/*
* 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.changepw.io;
import java.io.IOException;
import java.nio.ByteBuffer;
import org.apache.directory.server.changepw.messages.ChangePasswordReply;
import org.apache.directory.server.changepw.messages.ChangePasswordReplyModifier;
import org.apache.directory.server.kerberos.shared.io.decoder.ApplicationReplyDecoder;
import org.apache.directory.server.kerberos.shared.io.decoder.PrivateMessageDecoder;
import org.apache.directory.server.kerberos.shared.messages.application.ApplicationReply;
import org.apache.directory.server.kerberos.shared.messages.application.PrivateMessage;
/**
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class ChangePasswordReplyDecoder
{
private static final int HEADER_LENGTH = 6;
/**
* Decodes a {@link ByteBuffer} into a {@link ChangePasswordReply}.
*
* @param buf
* @return The {@link ChangePasswordReply}.
* @throws IOException
*/
public ChangePasswordReply decode( ByteBuffer buf ) throws IOException
{
ChangePasswordReplyModifier modifier = new ChangePasswordReplyModifier();
short messageLength = buf.getShort();
short protocolVersion = buf.getShort();
short encodedAppReplyLength = buf.getShort();
modifier.setProtocolVersionNumber( protocolVersion );
byte[] encodedAppReply = new byte[encodedAppReplyLength];
buf.get( encodedAppReply );
ApplicationReplyDecoder appDecoder = new ApplicationReplyDecoder();
ApplicationReply applicationReply = appDecoder.decode( encodedAppReply );
modifier.setApplicationReply( applicationReply );
int privateBytesLength = messageLength - HEADER_LENGTH - encodedAppReplyLength;
byte[] encodedPrivateMessage = new byte[privateBytesLength];
buf.get( encodedPrivateMessage );
PrivateMessageDecoder privateDecoder = new PrivateMessageDecoder();
PrivateMessage privateMessage = privateDecoder.decode( encodedPrivateMessage );
modifier.setPrivateMessage( privateMessage );
return modifier.getChangePasswordReply();
}
}