/*
* 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.ChangePasswordRequest;
import org.apache.directory.server.changepw.messages.ChangePasswordRequestModifier;
import org.apache.directory.server.kerberos.shared.io.decoder.ApplicationRequestDecoder;
import org.apache.directory.server.kerberos.shared.io.decoder.PrivateMessageDecoder;
import org.apache.directory.server.kerberos.shared.messages.ApplicationRequest;
import org.apache.directory.server.kerberos.shared.messages.application.PrivateMessage;
/**
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev: 557127 $, $Date: 2007-07-18 05:02:51 +0200 (Mer, 18 jul 2007) $
*/
public class ChangePasswordRequestDecoder
{
/**
* Decodes a {@link ByteBuffer} into a {@link ChangePasswordRequest}.
*
* @param buf
* @return The {@link ChangePasswordRequest}.
* @throws IOException
*/
public ChangePasswordRequest decode( ByteBuffer buf ) throws IOException
{
ChangePasswordRequestModifier modifier = new ChangePasswordRequestModifier();
buf.getShort(); // message length
modifier.setProtocolVersionNumber( buf.getShort() );
short authHeaderLength = buf.getShort();
byte[] undecodedAuthHeader = new byte[authHeaderLength];
buf.get( undecodedAuthHeader, 0, authHeaderLength );
ApplicationRequestDecoder decoder = new ApplicationRequestDecoder();
ApplicationRequest authHeader = decoder.decode( undecodedAuthHeader );
modifier.setAuthHeader( authHeader );
byte[] encodedPrivate = new byte[buf.remaining()];
buf.get( encodedPrivate, 0, buf.remaining() );
PrivateMessageDecoder privateDecoder = new PrivateMessageDecoder();
PrivateMessage privMessage = privateDecoder.decode( encodedPrivate );
modifier.setPrivateMessage( privMessage );
return modifier.getChangePasswordMessage();
}
}