/*
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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 static com.sun.opends.sdk.messages.Messages.*;
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import static com.sun.opends.sdk.util.StaticUtils.*;
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import static org.opends.sdk.schema.SchemaConstants.*;
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import org.opends.sdk.ByteSequence;
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import org.opends.sdk.DecodeException;
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import com.sun.opends.sdk.util.MessageBuilder;
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import com.sun.opends.sdk.util.SubstringReader;
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/**
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* This class implements the enhanced guide attribute syntax, which may
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* be used to provide criteria for generating search filters for entries
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* of a given objectclass.
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*/
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final class EnhancedGuideSyntaxImpl extends AbstractSyntaxImpl
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{
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@Override
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public String getEqualityMatchingRule()
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{
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return EMR_OCTET_STRING_OID;
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}
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public String getName()
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{
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return SYNTAX_ENHANCED_GUIDE_NAME;
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}
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@Override
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public String getOrderingMatchingRule()
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{
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return OMR_OCTET_STRING_OID;
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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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* Indicates whether the provided value is acceptable for use in an
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* attribute with this syntax. If it is not, then the reason may be
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* appended to the provided buffer.
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*
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* @param schema
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* The schema in which this syntax is defined.
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* @param value
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* The value for which to make the determination.
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* @param invalidReason
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* The buffer to which the invalid reason should be appended.
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* @return <CODE>true</CODE> if the provided value is acceptable for
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* use with this syntax, or <CODE>false</CODE> if not.
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*/
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public boolean valueIsAcceptable(Schema schema, ByteSequence value,
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MessageBuilder invalidReason)
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{
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// Get a lowercase string version of the provided value.
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final String valueStr = toLowerCase(value.toString());
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// Find the position of the first octothorpe. It should denote the
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// end of the objectclass.
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final int sharpPos = valueStr.indexOf('#');
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if (sharpPos < 0)
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{
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invalidReason.append(ERR_ATTR_SYNTAX_ENHANCEDGUIDE_NO_SHARP
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.get(valueStr));
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return false;
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}
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// Get the objectclass and see if it is a valid name or OID.
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final String ocName = valueStr.substring(0, sharpPos).trim();
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final int ocLength = ocName.length();
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if (ocLength == 0)
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{
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invalidReason.append(ERR_ATTR_SYNTAX_ENHANCEDGUIDE_NO_OC
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.get(valueStr));
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return false;
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}
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try
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{
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SchemaUtils.readOID(new SubstringReader(ocName
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.substring(ocLength)));
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}
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catch (final DecodeException de)
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{
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invalidReason.append(de.getMessageObject());
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return false;
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}
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// Find the last octothorpe and make sure it is followed by a valid
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// scope.
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final int lastSharpPos = valueStr.lastIndexOf('#');
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if (lastSharpPos == sharpPos)
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{
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invalidReason.append(ERR_ATTR_SYNTAX_ENHANCEDGUIDE_NO_FINAL_SHARP
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.get(valueStr));
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return false;
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}
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final String scopeStr = valueStr.substring(lastSharpPos + 1).trim();
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if (!(scopeStr.equals("baseobject") || scopeStr.equals("onelevel")
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|| scopeStr.equals("wholesubtree") || scopeStr
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.equals("subordinatesubtree")))
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{
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if (scopeStr.length() == 0)
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{
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invalidReason.append(ERR_ATTR_SYNTAX_ENHANCEDGUIDE_NO_SCOPE
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.get(valueStr));
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}
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else
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{
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invalidReason
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.append(ERR_ATTR_SYNTAX_ENHANCEDGUIDE_INVALID_SCOPE.get(
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valueStr, scopeStr));
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}
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return false;
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}
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// Everything between the two octothorpes must be the criteria. Make
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// sure it is valid.
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final String criteria =
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valueStr.substring(sharpPos + 1, lastSharpPos).trim();
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final int criteriaLength = criteria.length();
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if (criteriaLength == 0)
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{
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invalidReason.append(ERR_ATTR_SYNTAX_ENHANCEDGUIDE_NO_CRITERIA
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.get(valueStr));
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return false;
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}
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return GuideSyntaxImpl.criteriaIsValid(criteria, valueStr,
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invalidReason);
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}
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}
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