/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.directory.server.ldap.handlers.extended;
import java.io.Serializable;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.commons.lang.SerializationUtils;
import org.apache.directory.server.core.entry.ClonedServerEntry;
import org.apache.directory.server.core.sp.StoredProcEngine;
import org.apache.directory.server.core.sp.StoredProcEngineConfig;
import org.apache.directory.server.core.sp.StoredProcExecutionManager;
import org.apache.directory.server.core.sp.java.JavaStoredProcEngineConfig;
import org.apache.directory.server.ldap.ExtendedOperationHandler;
import org.apache.directory.server.ldap.LdapServer;
import org.apache.directory.server.ldap.LdapSession;
import org.apache.directory.shared.asn1.ber.Asn1Decoder;
import org.apache.directory.shared.asn1.ber.IAsn1Container;
import org.apache.directory.shared.ldap.codec.extended.operations.storedProcedure.StoredProcedure;
import org.apache.directory.shared.ldap.codec.extended.operations.storedProcedure.StoredProcedureContainer;
import org.apache.directory.shared.ldap.codec.extended.operations.storedProcedure.StoredProcedureDecoder;
import org.apache.directory.shared.ldap.codec.extended.operations.storedProcedure.StoredProcedure.StoredProcedureParameter;
import org.apache.directory.shared.ldap.message.extended.StoredProcedureRequest;
import org.apache.directory.shared.ldap.message.extended.StoredProcedureResponse;
import org.apache.directory.shared.ldap.message.internal.InternalExtendedRequest;
import org.apache.directory.shared.ldap.message.internal.InternalExtendedResponse;
import org.apache.directory.shared.ldap.name.DN;
import org.apache.directory.shared.ldap.sp.LdapContextParameter;
import org.apache.directory.shared.ldap.util.StringTools;
/**
* @org.apache.xbean.XBean
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$ $Date$
*/
public class StoredProcedureExtendedOperationHandler implements ExtendedOperationHandler
{
private StoredProcExecutionManager manager;
private static final Object[] EMPTY_CLASS_ARRAY = new Object[0];
public StoredProcedureExtendedOperationHandler()
{
super();
//StoredProcEngineConfig javaxScriptSPEngineConfig = new JavaxStoredProcEngineConfig();
StoredProcEngineConfig javaSPEngineConfig = new JavaStoredProcEngineConfig();
List<StoredProcEngineConfig> spEngineConfigs = new ArrayList<StoredProcEngineConfig>();
//spEngineConfigs.add( javaxScriptSPEngineConfig );
spEngineConfigs.add( javaSPEngineConfig );
String spContainer = "ou=Stored Procedures,ou=system";
this.manager = new StoredProcExecutionManager( spContainer, spEngineConfigs );
}
public void handleExtendedOperation( LdapSession session, InternalExtendedRequest req ) throws Exception
{
StoredProcedure spBean = decodeBean( req.getPayload() );
String procedure = StringTools.utf8ToString( spBean.getProcedure() );
ClonedServerEntry spUnit = manager.findStoredProcUnit( session.getCoreSession(), procedure );
StoredProcEngine engine = manager.getStoredProcEngineInstance( spUnit );
List<Object> valueList = new ArrayList<Object>( spBean.getParameters().size() );
for ( StoredProcedureParameter pPojo:spBean.getParameters() )
{
byte[] serializedValue = pPojo.getValue();
Object value = SerializationUtils.deserialize( serializedValue );
if ( value.getClass().equals( LdapContextParameter.class ) )
{
String paramCtx = ( ( LdapContextParameter ) value ).getValue();
value = session.getCoreSession().lookup( new DN( paramCtx ) );
}
valueList.add( value );
}
Object[] values = valueList.toArray( EMPTY_CLASS_ARRAY );
Object response = engine.invokeProcedure( session.getCoreSession(), procedure, values );
byte[] serializedResponse = SerializationUtils.serialize( ( Serializable ) response );
( ( InternalExtendedResponse )( req.getResultResponse() ) ).setResponse( serializedResponse );
session.getIoSession().write( req.getResultResponse() );
}
private StoredProcedure decodeBean( byte[] payload )
{
Asn1Decoder storedProcedureDecoder = new StoredProcedureDecoder();
ByteBuffer stream = ByteBuffer.wrap( payload );
IAsn1Container storedProcedureContainer = new StoredProcedureContainer();
try
{
storedProcedureDecoder.decode( stream, storedProcedureContainer );
}
catch ( Exception de )
{
de.printStackTrace();
}
StoredProcedure spBean = ( ( StoredProcedureContainer ) storedProcedureContainer ).getStoredProcedure();
return spBean;
}
public String getOid()
{
return StoredProcedureRequest.EXTENSION_OID;
}
private static final Set<String> EXTENSION_OIDS;
static
{
Set<String> s = new HashSet<String>();
s.add( StoredProcedureRequest.EXTENSION_OID );
s.add( StoredProcedureResponse.EXTENSION_OID );
EXTENSION_OIDS = Collections.unmodifiableSet( s );
}
public Set<String> getExtensionOids()
{
return EXTENSION_OIDS;
}
public void setLdapServer( LdapServer ldapServer )
{
}
}