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package org.webmacro; |
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import java.io.IOException; |
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import java.io.OutputStream; |
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import java.io.OutputStreamWriter; |
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import java.io.UnsupportedEncodingException; |
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import java.io.Writer; |
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import org.webmacro.util.ByteBufferOutputStream; |
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import org.webmacro.util.Encoder; |
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import org.webmacro.util.EncoderProvider; |
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public class FastWriter extends Writer |
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{ |
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public static final String SAFE_UNICODE_ENCODING; |
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static |
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{ |
70 | 38 | String encoding = "UTF16-BE"; |
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try |
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{ |
73 | 38 | encoding.getBytes(encoding); |
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} |
75 | 38 | catch (Exception e) |
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{ |
77 | 38 | encoding = "UTF8"; |
78 | 0 | } |
79 | 38 | SAFE_UNICODE_ENCODING = encoding; |
80 | 38 | } |
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private final int DEFAULT_BUFFER_SIZE; |
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private final String _encoding; |
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private final Writer _bwriter; |
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private final ByteBufferOutputStream _bstream; |
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private final Encoder _encoder; |
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private OutputStream _out; |
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91 | 1746 | private char[] _cbuf = new char[512]; |
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private boolean _buffered; |
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public FastWriter (Broker broker, OutputStream out, String encoding) |
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throws UnsupportedEncodingException |
101 | 1746 | { |
102 | 1746 | DEFAULT_BUFFER_SIZE = broker.getSettings().getIntegerSetting("FastWriter.DefaultBufferSize", 4096); |
103 | 1746 | _encoding = hackEncoding(encoding); |
104 | 1746 | _bstream = new ByteBufferOutputStream(DEFAULT_BUFFER_SIZE); |
105 | 1746 | _bwriter = new OutputStreamWriter(_bstream, _encoding); |
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try |
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{ |
110 | 1746 | _encoder = (Encoder) broker.get(EncoderProvider.TYPE, _encoding); |
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} |
112 | 0 | catch (ResourceException re) |
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{ |
114 | 0 | throw new UnsupportedEncodingException(re.getMessage()); |
115 | 1746 | } |
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117 | 1746 | _buffered = false; |
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119 | 1746 | _out = out; |
120 | 1746 | } |
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private static String hackEncoding (String encoding) |
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{ |
133 | 1746 | if (encoding.toLowerCase().startsWith("cp") && |
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!encoding.startsWith("Cp")) |
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{ |
136 | 0 | encoding = "Cp".concat(encoding.substring(2)); |
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} |
138 | 1746 | return encoding; |
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} |
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public FastWriter (Broker broker, String encoding) |
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throws java.io.UnsupportedEncodingException |
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{ |
148 | 0 | this(broker, null, encoding); |
149 | 0 | } |
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public String getEncoding () |
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{ |
158 | 0 | return _encoding; |
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} |
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public Encoder getEncoder () |
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{ |
167 | 6943 | return _encoder; |
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} |
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public OutputStream getOutputStream () |
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{ |
176 | 0 | return _out; |
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} |
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public void write (char[] cbuf) throws java.io.IOException |
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{ |
185 | 0 | _bwriter.write(cbuf, 0, cbuf.length); |
186 | 0 | _buffered = true; |
187 | 0 | } |
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public void write (char[] cbuf, int offset, int len) throws java.io.IOException |
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{ |
195 | 0 | _bwriter.write(cbuf, offset, len); |
196 | 0 | _buffered = true; |
197 | 0 | } |
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public void write (int c) throws java.io.IOException |
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{ |
204 | 0 | _bwriter.write(c); |
205 | 0 | _buffered = true; |
206 | 0 | } |
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public void write (final String s) throws java.io.IOException |
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{ |
214 | 1982 | final int len = s.length(); |
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try |
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{ |
217 | 1982 | s.getChars(0, len, _cbuf, 0); |
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} |
219 | 8 | catch (IndexOutOfBoundsException e) |
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{ |
221 | 8 | _cbuf = new char[len + (len - _cbuf.length)]; |
222 | 8 | s.getChars(0, len, _cbuf, 0); |
223 | 1974 | } |
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225 | 1982 | _bwriter.write(_cbuf, 0, len); |
226 | 1982 | _buffered = true; |
227 | 1982 | } |
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public void write (final String s, final int off, final int len) throws java.io.IOException |
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{ |
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try |
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{ |
237 | 0 | s.getChars(off, off + len, _cbuf, 0); |
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} |
239 | 0 | catch (IndexOutOfBoundsException e) |
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{ |
241 | 0 | _cbuf = new char[len + (len - _cbuf.length)]; |
242 | 0 | s.getChars(off, off + len, _cbuf, 0); |
243 | 0 | } |
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|
245 | 0 | _bwriter.write(_cbuf, 0, len); |
246 | 0 | _buffered = true; |
