001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *  
010 *    http://www.apache.org/licenses/LICENSE-2.0
011 *  
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License. 
018 *  
019 */
020package org.apache.directory.server.core.trigger;
021
022
023import java.util.Map;
024
025import org.apache.directory.api.ldap.model.constants.SchemaConstants;
026import org.apache.directory.api.ldap.model.entry.Entry;
027import org.apache.directory.api.ldap.model.exception.LdapException;
028import org.apache.directory.api.ldap.model.name.Dn;
029import org.apache.directory.api.ldap.trigger.StoredProcedureParameter;
030import org.apache.directory.server.core.api.CoreSession;
031import org.apache.directory.server.core.api.interceptor.context.LookupOperationContext;
032import org.apache.directory.server.core.api.interceptor.context.OperationContext;
033
034
035public class DeleteStoredProcedureParameterInjector extends AbstractStoredProcedureParameterInjector
036{
037    private Dn deletedEntryName;
038    private Entry deletedEntry;
039
040
041    public DeleteStoredProcedureParameterInjector( OperationContext opContext, Dn deletedEntryName )
042        throws LdapException
043    {
044        super( opContext );
045        this.deletedEntryName = deletedEntryName;
046        this.deletedEntry = getDeletedEntry( opContext );
047        Map<Class<?>, MicroInjector> injectors = super.getInjectors();
048        injectors.put( StoredProcedureParameter.Delete_NAME.class, nameInjector );
049        injectors.put( StoredProcedureParameter.Delete_DELETED_ENTRY.class, deletedEntryInjector );
050    }
051
052    MicroInjector nameInjector = new MicroInjector()
053    {
054        public Object inject( OperationContext opContext, StoredProcedureParameter param ) throws LdapException
055        {
056            // Return a safe copy constructed with user provided name.
057            return opContext.getSession().getDirectoryService().getDnFactory().create( deletedEntryName.getName() );
058        }
059    };
060
061    MicroInjector deletedEntryInjector = new MicroInjector()
062    {
063        public Object inject( OperationContext opContext, StoredProcedureParameter param ) throws LdapException
064        {
065            return deletedEntry;
066        }
067    };
068
069
070    private Entry getDeletedEntry( OperationContext opContext ) throws LdapException
071    {
072        /**
073         * Using LOOKUP_EXCLUDING_OPR_ATTRS_BYPASS here to exclude operational attributes
074         * especially subentry related ones like "triggerExecutionSubentries".
075         */
076        CoreSession session = opContext.getSession();
077        LookupOperationContext lookupContext = new LookupOperationContext( session, deletedEntryName,
078            SchemaConstants.ALL_USER_ATTRIBUTES_ARRAY );
079        lookupContext.setPartition( opContext.getPartition() );
080        lookupContext.setTransaction( opContext.getTransaction() );
081        
082        return session.getDirectoryService().getPartitionNexus().lookup( lookupContext );
083    }
084}