{
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// Do an best effort attempt to normalize names to OIDs.
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String schemaName = null;
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if (schema.hasAttributeType(oid))
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{
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schemaName = schema.getAttributeType(oid).getOID();
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}
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if (schemaName == null)
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{
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if (schema.hasDITContentRule(oid))
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{
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schemaName =
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schema.getDITContentRule(oid).getStructuralClass()
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.getOID();
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}
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}
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if (schemaName == null)
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{
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if (schema.hasSyntax(oid))
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{
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schemaName = schema.getSyntax(oid).getOID();
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}
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}
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if (schemaName == null)
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{
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if (schema.hasObjectClass(oid))
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{
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schemaName = schema.getObjectClass(oid).getOID();
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}
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}
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if (schemaName == null)
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{
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if (schema.hasMatchingRule(oid))
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{
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schemaName = schema.getMatchingRule(oid).getOID();
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}
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}
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if (schemaName == null)
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{
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if (schema.hasMatchingRuleUse(oid))
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{
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schemaName =
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schema.getMatchingRuleUse(oid).getMatchingRule().getOID();
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}
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}
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if (schemaName == null)
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{
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if (schema.hasNameForm(oid))
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{
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schemaName = schema.getNameForm(oid).getOID();
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}
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}
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if (schemaName != null)
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{
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return schemaName;
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}
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else
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{
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return StaticUtils.toLowerCase(oid);
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}
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}
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return oid;
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}
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@Override
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public Assertion getAssertion(Schema schema, ByteSequence value)
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throws DecodeException
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{
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final String definition = value.toString();
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final SubstringReader reader = new SubstringReader(definition);
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final String normalized =
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resolveNames(schema, SchemaUtils.readOID(reader));
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return new OIDAssertion(normalized);
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}
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public ByteString normalizeAttributeValue(Schema schema,
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ByteSequence value) throws DecodeException
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{
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final String definition = value.toString();
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final SubstringReader reader = new SubstringReader(definition);
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final String normalized =
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resolveNames(schema, SchemaUtils.readOID(reader));
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return ByteString.valueOf(normalized);
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}
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}
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