1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/*
*
* 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.mina.common.ByteBuffer;
import org.apache.qpid.AMQChannelException;
public abstract class AMQMethodBody extends AMQBody
{
public static final byte TYPE = 1;
/** unsigned short */
protected abstract int getBodySize();
/**
* @return unsigned short
*/
protected abstract int getClazz();
/**
* @return unsigned short
*/
protected abstract int getMethod();
protected abstract void writeMethodPayload(ByteBuffer buffer);
protected byte getType()
{
return TYPE;
}
protected int getSize()
{
return 2 + 2 + getBodySize();
}
protected void writePayload(ByteBuffer buffer)
{
EncodingUtils.writeUnsignedShort(buffer, getClazz());
EncodingUtils.writeUnsignedShort(buffer, getMethod());
writeMethodPayload(buffer);
}
protected abstract void populateMethodBodyFromBuffer(ByteBuffer buffer) throws AMQFrameDecodingException;
protected void populateFromBuffer(ByteBuffer buffer, long size) throws AMQFrameDecodingException
{
populateMethodBodyFromBuffer(buffer);
}
public String toString()
{
StringBuffer buf = new StringBuffer(getClass().toString());
buf.append(" Class: ").append(getClazz());
buf.append(" Method: ").append(getMethod());
return buf.toString();
}
/**
* Creates an AMQChannelException for the corresponding body type (a channel exception
* should include the class and method ids of the body it resulted from).
*/
public AMQChannelException getChannelException(int code, String message)
{
return new AMQChannelException(code, message, getClazz(), getMethod());
}
public AMQChannelException getChannelException(int code, String message, Throwable cause)
{
return new AMQChannelException(code, message, getClazz(), getMethod(), cause);
}
}
|
