| /* |
| * |
| * 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; |
| |
| public class ContentHeaderBody implements AMQBody |
| { |
| public static final byte TYPE = 2; |
| |
| private int classId; |
| |
| private int weight; |
| |
| private long bodySize; |
| |
| /** must never be null */ |
| private ContentHeaderProperties properties; |
| |
| public ContentHeaderBody() |
| { |
| } |
| |
| public ContentHeaderBody(DataInput buffer, long size) throws AMQFrameDecodingException, IOException |
| { |
| classId = buffer.readUnsignedShort(); |
| weight = buffer.readUnsignedShort(); |
| bodySize = buffer.readLong(); |
| int propertyFlags = buffer.readUnsignedShort(); |
| ContentHeaderPropertiesFactory factory = ContentHeaderPropertiesFactory.getInstance(); |
| properties = factory.createContentHeaderProperties(classId, propertyFlags, buffer, (int)size - 14); |
| |
| } |
| |
| |
| public ContentHeaderBody(ContentHeaderProperties props, int classId) |
| { |
| properties = props; |
| this.classId = classId; |
| } |
| |
| public ContentHeaderBody(int classId, int weight, ContentHeaderProperties props, long bodySize) |
| { |
| this(props, classId); |
| this.weight = weight; |
| this.bodySize = bodySize; |
| } |
| |
| public byte getFrameType() |
| { |
| return TYPE; |
| } |
| |
| /** |
| * Helper method that is used currently by the persistence layer (by BDB at the moment). |
| * @param buffer |
| * @param size |
| * @return |
| * @throws AMQFrameDecodingException |
| */ |
| public static ContentHeaderBody createFromBuffer(DataInputStream buffer, long size) |
| throws AMQFrameDecodingException, AMQProtocolVersionException, IOException |
| { |
| ContentHeaderBody body = new ContentHeaderBody(buffer, size); |
| |
| return body; |
| } |
| |
| public int getSize() |
| { |
| return 2 + 2 + 8 + 2 + properties.getPropertyListSize(); |
| } |
| |
| public void writePayload(DataOutput buffer) throws IOException |
| { |
| EncodingUtils.writeUnsignedShort(buffer, classId); |
| EncodingUtils.writeUnsignedShort(buffer, weight); |
| buffer.writeLong(bodySize); |
| EncodingUtils.writeUnsignedShort(buffer, properties.getPropertyFlags()); |
| properties.writePropertyListPayload(buffer); |
| } |
| |
| public void handle(final int channelId, final AMQVersionAwareProtocolSession session) |
| throws AMQException |
| { |
| session.contentHeaderReceived(channelId, this); |
| } |
| |
| public static AMQFrame createAMQFrame(int channelId, int classId, int weight, BasicContentHeaderProperties properties, |
| long bodySize) |
| { |
| return new AMQFrame(channelId, new ContentHeaderBody(classId, weight, properties, bodySize)); |
| } |
| |
| public static AMQFrame createAMQFrame(int channelId, ContentHeaderBody body) |
| { |
| return new AMQFrame(channelId, body); |
| } |
| |
| public ContentHeaderProperties getProperties() |
| { |
| return properties; |
| } |
| |
| public void setProperties(ContentHeaderProperties props) |
| { |
| properties = props; |
| } |
| |
| @Override |
| public String toString() |
| { |
| return "ContentHeaderBody{" + |
| "classId=" + classId + |
| ", weight=" + weight + |
| ", bodySize=" + bodySize + |
| ", properties=" + properties + |
| '}'; |
| } |
| |
| public int getClassId() |
| { |
| return classId; |
| } |
| |
| public int getWeight() |
| { |
| return weight; |
| } |
| |
| /** unsigned long but java can't handle that anyway when allocating byte array */ |
| public long getBodySize() |
| { |
| return bodySize; |
| } |
| |
| public void setBodySize(long bodySize) |
| { |
| this.bodySize = bodySize; |
| } |
| } |