1 // ========================================================================
2 // Copyright (c) 2004-2009 Mort Bay Consulting Pty. Ltd.
3 // ------------------------------------------------------------------------
4 // All rights reserved. This program and the accompanying materials
5 // are made available under the terms of the Eclipse Public License v1.0
6 // and Apache License v2.0 which accompanies this distribution.
7 // The Eclipse Public License is available at
8 // http://www.eclipse.org/legal/epl-v10.html
9 // The Apache License v2.0 is available at
10 // http://www.opensource.org/licenses/apache2.0.php
11 // You may elect to redistribute this code under either of these licenses.
12 // ========================================================================
13
14 package org.eclipse.jetty.io;
15
16 import java.io.IOException;
17
18
19
20 /* ------------------------------------------------------------ */
21 /** ByteArrayEndPoint.
22 *
23 *
24 */
25 public class ByteArrayEndPoint implements ConnectedEndPoint
26 {
27 protected byte[] _inBytes;
28 protected ByteArrayBuffer _in;
29 protected ByteArrayBuffer _out;
30 protected boolean _closed;
31 protected boolean _nonBlocking;
32 protected boolean _growOutput;
33 protected Connection _connection;
34 protected int _maxIdleTime;
35
36
37 /* ------------------------------------------------------------ */
38 /**
39 *
40 */
41 public ByteArrayEndPoint()
42 {
43 }
44
45 /* ------------------------------------------------------------ */
46 /**
47 * @see org.eclipse.jetty.io.ConnectedEndPoint#getConnection()
48 */
49 public Connection getConnection()
50 {
51 return _connection;
52 }
53
54 /* ------------------------------------------------------------ */
55 /**
56 * @see org.eclipse.jetty.io.ConnectedEndPoint#setConnection(org.eclipse.jetty.io.Connection)
57 */
58 public void setConnection(Connection connection)
59 {
60 _connection=connection;
61 }
62
63 /* ------------------------------------------------------------ */
64 /**
65 * @return the nonBlocking
66 */
67 public boolean isNonBlocking()
68 {
69 return _nonBlocking;
70 }
71
72 /* ------------------------------------------------------------ */
73 /**
74 * @param nonBlocking the nonBlocking to set
75 */
76 public void setNonBlocking(boolean nonBlocking)
77 {
78 _nonBlocking=nonBlocking;
79 }
80
81 /* ------------------------------------------------------------ */
82 /**
83 *
84 */
85 public ByteArrayEndPoint(byte[] input, int outputSize)
86 {
87 _inBytes=input;
88 _in=new ByteArrayBuffer(input);
89 _out=new ByteArrayBuffer(outputSize);
90 }
91
92 /* ------------------------------------------------------------ */
93 /**
94 * @return Returns the in.
95 */
96 public ByteArrayBuffer getIn()
97 {
98 return _in;
99 }
100 /* ------------------------------------------------------------ */
101 /**
102 * @param in The in to set.
103 */
104 public void setIn(ByteArrayBuffer in)
105 {
106 _in = in;
107 }
108 /* ------------------------------------------------------------ */
109 /**
110 * @return Returns the out.
111 */
112 public ByteArrayBuffer getOut()
113 {
114 return _out;
115 }
116 /* ------------------------------------------------------------ */
117 /**
118 * @param out The out to set.
119 */
120 public void setOut(ByteArrayBuffer out)
121 {
122 _out = out;
123 }
124
125 /* ------------------------------------------------------------ */
126 /*
127 * @see org.eclipse.io.EndPoint#isOpen()
128 */
129 public boolean isOpen()
130 {
131 return !_closed;
132 }
133
134 /* ------------------------------------------------------------ */
135 /*
136 * @see org.eclipse.jetty.io.EndPoint#isInputShutdown()
137 */
138 public boolean isInputShutdown()
139 {
140 return _closed;
141 }
142
143 /* ------------------------------------------------------------ */
144 /*
145 * @see org.eclipse.jetty.io.EndPoint#isOutputShutdown()
146 */
147 public boolean isOutputShutdown()
148 {
149 return _closed;
150 }
151
152 /* ------------------------------------------------------------ */
153 /*
154 * @see org.eclipse.io.EndPoint#isBlocking()
155 */
156 public boolean isBlocking()
157 {
158 return !_nonBlocking;
159 }
160
161 /* ------------------------------------------------------------ */
162 public boolean blockReadable(long millisecs)
163 {
164 return true;
165 }
166
167 /* ------------------------------------------------------------ */
168 public boolean blockWritable(long millisecs)
169 {
170 return true;
171 }
172
173 /* ------------------------------------------------------------ */
174 /*
175 * @see org.eclipse.io.EndPoint#shutdownOutput()
176 */
177 public void shutdownOutput() throws IOException
178 {
179 close();
180 }
181
182 /* ------------------------------------------------------------ */
183 /*
184 * @see org.eclipse.io.EndPoint#shutdownInput()
185 */
186 public void shutdownInput() throws IOException
187 {
188 close();
189 }
190
191 /* ------------------------------------------------------------ */
192 /*
193 * @see org.eclipse.io.EndPoint#close()
194 */
195 public void close() throws IOException
196 {
