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
|
/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed 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 com.android.bluetooth.pbapclient;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.HashMap;
import java.util.Map;
import javax.obex.HeaderSet;
public final class ObexAppParameters {
private final HashMap<Byte, byte[]> mParams;
public ObexAppParameters() {
mParams = new HashMap<Byte, byte[]>();
}
public ObexAppParameters(byte[] raw) {
mParams = new HashMap<Byte, byte[]>();
if (raw != null) {
for (int i = 0; i < raw.length; ) {
if (raw.length - i < 2) {
break;
}
byte tag = raw[i++];
byte len = raw[i++];
if (raw.length - i - len < 0) {
break;
}
byte[] val = new byte[len];
System.arraycopy(raw, i, val, 0, len);
this.add(tag, val);
i += len;
}
}
}
public static ObexAppParameters fromHeaderSet(HeaderSet headerset) {
try {
byte[] raw = (byte[]) headerset.getHeader(HeaderSet.APPLICATION_PARAMETER);
return new ObexAppParameters(raw);
} catch (IOException e) {
// won't happen
}
return null;
}
public byte[] getHeader() {
int length = 0;
for (Map.Entry<Byte, byte[]> entry : mParams.entrySet()) {
length += (entry.getValue().length + 2);
}
byte[] ret = new byte[length];
int idx = 0;
for (Map.Entry<Byte, byte[]> entry : mParams.entrySet()) {
length = entry.getValue().length;
ret[idx++] = entry.getKey();
ret[idx++] = (byte) length;
System.arraycopy(entry.getValue(), 0, ret, idx, length);
idx += length;
}
return ret;
}
public void addToHeaderSet(HeaderSet headerset) {
if (mParams.size() > 0) {
headerset.setHeader(HeaderSet.APPLICATION_PARAMETER, getHeader());
}
}
public boolean exists(byte tag) {
return mParams.containsKey(tag);
}
public void add(byte tag, byte val) {
byte[] bval = ByteBuffer.allocate(1).put(val).array();
mParams.put(tag, bval);
}
public void add(byte tag, short val) {
byte[] bval = ByteBuffer.allocate(2).putShort(val).array();
mParams.put(tag, bval);
}
public void add(byte tag, int val) {
byte[] bval = ByteBuffer.allocate(4).putInt(val).array();
mParams.put(tag, bval);
}
public void add(byte tag, long val) {
byte[] bval = ByteBuffer.allocate(8).putLong(val).array();
mParams.put(tag, bval);
}
public void add(byte tag, String val) {
byte[] bval = val.getBytes();
mParams.put(tag, bval);
}
public void add(byte tag, byte[] bval) {
mParams.put(tag, bval);
}
public byte getByte(byte tag) {
byte[] bval = mParams.get(tag);
if (bval == null || bval.length < 1) {
return 0;
}
return ByteBuffer.wrap(bval).get();
}
public short getShort(byte tag) {
byte[] bval = mParams.get(tag);
if (bval == null || bval.length < 2) {
return 0;
}
return ByteBuffer.wrap(bval).getShort();
}
public int getInt(byte tag) {
byte[] bval = mParams.get(tag);
if (bval == null || bval.length < 4) {
return 0;
}
return ByteBuffer.wrap(bval).getInt();
}
public String getString(byte tag) {
byte[] bval = mParams.get(tag);
if (bval == null) {
return null;
}
return new String(bval);
}
public byte[] getByteArray(byte tag) {
byte[] bval = mParams.get(tag);
return bval;
}
@Override
public String toString() {
return mParams.toString();
}
}
|
