/*
|
* The contents of this file are subject to the terms of the Common Development and
|
* Distribution License (the License). You may not use this file except in compliance with the
|
* License.
|
*
|
* You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the
|
* specific language governing permission and limitations under the License.
|
*
|
* When distributing Covered Software, include this CDDL Header Notice in each file and include
|
* the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL
|
* Header, with the fields enclosed by brackets [] replaced by your own identifying
|
* information: "Portions Copyright [year] [name of copyright owner]".
|
*
|
* Copyright 2006-2008 Sun Microsystems, Inc.
|
* Portions Copyright 2012-2016 ForgeRock AS.
|
*/
|
package org.opends.server.schema;
|
|
import static org.forgerock.opendj.ldap.schema.SchemaOptions.*;
|
import static org.opends.server.schema.SchemaConstants.*;
|
|
import java.util.List;
|
|
import org.forgerock.i18n.LocalizableMessage;
|
import org.forgerock.opendj.config.server.ConfigChangeResult;
|
import org.forgerock.opendj.config.server.ConfigException;
|
import org.forgerock.opendj.ldap.schema.Schema;
|
import org.forgerock.opendj.ldap.schema.Syntax;
|
import org.opends.server.admin.server.ConfigurationChangeListener;
|
import org.opends.server.admin.std.server.DirectoryStringAttributeSyntaxCfg;
|
import org.opends.server.api.AttributeSyntax;
|
import org.opends.server.core.ServerContext;
|
import org.opends.server.types.DirectoryException;
|
|
|
/**
|
* This class defines the directory string attribute syntax, which is simply a
|
* set of UTF-8 characters. By default, they will be treated in a
|
* case-insensitive manner, and equality, ordering, substring, and approximate
|
* matching will be allowed.
|
*/
|
public class DirectoryStringSyntax
|
extends AttributeSyntax<DirectoryStringAttributeSyntaxCfg>
|
implements ConfigurationChangeListener<DirectoryStringAttributeSyntaxCfg>
|
{
|
|
/** Indicates whether we will allow zero-length values. */
|
private boolean allowZeroLengthValues;
|
|
/** The reference to the configuration for this directory string syntax. */
|
private DirectoryStringAttributeSyntaxCfg currentConfig;
|
|
private ServerContext serverContext;
|
|
/**
|
* Creates a new instance of this syntax. Note that the only thing that
|
* should be done here is to invoke the default constructor for the
|
* superclass. All initialization should be performed in the
|
* <CODE>initializeSyntax</CODE> method.
|
*/
|
public DirectoryStringSyntax()
|
{
|
super();
|
}
|
|
@Override
|
public void initializeSyntax(DirectoryStringAttributeSyntaxCfg configuration, ServerContext serverContext)
|
throws ConfigException, DirectoryException
|
{
|
this.serverContext = serverContext;
|
|
// This syntax is one of the Directory Server's core syntaxes and therefore
|
// it may be instantiated at times without a configuration entry. If that
|
// is the case, then we'll exit now before doing anything that could require
|
// access to that entry.
|
if (configuration == null)
|
{
|
return;
|
}
|
|
currentConfig = configuration;
|
currentConfig.addDirectoryStringChangeListener(this);
|
allowZeroLengthValues = currentConfig.isAllowZeroLengthValues();
|
serverContext.getSchema().updateSchemaOption(ALLOW_ZERO_LENGTH_DIRECTORY_STRINGS, allowZeroLengthValues);
|
}
|
|
@Override
|
public Syntax getSDKSyntax(Schema schema)
|
{
|
return schema.getSyntax(SchemaConstants.SYNTAX_DIRECTORY_STRING_OID);
|
}
|
|
@Override
|
public void finalizeSyntax()
|
{
|
currentConfig.removeDirectoryStringChangeListener(this);
|
}
|
|
@Override
|
public String getName()
|
{
|
return SYNTAX_DIRECTORY_STRING_NAME;
|
}
|
|
@Override
|
public String getOID()
|
{
|
return SYNTAX_DIRECTORY_STRING_OID;
|
}
|
|
@Override
|
public String getDescription()
|
{
|
return SYNTAX_DIRECTORY_STRING_DESCRIPTION;
|
}
|
|
/**
|
* Indicates whether zero-length values will be allowed. This is technically
|
* forbidden by the LDAP specification, but it was allowed in earlier versions
|
* of the server, and the discussion of the directory string syntax in RFC
|
* 2252 does not explicitly state that they are not allowed.
|
*
|
* @return <CODE>true</CODE> if zero-length values should be allowed for
|
* attributes with a directory string syntax, or <CODE>false</CODE>
|
* if not.
|
*/
|
public boolean allowZeroLengthValues()
|
{
|
return allowZeroLengthValues;
|
}
|
|
@Override
|
public boolean isConfigurationChangeAcceptable(
|
DirectoryStringAttributeSyntaxCfg configuration,
|
List<LocalizableMessage> unacceptableReasons)
|
{
|
// The configuration will always be acceptable.
|
return true;
|
}
|
|
@Override
|
public ConfigChangeResult applyConfigurationChange(
|
DirectoryStringAttributeSyntaxCfg configuration)
|
{
|
currentConfig = configuration;
|
allowZeroLengthValues = configuration.isAllowZeroLengthValues();
|
final ConfigChangeResult ccr = new ConfigChangeResult();
|
try
|
{
|
serverContext.getSchema().updateSchemaOption(ALLOW_ZERO_LENGTH_DIRECTORY_STRINGS, allowZeroLengthValues);
|
}
|
catch (DirectoryException e)
|
{
|
ccr.setResultCode(e.getResultCode());
|
ccr.addMessage(e.getMessageObject());
|
}
|
return ccr;
|
}
|
}
|