197 _closed=true;
198 }
199
200 /* ------------------------------------------------------------ */
201 /*
202 * @see org.eclipse.io.EndPoint#fill(org.eclipse.io.Buffer)
203 */
204 public int fill(Buffer buffer) throws IOException
205 {
206 if (_closed)
207 throw new IOException("CLOSED");
208
209 if (_in!=null && _in.length()>0)
210 {
211 int len = buffer.put(_in);
212 _in.skip(len);
213 return len;
214 }
215
216 if (_in!=null && _in.length()==0 && _nonBlocking)
217 return 0;
218
219 close();
220 return -1;
221 }
222
223 /* ------------------------------------------------------------ */
224 /*
225 * @see org.eclipse.io.EndPoint#flush(org.eclipse.io.Buffer)
226 */
227 public int flush(Buffer buffer) throws IOException
228 {
229 if (_closed)
230 throw new IOException("CLOSED");
231 if (_growOutput && buffer.length()>_out.space())
232 {
233 _out.compact();
234
235 if (buffer.length()>_out.space())
236 {
237 ByteArrayBuffer n = new ByteArrayBuffer(_out.putIndex()+buffer.length());
238
239 n.put(_out.peek(0,_out.putIndex()));
240 if (_out.getIndex()>0)
241 {
242 n.mark();
243 n.setGetIndex(_out.getIndex());
244 }
245 _out=n;
246 }
247 }
248 int len = _out.put(buffer);
249 buffer.skip(len);
250 return len;
251 }
252
253 /* ------------------------------------------------------------ */
254 /*
255 * @see org.eclipse.io.EndPoint#flush(org.eclipse.io.Buffer, org.eclipse.io.Buffer, org.eclipse.io.Buffer)
256 */
257 public int flush(Buffer header, Buffer buffer, Buffer trailer) throws IOException
258 {
259 if (_closed)
260 throw new IOException("CLOSED");
261
262 int flushed=0;
263
264 if (header!=null && header.length()>0)
265 flushed=flush(header);
266
267 if (header==null || header.length()==0)
268 {
269 if (buffer!=null && buffer.length()>0)
270 flushed+=flush(buffer);
271
272 if (buffer==null || buffer.length()==0)
273 {
274 if (trailer!=null && trailer.length()>0)
275 {
276 flushed+=flush(trailer);
277 }
278 }
279 }
280
281 return flushed;
282 }
283
284 /* ------------------------------------------------------------ */
285 /**
286 *
287 */
288 public void reset()
289 {
290 _closed=false;
291 _in.clear();
292 _out.clear();
293 if (_inBytes!=null)
294 _in.setPutIndex(_inBytes.length);
295 }
296
297 /* ------------------------------------------------------------ */
298 /*
299 * @see org.eclipse.io.EndPoint#getLocalAddr()
300 */
301 public String getLocalAddr()
302 {
303 return null;
304 }
305
306 /* ------------------------------------------------------------ */
307 /*
308 * @see org.eclipse.io.EndPoint#getLocalHost()
309 */
310 public String getLocalHost()
311 {
312 return null;
313 }
314
315 /* ------------------------------------------------------------ */
316 /*
317 * @see org.eclipse.io.EndPoint#getLocalPort()
318 */
319 public int getLocalPort()
320 {
321 return 0;
322 }
323
324 /* ------------------------------------------------------------ */
325 /*
326 * @see org.eclipse.io.EndPoint#getRemoteAddr()
327 */
328 public String getRemoteAddr()
329 {
330 return null;
331 }
332
333 /* ------------------------------------------------------------ */
334 /*
335 * @see org.eclipse.io.EndPoint#getRemoteHost()
336 */
337 public String getRemoteHost()
338 {
339 return null;
340 }
341
342 /* ------------------------------------------------------------ */
343 /*
344 * @see org.eclipse.io.EndPoint#getRemotePort()
345 */
346 public int getRemotePort()
347 {
348 return 0;
349 }
350
351 /* ------------------------------------------------------------ */
352 /*
353 * @see org.eclipse.io.EndPoint#getConnection()
354 */
355 public Object getTransport()
356 {
357 return _inBytes;
358 }
359
360 /* ------------------------------------------------------------ */
361 public void flush() throws IOException
362 {
363 }
364
365 /* ------------------------------------------------------------ */
366 public boolean isBufferingInput()
367 {
368 return false;
369 }
370
371 /* ------------------------------------------------------------ */
372 public boolean isBufferingOutput()
373 {
374 return false;
375 }
376
377 /* ------------------------------------------------------------ */
378 public boolean isBufferred()
379 {
380 return false;
381 }
382
383 /* ------------------------------------------------------------ */
384 /**
385 * @return the growOutput
386 */
387 public boolean isGrowOutput()
388 {
389 return _growOutput;
390 }
391
392 /* ------------------------------------------------------------ */
393 /**
394 * @param growOutput the growOutput to set
395 */
396 public void setGrowOutput(boolean growOutput)
397 {
398 _growOutput=growOutput;
399 }
400
401 /* ------------------------------------------------------------ */
402 /**
403 * @see org.eclipse.jetty.io.EndPoint#getMaxIdleTime()
404 */
405 public int getMaxIdleTime()
406 {
407 return _maxIdleTime;
408 }
409
410 /* ------------------------------------------------------------ */
411 /**
412 * @see org.eclipse.jetty.io.EndPoint#setMaxIdleTime(int)
413 */
414 public void setMaxIdleTime(int timeMs) throws IOException
415 {
416 _maxIdleTime=timeMs;
417 }
418
419
420 }