| /* |
| * |
| * 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.qpid.framing; |
| |
| import org.apache.qpid.AMQException; |
| import org.apache.qpid.protocol.AMQVersionAwareProtocolSession; |
| |
| import java.io.DataInput; |
| import java.io.DataInputStream; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| |
| public class ContentBody implements AMQBody |
| { |
| public static final byte TYPE = 3; |
| |
| private byte[] _payload; |
| |
| public ContentBody() |
| { |
| } |
| |
| public ContentBody(DataInput buffer, long size) throws AMQFrameDecodingException, IOException |
| { |
| _payload = new byte[(int)size]; |
| buffer.readFully(getPayload()); |
| } |
| |
| |
| public ContentBody(byte[] payload) |
| { |
| _payload = payload; |
| } |
| |
| public byte getFrameType() |
| { |
| return TYPE; |
| } |
| |
| public int getSize() |
| { |
| return getPayload() == null ? 0 : getPayload().length; |
| } |
| |
| public void writePayload(DataOutput buffer) throws IOException |
| { |
| buffer.write(getPayload()); |
| } |
| |
| public void handle(final int channelId, final AMQVersionAwareProtocolSession session) |
| throws AMQException |
| { |
| session.contentBodyReceived(channelId, this); |
| } |
| |
| protected void populateFromBuffer(DataInputStream buffer, long size) throws AMQFrameDecodingException, IOException |
| { |
| if (size > 0) |
| { |
| _payload = new byte[(int)size]; |
| buffer.read(getPayload()); |
| } |
| |
| } |
| |
| public void reduceBufferToFit() |
| { |
| } |
| |
| public byte[] getPayload() |
| { |
| return _payload; |
| } |
| |
| private static class BufferContentBody implements AMQBody |
| { |
| private final int _length; |
| private final int _offset; |
| private final ByteBuffer _buf; |
| |
| private BufferContentBody( ByteBuffer buf, int offset, int length) |
| { |
| _length = length; |
| _offset = offset; |
| _buf = buf; |
| } |
| |
| public byte getFrameType() |
| { |
| return TYPE; |
| } |
| |
| |
| public int getSize() |
| { |
| return _length; |
| } |
| |
| public void writePayload(DataOutput buffer) throws IOException |
| { |
| if(_buf.hasArray()) |
| { |
| buffer.write(_buf.array(), _buf.arrayOffset() + _offset, _length); |
| } |
| else |
| { |
| byte[] data = new byte[_length]; |
| ByteBuffer buf = _buf.duplicate(); |
| |
| buf.position(_offset); |
| buf.limit(_offset+_length); |
| buf.get(data); |
| buffer.write(data); |
| } |
| } |
| |
| |
| public void handle(int channelId, AMQVersionAwareProtocolSession amqProtocolSession) throws AMQException |
| { |
| throw new RuntimeException("Buffered Body only to be used for outgoing data"); |
| } |
| } |
| |
| public static AMQFrame createAMQFrame(int channelId, ByteBuffer buf, int offset, int length) |
| { |
| return new AMQFrame(channelId, new BufferContentBody(buf, offset, length)); |
| } |
| |
| public static AMQFrame createAMQFrame(int channelId, ContentBody body) |
| { |
| return new AMQFrame(channelId, body); |
| } |
| } |