-
Notifications
You must be signed in to change notification settings - Fork 240
/
RdioScannerBuilder.java
227 lines (192 loc) · 5.62 KB
/
RdioScannerBuilder.java
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
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
/*
* *****************************************************************************
* Copyright (C) 2014-2020 Dennis Sheirer
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
* ****************************************************************************
*/
package io.github.dsheirer.audio.broadcast.rdioscanner;
import java.net.http.HttpRequest;
import java.util.ArrayList;
import java.util.List;
import java.lang.*;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
/**
* Builder for an HTTP body publisher to produce a RdioScanner call event
*/
public class RdioScannerBuilder
{
private static final String DASH_DASH = "--";
private static final String BOUNDARY = "--sdrtrunk-sdrtrunk-sdrtrunk";
private List<Part> mParts = new ArrayList<>();
private byte[] audioBytes = null;
private String audioName = null;
/**
* Constructs an instance
*/
public RdioScannerBuilder()
{
}
/**
* Access the static multi-part boundary string
*/
public String getBoundary()
{
return BOUNDARY;
}
/**
* Adds a Audio file name part to the call
*/
public RdioScannerBuilder addAudioName(String value)
{
audioName = value;
return this;
}
/**
* Adds a Audio bytes part to the call
*/
public RdioScannerBuilder addFile(byte[] value)
{
audioBytes = value;
return this;
}
/**
* Adds a string part to the call
*/
public RdioScannerBuilder addPart(FormField key, String value)
{
if(key != null && value != null)
{
mParts.add(new Part(key.getHeader(), value));
}
return this;
}
/**
* Adds a number part to the call
*/
public RdioScannerBuilder addPart(FormField key, Number value)
{
if(key != null && value != null)
{
mParts.add(new Part(key.getHeader(), value.toString()));
}
return this;
}
/**
* Creates a form-data item
*/
private static String formatPart(Part part, String boundary)
{
StringBuilder sb = new StringBuilder();
sb.append(DASH_DASH).append(boundary).append("\r\n");
sb.append("Content-Disposition: form-data; name=\"").append(part.mKey).append("\"\r\n\r\n");
sb.append(part.getValue()).append("\r\n");
return sb.toString();
}
/**
* Creates the audio file item
*/
private String formatFilePart(String boundary)
{
if(audioBytes == null)
{
return "";
}
StringBuilder sb= new StringBuilder();
sb.append(DASH_DASH).append(boundary).append("\r\n");
sb.append("Content-Disposition: form-data; filename =\"").append(audioName);
sb.append("\"; name=\"").append("audio").append("\"\r\n\r\n");
return sb.toString();
}
/**
* Creates the boundary closing item
*/
private static String getClosingBoundary(String boundary)
{
StringBuilder sb = new StringBuilder();
sb.append(DASH_DASH).append(boundary).append(DASH_DASH).append("\r\n");
return sb.toString();
}
/**
* Creates a BodyPublisher for accessing the call form data
*/
public HttpRequest.BodyPublisher build()
{
StringBuilder sb = new StringBuilder();
for(Part part: mParts)
{
sb.append(formatPart(part, BOUNDARY));
}
sb.append(formatFilePart(BOUNDARY));
/**
* We need to create a ByteArray consisting of the Sting "parts" and the audio file bytes
*/
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
try
{
outputStream.write(sb.toString().getBytes());
if(audioBytes != null)
{
outputStream.write(audioBytes);
}
sb = new StringBuilder();
sb.append("\r\n");
sb.append(getClosingBoundary(BOUNDARY));
outputStream.write(sb.toString().getBytes());
}
catch(IOException e)
{
//mLog.error("Rdio Scanner API - unable to create POST reqeust.");
}
return HttpRequest.BodyPublishers.ofByteArray(outputStream.toByteArray());
}
@Override
public String toString()
{
StringBuilder sb = new StringBuilder();
for(Part part: mParts)
{
sb.append(formatPart(part, BOUNDARY));
}
sb.append(getClosingBoundary(BOUNDARY));
return sb.toString();
}
/**
* Key:Value pair holder
*/
public class Part
{
private String mKey;
private String mValue;
/**
* Constructs a new part
* @param key value
* @param value item
*/
public Part(String key, String value)
{
mKey = key;
mValue = value;
}
public String getKey()
{
return mKey;
}
public String getValue()
{
return mValue;
}
}
}