/*
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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 2006-2009 Sun Microsystems, Inc.
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*/
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package org.opends.server.schema;
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import static org.opends.messages.SchemaMessages.*;
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import static org.opends.server.schema.SchemaConstants.*;
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import static org.opends.server.util.StaticUtils.*;
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import static org.opends.server.schema.StringPrepProfile.*;
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import java.util.Collection;
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import java.util.Collections;
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import org.opends.messages.Message;
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import org.opends.server.api.EqualityMatchingRule;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.loggers.ErrorLogger;
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import org.opends.server.types.ByteSequence;
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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.ResultCode;
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/**
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* This class implements the numericStringMatch matching rule defined in X.520
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* and referenced in RFC 2252. It allows for values with numeric digits and
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* spaces, but ignores spaces when performing matching.
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*/
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class NumericStringEqualityMatchingRule
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extends EqualityMatchingRule
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{
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/**
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* Creates a new instance of this caseExactMatch matching rule.
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*/
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public NumericStringEqualityMatchingRule()
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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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@Override
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public Collection<String> getAllNames()
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{
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return Collections.singleton(getName());
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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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@Override
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public String getName()
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{
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return EMR_NUMERIC_STRING_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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@Override
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public String getOID()
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{
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return EMR_NUMERIC_STRING_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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@Override
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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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@Override
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public String getSyntaxOID()
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{
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return SYNTAX_NUMERIC_STRING_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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@Override
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public ByteString normalizeValue(ByteSequence value)
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throws DirectoryException
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{
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StringBuilder buffer = new StringBuilder();
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prepareUnicode(buffer, value, TRIM, NO_CASE_FOLD);
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int bufferLength = buffer.length();
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boolean logged = false;
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for (int pos = bufferLength-1; pos > 0; pos--)
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{
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char c = buffer.charAt(pos);
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if (!isDigit(c))
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{
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if (c == ' ')
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{
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buffer.delete(pos, pos+1);
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}
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else
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{
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// This is an illegal character. Either log it or reject it.
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Message message = WARN_ATTR_SYNTAX_NUMERIC_STRING_ILLEGAL_CHAR.get(
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value.toString(), String.valueOf(c), pos);
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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);
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case WARN:
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if (! logged)
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{
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ErrorLogger.logError(message);
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logged = true;
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}
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}
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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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return ByteString.empty();
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}
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return ByteString.valueOf(buffer.toString());
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}
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}
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