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.api.ldap.extras.extended.ads_impl.storedProcedure; 021 022 023import java.nio.ByteBuffer; 024import java.util.Iterator; 025 026import org.apache.directory.api.asn1.DecoderException; 027import org.apache.directory.api.asn1.ber.Asn1Decoder; 028import org.apache.directory.api.asn1.ber.tlv.BerValue; 029import org.apache.directory.api.asn1.util.Asn1Buffer; 030import org.apache.directory.api.ldap.codec.api.AbstractExtendedOperationFactory; 031import org.apache.directory.api.ldap.codec.api.ExtendedOperationFactory; 032import org.apache.directory.api.ldap.codec.api.LdapApiService; 033import org.apache.directory.api.ldap.extras.extended.storedProcedure.StoredProcedureParameter; 034import org.apache.directory.api.ldap.extras.extended.storedProcedure.StoredProcedureRequest; 035import org.apache.directory.api.ldap.extras.extended.storedProcedure.StoredProcedureRequestImpl; 036import org.apache.directory.api.ldap.extras.extended.storedProcedure.StoredProcedureResponse; 037import org.apache.directory.api.ldap.extras.extended.storedProcedure.StoredProcedureResponseImpl; 038import org.apache.directory.api.ldap.model.message.ExtendedRequest; 039 040 041/** 042 * An {@link ExtendedOperationFactory} for creating cancel extended request response 043 * pairs. 044 * 045 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 046 */ 047public class StoredProcedureFactory extends AbstractExtendedOperationFactory 048{ 049 /** 050 * Creates a new instance of StoredProcedureFactory. 051 * 052 * @param codec The LDAP Service to use 053 */ 054 public StoredProcedureFactory( LdapApiService codec ) 055 { 056 super( codec, StoredProcedureRequest.EXTENSION_OID ); 057 } 058 059 060 /** 061 * {@inheritDoc} 062 */ 063 @Override 064 public StoredProcedureRequest newRequest() 065 { 066 return new StoredProcedureRequestImpl(); 067 } 068 069 070 /** 071 * {@inheritDoc} 072 */ 073 @Override 074 public StoredProcedureRequest newRequest( byte[] value ) throws DecoderException 075 { 076 StoredProcedureRequest storedProcedureRequest = new StoredProcedureRequestImpl(); 077 078 decodeValue( storedProcedureRequest, value ); 079 080 return storedProcedureRequest; 081 } 082 083 084 /** 085 * {@inheritDoc} 086 */ 087 @Override 088 public StoredProcedureResponse newResponse() 089 { 090 return new StoredProcedureResponseImpl(); 091 } 092 093 094 /** 095 * {@inheritDoc} 096 */ 097 @Override 098 public void decodeValue( ExtendedRequest extendedRequest, byte[] requestValue ) throws DecoderException 099 { 100 ByteBuffer bb = ByteBuffer.wrap( requestValue ); 101 StoredProcedureRequestContainer container = new StoredProcedureRequestContainer(); 102 container.setStoredProcedureRequest( ( StoredProcedureRequest ) extendedRequest ); 103 Asn1Decoder.decode( bb, container ); 104 } 105 106 107 private void encodeParameters( Asn1Buffer buffer, Iterator<StoredProcedureParameter> parameters ) 108 { 109 if ( parameters.hasNext() ) 110 { 111 StoredProcedureParameter parameter = parameters.next(); 112 113 encodeParameters( buffer, parameters ); 114 115 int start = buffer.getPos(); 116 117 // The value 118 BerValue.encodeOctetString( buffer, parameter.getValue() ); 119 120 // The type 121 BerValue.encodeOctetString( buffer, parameter.getType() ); 122 123 // The parameter sequence 124 BerValue.encodeSequence( buffer, start ); 125 } 126 } 127 128 129 /** 130 * {@inheritDoc} 131 */ 132 @Override 133 public void encodeValue( Asn1Buffer buffer, ExtendedRequest extendedRequest ) 134 { 135 int start = buffer.getPos(); 136 137 StoredProcedureRequest storedProcedureRequest = ( StoredProcedureRequest ) extendedRequest; 138 139 encodeParameters( buffer, storedProcedureRequest.getParameters().iterator() ); 140 141 // The parameters sequence 142 BerValue.encodeSequence( buffer, start ); 143 144 // The procedure 145 BerValue.encodeOctetString( buffer, storedProcedureRequest.getProcedure() ); 146 147 // The language 148 BerValue.encodeOctetString( buffer, storedProcedureRequest.getLanguage() ); 149 150 // The sequence 151 BerValue.encodeSequence( buffer, start ); 152 } 153}