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
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242

/**
 *  BlueCove - Java library for Bluetooth
 *  Copyright (C) 2007-2009 Vlad Skarzhevskyy
 *
 *  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.
 *
 *  @author vlads
 *  @version $Id$
 */
package com.intel.bluetooth.obex;

import java.io.ByteArrayOutputStream;
import java.io.EOFException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InterruptedIOException;
import java.io.UnsupportedEncodingException;

import javax.obex.ResponseCodes;

/**
 * OBEX IO Utils
 *
 */
abstract class OBEXUtils {

	static void readFully(InputStream is, OBEXConnectionParams obexConnectionParams, byte[] b) throws IOException,
			EOFException {
		readFully(is, obexConnectionParams, b, 0, b.length);
	}

	static void readFully(InputStream is, OBEXConnectionParams obexConnectionParams, byte[] b, int off, int len)
			throws IOException, EOFException {
		if (len < 0) {
			throw new IndexOutOfBoundsException();
		}
		int got = 0;
		while (got < len) {
			if (obexConnectionParams.timeouts) {
				long endOfDellay = System.currentTimeMillis() + obexConnectionParams.timeout;
				int available = 0;
				do {
					available = is.available();
					if (available == 0) {
						if (System.currentTimeMillis() > endOfDellay) {
							throw new InterruptedIOException("OBEX read timeout; received " + got + " form " +  len + " expected");
						}
						try {
							Thread.sleep(100);
						} catch (InterruptedException e) {
							throw new InterruptedIOException();
						}
					}
				} while (available == 0);
			}
			int rc = is.read(b, off + got, len - got);
			if (rc < 0) {
				throw new EOFException("EOF while reading OBEX packet; received " + got + " form " +  len + " expected");
			}
			got += rc;
		}
	}

	static String newStringUTF16Simple(byte bytes[]) throws UnsupportedEncodingException {
		StringBuffer buf = new StringBuffer();
		for (int i = 0; i < bytes.length; i += 2) {
			buf.append((char) bytesToShort(bytes[i], bytes[i + 1]));
		}
		return buf.toString();
	}

	static String newStringUTF16(byte bytes[]) throws UnsupportedEncodingException {
		try {
			return new String(bytes, "UTF-16BE");
		} catch (IllegalArgumentException e) {
			// Java 1.1
			return newStringUTF16Simple(bytes);
		} catch (UnsupportedEncodingException e) {
			// IBM J9
			return newStringUTF16Simple(bytes);
		}
	}

	static byte[] getUTF16BytesSimple(String str) throws UnsupportedEncodingException {
		ByteArrayOutputStream buf = new ByteArrayOutputStream();
		int len = str.length();
		for (int i = 0; i < len; i++) {
			char c = str.charAt(i);
			buf.write(hiByte(c));
			buf.write(loByte(c));
		}
		return buf.toByteArray();
	}

	static byte[] getUTF16Bytes(String str) throws UnsupportedEncodingException {
		try {
			return str.getBytes("UTF-16BE");
		} catch (IllegalArgumentException e) {
			// Java 1.1
			return getUTF16BytesSimple(str);
		} catch (UnsupportedEncodingException e) {
			// IBM J9
			return getUTF16BytesSimple(str);
		}
	}

	static byte hiByte(int value) {
		return (byte) ((value >> 8) & 0xFF);
	}

	static byte loByte(int value) {
		return (byte) (0xFF & value);
	}

	static int bytesToShort(byte valueHi, byte valueLo) {
		return ((((int) valueHi << 8) & 0xFF00) + (valueLo & 0xFF));
	}

	public static String toStringObexResponseCodes(byte code) {
		return toStringObexResponseCodes(code & 0xFF);
	}

