/**
* 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.activemq.apollo.amqp.hawtdispatch;
import org.fusesource.hawtbuf.Buffer;
/**
* @author <a href="http://hiramchirino.com">Hiram Chirino</a>
*/
public class AmqpHeader {
static final Buffer PREFIX = new Buffer(new byte[]{
'A', 'M', 'Q', 'P'
});
private Buffer buffer;
public AmqpHeader(){
this(new Buffer(new byte[]{
'A', 'M', 'Q', 'P', 0, 1, 0, 0
}));
}
public AmqpHeader(Buffer buffer){
setBuffer(buffer);
}
public int getProtocolId() {
return buffer.get(4) & 0xFF;
}
public void setProtocolId(int value) {
buffer.data[buffer.offset+4] = (byte) value;
}
public int getMajor() {
return buffer.get(5) & 0xFF;
}
public void setMajor(int value) {
buffer.data[buffer.offset+5] = (byte) value;
}
public int getMinor() {
return buffer.get(6) & 0xFF;
}
public void setMinor(int value) {
buffer.data[buffer.offset+6] = (byte) value;
}
public int getRevision() {
return buffer.get(7) & 0xFF;
}
public void setRevision(int value) {
buffer.data[buffer.offset+7] = (byte) value;
}
public Buffer getBuffer() {
return buffer;
}
public void setBuffer(Buffer value) {
if( !value.startsWith(PREFIX) || value.length()!=8 ) {
throw new IllegalArgumentException("Not an AMQP header buffer");
}
buffer = value.buffer();
}
@Override
public String toString() {
return buffer.toString();
}
}