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
|
/*
* 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.tomcat.websocket.pojo;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.lang.reflect.Method;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
import javax.websocket.DecodeException;
import javax.websocket.Decoder;
import javax.websocket.Decoder.Binary;
import javax.websocket.Decoder.BinaryStream;
import javax.websocket.EndpointConfig;
import javax.websocket.Session;
import org.apache.tomcat.util.res.StringManager;
/**
* ByteBuffer specific concrete implementation for handling whole messages.
*/
public class PojoMessageHandlerWholeBinary
extends PojoMessageHandlerWholeBase<ByteBuffer> {
private static final StringManager sm =
StringManager.getManager(Constants.PACKAGE_NAME);
private final List<Decoder> decoders = new ArrayList<Decoder>();
private final boolean isForInputStream;
public PojoMessageHandlerWholeBinary(Object pojo, Method method,
Session session, EndpointConfig config,
List<Class<? extends Decoder>> decoderClazzes, Object[] params,
int indexPayload, boolean convert, int indexSession,
boolean isForInputStream, long maxMessageSize) {
super(pojo, method, session, params, indexPayload, convert,
indexSession, maxMessageSize);
// Update binary text size handled by session
if (maxMessageSize > -1 && maxMessageSize > session.getMaxBinaryMessageBufferSize()) {
if (maxMessageSize > Integer.MAX_VALUE) {
throw new IllegalArgumentException(sm.getString(
"pojoMessageHandlerWhole.maxBufferSize"));
}
session.setMaxBinaryMessageBufferSize((int) maxMessageSize);
}
try {
if (decoderClazzes != null) {
for (Class<? extends Decoder> decoderClazz : decoderClazzes) {
if (Binary.class.isAssignableFrom(decoderClazz)) {
Binary<?> decoder =
(Binary<?>) decoderClazz.newInstance();
decoder.init(config);
decoders.add(decoder);
} else if (BinaryStream.class.isAssignableFrom(
decoderClazz)) {
BinaryStream<?> decoder =
(BinaryStream<?>) decoderClazz.newInstance();
decoder.init(config);
decoders.add(decoder);
} else {
// Text decoder - ignore it
}
}
}
} catch (IllegalAccessException e) {
throw new IllegalArgumentException(e);
} catch (InstantiationException e) {
throw new IllegalArgumentException(e);
}
this.isForInputStream = isForInputStream;
}
@Override
protected Object decode(ByteBuffer message) throws DecodeException {
for (Decoder decoder : decoders) {
if (decoder instanceof Binary) {
if (((Binary<?>) decoder).willDecode(message)) {
return ((Binary<?>) decoder).decode(message);
}
} else {
byte[] array = new byte[message.limit() - message.position()];
message.get(array);
ByteArrayInputStream bais = new ByteArrayInputStream(array);
try {
return ((BinaryStream<?>) decoder).decode(bais);
} catch (IOException ioe) {
throw new DecodeException(message, sm.getString(
"pojoMessageHandlerWhole.decodeIoFail"), ioe);
}
}
}
return null;
}
@Override
protected Object convert(ByteBuffer message) {
byte[] array = new byte[message.remaining()];
message.get(array);
if (isForInputStream) {
return new ByteArrayInputStream(array);
} else {
return array;
}
}
@Override
protected void onClose() {
for (Decoder decoder : decoders) {
decoder.destroy();
}
}
}
|
