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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
&{${CLASS}ContentHeaderProperties.java}
/*
*
* 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.
*
*/
/*
* This file is auto-generated by ${GENERATOR} - do not modify.
* Supported AMQP versions:
%{VLIST} * ${major}-${minor}
*/
package org.apache.qpid.framing;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.mina.common.ByteBuffer;
public class ${CLASS}ContentHeaderProperties implements ContentHeaderProperties
{
private static final Logger logger = LoggerFactory.getLogger(BasicContentHeaderProperties.class);
/**
* We store the encoded form when we decode the content header so that if we need to
* write it out without modifying it we can do so without incurring the expense of
* reencoding it.
*/
private byte[] encodedBuffer;
/**
* Flag indicating whether the entire content header has been decoded yet.
*/
private boolean decodedFlag = true;
/**
* We have some optimisations for partial decoding for maximum performance. The
* headers are used in the broker for routing in some cases so we can decode that
* separately.
*/
private boolean decodedHeadersFlag = true;
/**
* We have some optimisations for partial decoding for maximum performance. The
* content type is used by all clients to determine the message type.
*/
private boolean decodedContentTypeFlag = true;
/**
* AMQP major and minor version of this instance.
*/
private byte major;
private byte minor;
/**
* Property flags.
*/
${pch_property_flags_declare}
// Header fields from specification
%{FLIST} ${field_declaration}
/**
* Constructor
*/
public ${CLASS}ContentHeaderProperties(byte major, byte minor)
{
this.major = major;
this.minor = minor;
// Although one flag is initialized per property, the flags are used
// in ordinal order of the AMQP version represented by this instance,
// thus the number of flags actually used may be less than the total
// number defined.
${pch_property_flags_initializer}
}
public int getPropertyListSize()
{
if (encodedBuffer != null)
{
return encodedBuffer.length;
}
else
{
int size = 0;
%{FLIST} ${pch_field_list_size}
return size;
}
}
private void clearEncodedForm()
{
if (!decodedFlag && encodedBuffer != null)
{
//decode();
}
encodedBuffer = null;
}
public void setPropertyFlags(int[] compactPropertyFlags)
throws AMQProtocolVersionException
{
clearEncodedForm();
${pch_compact_property_flags_check}
%{FLIST} ${pch_set_compact_property_flags}
}
public int[] getPropertyFlags()
{
int[] compactPropertyFlags = new int[] { 0 };
${pch_compact_property_flags_initializer}
%{FLIST} ${pch_get_compact_property_flags}
return compactPropertyFlags;
}
public void writePropertyListPayload(ByteBuffer buffer)
{
if (encodedBuffer != null)
{
buffer.put(encodedBuffer);
}
else
{
%{FLIST} ${pch_field_list_payload}
}
}
public void populatePropertiesFromBuffer(ByteBuffer buffer, int[] propertyFlags, int size)
throws AMQFrameDecodingException, AMQProtocolVersionException
{
setPropertyFlags(propertyFlags);
if (logger.isDebugEnabled())
{
logger.debug("Property flags: " + propertyFlags);
}
decode(buffer);
/*encodedBuffer = new byte[size];
buffer.get(encodedBuffer, 0, size);
decodedFlag = false;
decodedHeadersFlag = false;
decodedContentTypeFlag = false;*/
}
private void decode(ByteBuffer buffer)
{
//ByteBuffer buffer = ByteBuffer.wrap(encodedBuffer);
int pos = buffer.position();
try
{
%{FLIST} ${pch_field_list_decode}
// This line does nothing, but prevents a compiler error (Exception not thrown)
// if this block is empty.
if (false) throw new AMQFrameDecodingException("");
}
catch (AMQFrameDecodingException e)
{
throw new RuntimeException("Error in content header data: " + e);
}
final int endPos = buffer.position();
buffer.position(pos);
final int len = endPos - pos;
encodedBuffer = new byte[len];
final int limit = buffer.limit();
buffer.limit(endPos);
buffer.get(encodedBuffer, 0, len);
buffer.limit(limit);
buffer.position(endPos);
decodedFlag = true;
}
private void decodeIfNecessary()
{
if (!decodedFlag)
{
//decode();
}
}
// Field clear methods
%{FLIST} ${pch_field_clear_methods}
// Field get methods
%{FLIST} ${pch_field_get_methods}
// Field set methods
%{FLIST} ${pch_field_set_methods}
}
|
