| /* |
| * 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.shared.ldap.codec.del; |
| |
| |
| import java.nio.BufferOverflowException; |
| import java.nio.ByteBuffer; |
| |
| import org.apache.directory.shared.asn1.ber.tlv.TLV; |
| import org.apache.directory.shared.asn1.codec.EncoderException; |
| import org.apache.directory.shared.i18n.I18n; |
| import org.apache.directory.shared.ldap.codec.LdapConstants; |
| import org.apache.directory.shared.ldap.codec.LdapMessageCodec; |
| import org.apache.directory.shared.ldap.codec.MessageTypeEnum; |
| import org.apache.directory.shared.ldap.name.DN; |
| |
| |
| /** |
| * A DelRequest Message. |
| * |
| * Its syntax is : |
| * |
| * DelRequest ::= [APPLICATION 10] LDAPDN |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class DelRequestCodec extends LdapMessageCodec |
| { |
| // ~ Instance fields |
| // ---------------------------------------------------------------------------- |
| |
| /** The entry to be deleted */ |
| private DN entry; |
| |
| |
| // ~ Constructors |
| // ------------------------------------------------------------------------------- |
| |
| /** |
| * Creates a new DelRequest object. |
| */ |
| public DelRequestCodec() |
| { |
| super(); |
| } |
| |
| |
| // ~ Methods |
| // ------------------------------------------------------------------------------------ |
| |
| /** |
| * Get the message type |
| * |
| * @return Returns the type. |
| */ |
| public MessageTypeEnum getMessageType() |
| { |
| return MessageTypeEnum.DEL_REQUEST; |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public String getMessageTypeName() |
| { |
| return "DEL_REQUEST"; |
| } |
| |
| |
| /** |
| * Get the entry to be deleted |
| * |
| * @return Returns the entry. |
| */ |
| public DN getEntry() |
| { |
| return entry; |
| } |
| |
| |
| /** |
| * Set the entry to be deleted |
| * |
| * @param entry The entry to set. |
| */ |
| public void setEntry( DN entry ) |
| { |
| this.entry = entry; |
| } |
| |
| |
| /** |
| * Compute the DelRequest length |
| * |
| * DelRequest : |
| * 0x4A L1 entry |
| * |
| * L1 = Length(entry) |
| * Length(DelRequest) = Length(0x4A) + Length(L1) + L1 |
| */ |
| protected int computeLengthProtocolOp() |
| { |
| // The entry |
| return 1 + TLV.getNbBytes( DN.getNbBytes( entry ) ) + DN.getNbBytes( entry ); |
| } |
| |
| |
| /** |
| * Encode the DelRequest message to a PDU. |
| * |
| * DelRequest : |
| * 0x4A LL entry |
| * |
| * @param buffer The buffer where to put the PDU |
| */ |
| protected void encodeProtocolOp( ByteBuffer buffer ) throws EncoderException |
| { |
| try |
| { |
| // The DelRequest Tag |
| buffer.put( LdapConstants.DEL_REQUEST_TAG ); |
| |
| // The entry |
| buffer.put( TLV.getBytes( DN.getNbBytes( entry ) ) ); |
| buffer.put( DN.getBytes( entry ) ); |
| } |
| catch ( BufferOverflowException boe ) |
| { |
| throw new EncoderException( I18n.err( I18n.ERR_04005 ) ); |
| } |
| } |
| |
| |
| /** |
| * Return a String representing a DelRequest |
| * |
| * @return A DelRequest String |
| */ |
| public String toString() |
| { |
| StringBuilder sb = new StringBuilder(); |
| |
| sb.append( " Del request\n" ); |
| sb.append( " Entry : '" ).append( entry ).append( '\'' ); |
| |
| return toString( sb.toString() ); |
| } |
| } |