247 | 0 | } |
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public void writeStatic (final String s) |
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{ |
256 | 0 | if (_buffered) |
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{ |
258 | 0 | bflush(); |
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} |
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try |
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{ |
262 | 0 | byte[] b = _encoder.encode(s); |
263 | 0 | _bstream.write(b, 0, b.length); |
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} |
265 | 0 | catch (UnsupportedEncodingException uee) |
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{ |
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|
268 | 0 | uee.printStackTrace(); |
269 | 0 | } |
270 | 0 | } |
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public void write (byte[] rawBytes) |
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{ |
278 | 0 | if (_buffered) |
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{ |
280 | 0 | bflush(); |
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} |
282 | 0 | _bstream.write(rawBytes); |
283 | 0 | } |
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public void write (byte[] rawBytes, int offset, int len) |
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{ |
291 | 15975 | if (_buffered) |
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{ |
293 | 1975 | bflush(); |
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} |
295 | 15975 | _bstream.write(rawBytes, offset, len); |
296 | 15975 | } |
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private void bflush () |
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{ |
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try |
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{ |
302 | 1981 | _bwriter.flush(); |
303 | 1981 | _buffered = false; |
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} |
305 | 0 | catch (IOException e) |
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{ |
307 | 0 | e.printStackTrace(); |
308 | 1981 | } |
309 | 1981 | } |
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public void flush () throws IOException |
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{ |
322 | 1710 | if (_buffered) |
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{ |
324 | 0 | bflush(); |
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} |
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|
327 | 1710 | if (_out != null) |
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{ |
329 | 14 | writeTo(_out); |
330 | 14 | _out.flush(); |
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} |
332 | 1710 | _bstream.reset(); |
333 | 1710 | } |
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public int size () throws IOException |
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{ |
341 | 0 | if (_buffered) |
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{ |
343 | 0 | bflush(); |
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} |
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|
346 | 0 | return _bstream.size(); |
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} |
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public byte[] toByteArray () |
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{ |
354 | 3 | if (_buffered) |
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{ |
356 | 0 | bflush(); |
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} |
358 | 3 | return _bstream.getBytes(); |
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} |
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public String toString () |
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{ |
366 | 1693 | if (_buffered) |
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{ |
368 | 6 | bflush(); |
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} |
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try |
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{ |
372 | 1693 | return _bstream.toString(_encoding); |
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} |
374 | 0 | catch (UnsupportedEncodingException e) |
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{ |
376 | 0 | e.printStackTrace(); |
377 | 0 | return null; |
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} |
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} |
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public void writeTo (OutputStream out) throws IOException |
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{ |
386 | 14 | if (_buffered) |
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{ |
388 | 0 | bflush(); |
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} |
390 | 14 | _bstream.writeTo(out); |
391 | 14 | } |
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public void reset (OutputStream out) |
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{ |
399 | 0 | if (_buffered) |
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{ |
401 | 0 | bflush(); |
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} |
403 | 0 | _bstream.reset(); |
404 | 0 | _out = out; |
405 | 0 | } |
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public static FastWriter getInstance (Broker broker, OutputStream out, |
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String encoding) |
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throws UnsupportedEncodingException |
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{ |
415 | 1746 | return new FastWriter(broker, out, encoding); |
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} |
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public static FastWriter getInstance (Broker broker, OutputStream out) |
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throws UnsupportedEncodingException |
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{ |
425 | 0 | return getInstance(broker, out, SAFE_UNICODE_ENCODING); |
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} |
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public static FastWriter getInstance (Broker broker, String encoding) |
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throws UnsupportedEncodingException |
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{ |
434 | 3 | return getInstance(broker, null, encoding); |
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} |
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public static FastWriter getInstance (Broker broker) |
441 | |
{ |
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try |
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{ |
444 | 1731 | return getInstance(broker, null, SAFE_UNICODE_ENCODING); |
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} |
446 | 0 | catch (UnsupportedEncodingException e) |
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{ |
448 | 0 | e.printStackTrace(); |
449 | 0 | return null; |
450 | |
} |
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} |
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|
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public void close () throws IOException |
454 | |
{ |
455 | 1703 | flush(); |
456 | 1703 | if (_out != null) |
457 | |
{ |
458 | 7 | _out.close(); |
459 | 7 | _out = null; |
460 | |
} |
461 | 1703 | } |
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} |
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