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The RabbitMQ Java client library allows Java applications to interface with RabbitMQ.
// The contents of this file are subject to the Mozilla Public License
// Version 1.1 (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.mozilla.org/MPL/
//
// Software distributed under the License is distributed on an "AS IS"
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
// the License for the specific language governing rights and
// limitations under the License.
//
// The Original Code is RabbitMQ.
//
// The Initial Developer of the Original Code is GoPivotal, Inc.
// Copyright (c) 2007-2013 GoPivotal, Inc. All rights reserved.
//
package com.rabbitmq.client.impl;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import com.rabbitmq.client.AMQP;
import com.rabbitmq.client.ContentHeader;
/**
* Implementation of ContentHeader - specialized by autogenerated code in AMQP.java.
*/
public abstract class AMQContentHeader implements ContentHeader {
/**
* Private API - Called by {@link AMQChannel#handleFrame}. Parses the header frame.
*/
private long bodySize;
protected AMQContentHeader() {
this.bodySize = 0;
}
protected AMQContentHeader(DataInputStream in) throws IOException {
in.readShort(); // weight not currently used
this.bodySize = in.readLong();
}
public long getBodySize() { return bodySize; }
private void writeTo(DataOutputStream out, long bodySize) throws IOException {
out.writeShort(0); // weight - not currently used
out.writeLong(bodySize);
writePropertiesTo(new ContentHeaderPropertyWriter(out));
}
/**
* Private API - Autogenerated writer for this header
*/
public abstract void writePropertiesTo(ContentHeaderPropertyWriter writer) throws IOException;
/** Public API - {@inheritDoc} */
public void appendPropertyDebugStringTo(StringBuilder acc) {
acc.append("(?)");
}
@Override public String toString() {
StringBuilder sb = new StringBuilder();
sb.append("#contentHeader<").append(getClassName()).append(">");
this.appendPropertyDebugStringTo(sb);
return sb.toString();
}
/**
* Private API - Called by {@link AMQCommand#transmit}
*/
public Frame toFrame(int channelNumber, long bodySize) throws IOException {
Frame frame = new Frame(AMQP.FRAME_HEADER, channelNumber);
DataOutputStream bodyOut = frame.getOutputStream();
bodyOut.writeShort(getClassId());
writeTo(bodyOut, bodySize);
return frame;
}
public Object clone() throws CloneNotSupportedException {
return super.clone();
}
}