	public static String toStringObexResponseCodes(int code) {
		switch (code) {
		case OBEXOperationCodes.CONNECT:
			return "CONNECT";
		case OBEXOperationCodes.DISCONNECT:
			return "DISCONNECT";
		case OBEXOperationCodes.ABORT:
			return "ABORT";
		case OBEXOperationCodes.SESSION:
			return "SESSION";
		case OBEXOperationCodes.SESSION | OBEXOperationCodes.FINAL_BIT:
			return "SESSION FINAL";
		case OBEXOperationCodes.PUT:
			return "PUT";
		case OBEXOperationCodes.PUT_FINAL:
			return "PUT FINAL";
		case OBEXOperationCodes.GET:
			return "GET";
		case OBEXOperationCodes.GET_FINAL:
			return "GET FINAL";
		case OBEXOperationCodes.SETPATH:
			return "SETPATH";
		case OBEXOperationCodes.SETPATH | OBEXOperationCodes.FINAL_BIT:
			return "SETPATH FINAL";
		case OBEXOperationCodes.OBEX_RESPONSE_CONTINUE:
			return "OBEX_RESPONSE_CONTINUE";
		case ResponseCodes.OBEX_HTTP_OK:
			return "OBEX_HTTP_OK";
		case ResponseCodes.OBEX_HTTP_CREATED:
			return "OBEX_HTTP_CREATED";
		case ResponseCodes.OBEX_HTTP_ACCEPTED:
			return "OBEX_HTTP_ACCEPTED";
		case ResponseCodes.OBEX_HTTP_NOT_AUTHORITATIVE:
			return "OBEX_HTTP_NOT_AUTHORITATIVE";
		case ResponseCodes.OBEX_HTTP_NO_CONTENT:
			return "OBEX_HTTP_NO_CONTENT";
		case ResponseCodes.OBEX_HTTP_RESET:
			return "OBEX_HTTP_RESET";
		case ResponseCodes.OBEX_HTTP_PARTIAL:
			return "OBEX_HTTP_PARTIAL";
		case ResponseCodes.OBEX_HTTP_MULT_CHOICE:
			return "OBEX_HTTP_MULT_CHOICE";
		case ResponseCodes.OBEX_HTTP_MOVED_PERM:
			return "OBEX_HTTP_MOVED_PERM";
		case ResponseCodes.OBEX_HTTP_MOVED_TEMP:
			return "OBEX_HTTP_MOVED_TEMP";
		case ResponseCodes.OBEX_HTTP_SEE_OTHER:
			return "OBEX_HTTP_SEE_OTHER";
		case ResponseCodes.OBEX_HTTP_NOT_MODIFIED:
			return "OBEX_HTTP_NOT_MODIFIED";
		case ResponseCodes.OBEX_HTTP_USE_PROXY:
			return "OBEX_HTTP_USE_PROXY";
		case ResponseCodes.OBEX_HTTP_BAD_REQUEST:
			return "OBEX_HTTP_BAD_REQUEST";
		case ResponseCodes.OBEX_HTTP_UNAUTHORIZED:
			return "OBEX_HTTP_UNAUTHORIZED";
		case ResponseCodes.OBEX_HTTP_PAYMENT_REQUIRED:
			return "OBEX_HTTP_PAYMENT_REQUIRED";
		case ResponseCodes.OBEX_HTTP_FORBIDDEN:
			return "OBEX_HTTP_FORBIDDEN";
		case ResponseCodes.OBEX_HTTP_NOT_FOUND:
			return "OBEX_HTTP_NOT_FOUND";
		case ResponseCodes.OBEX_HTTP_BAD_METHOD:
			return "OBEX_HTTP_BAD_METHOD";
		case ResponseCodes.OBEX_HTTP_NOT_ACCEPTABLE:
			return "OBEX_HTTP_NOT_ACCEPTABLE";
		case ResponseCodes.OBEX_HTTP_PROXY_AUTH:
			return "OBEX_HTTP_PROXY_AUTH";
		case ResponseCodes.OBEX_HTTP_TIMEOUT:
			return "OBEX_HTTP_TIMEOUT";
		case ResponseCodes.OBEX_HTTP_CONFLICT:
			return "OBEX_HTTP_CONFLICT";
		case ResponseCodes.OBEX_HTTP_GONE:
			return "OBEX_HTTP_GONE";
		case ResponseCodes.OBEX_HTTP_LENGTH_REQUIRED:
			return "OBEX_HTTP_LENGTH_REQUIRED";
		case ResponseCodes.OBEX_HTTP_PRECON_FAILED:
			return "OBEX_HTTP_PRECON_FAILED";
		case ResponseCodes.OBEX_HTTP_ENTITY_TOO_LARGE:
			return "OBEX_HTTP_ENTITY_TOO_LARGE";
		case ResponseCodes.OBEX_HTTP_REQ_TOO_LARGE:
			return "OBEX_HTTP_REQ_TOO_LARGE";
		case ResponseCodes.OBEX_HTTP_UNSUPPORTED_TYPE:
			return "OBEX_HTTP_UNSUPPORTED_TYPE";
		case ResponseCodes.OBEX_HTTP_INTERNAL_ERROR:
			return "OBEX_HTTP_INTERNAL_ERROR";
		case ResponseCodes.OBEX_HTTP_NOT_IMPLEMENTED:
			return "OBEX_HTTP_NOT_IMPLEMENTED";
		case ResponseCodes.OBEX_HTTP_BAD_GATEWAY:
			return "OBEX_HTTP_BAD_GATEWAY";
		case ResponseCodes.OBEX_HTTP_UNAVAILABLE:
			return "OBEX_HTTP_UNAVAILABLE";
		case ResponseCodes.OBEX_HTTP_GATEWAY_TIMEOUT:
			return "OBEX_HTTP_GATEWAY_TIMEOUT";
		case ResponseCodes.OBEX_HTTP_VERSION:
			return "OBEX_HTTP_VERSION";
		case ResponseCodes.OBEX_DATABASE_FULL:
			return "OBEX_DATABASE_FULL";
		case ResponseCodes.OBEX_DATABASE_LOCKED:
			return "OBEX_DATABASE_LOCKED";
		default:
			return "Unknown 0x" + Integer.toHexString(code);
		}
	}
}