001: /*
002: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003: *
004: * This file is part of Resin(R) Open Source
005: *
006: * Each copy or derived work must preserve the copyright notice and this
007: * notice unmodified.
008: *
009: * Resin Open Source is free software; you can redistribute it and/or modify
010: * it under the terms of the GNU General Public License as published by
011: * the Free Software Foundation; either version 2 of the License, or
012: * (at your option) any later version.
013: *
014: * Resin Open Source is distributed in the hope that it will be useful,
015: * but WITHOUT ANY WARRANTY; without even the implied warranty of
016: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017: * of NON-INFRINGEMENT. See the GNU General Public License for more
018: * details.
019: *
020: * You should have received a copy of the GNU General Public License
021: * along with Resin Open Source; if not, write to the
022: * Free SoftwareFoundation, Inc.
023: * 59 Temple Place, Suite 330
024: * Boston, MA 02111-1307 USA
025: *
026: * @author Scott Ferguson
027: */
028:
029: package com.caucho.server.connection;
030:
031: import com.caucho.log.Log;
032: import com.caucho.util.L10N;
033:
034: import java.io.IOException;
035: import java.io.OutputStream;
036: import java.util.logging.Logger;
037:
038: public class StreamWrapperResponseStream extends ToByteResponseStream {
039: static final Logger log = Log
040: .open(StreamWrapperResponseStream.class);
041:
042: static final L10N L = new L10N(StreamWrapperResponseStream.class);
043:
044: private OutputStream _os;
045:
046: public StreamWrapperResponseStream() {
047: }
048:
049: public void init(OutputStream os) {
050: _os = os;
051: }
052:
053: /**
054: * Writes the next chunk of data to the response stream.
055: *
056: * @param buf the buffer containing the data
057: * @param offset start offset into the buffer
058: * @param length length of the data in the buffer
059: */
060: @Override
061: protected void writeNext(byte[] buf, int offset, int length,
062: boolean isEnd) throws IOException {
063: if (_os != null)
064: _os.write(buf, offset, length);
065: }
066:
067: /**
068: * flushing
069: */
070: public void flush() throws IOException {
071: flushBuffer();
072:
073: if (_os != null)
074: _os.flush();
075: }
076:
077: /**
078: * Finish.
079: */
080: public void finish() throws IOException {
081: flushBuffer();
082:
083: /*
084: if (_writer != null)
085: _writer.flush();
086:
087: if (_os != null)
088: _os.flush();
089: */
090:
091: _os = null;
092: }
093:
094: /**
095: * Close.
096: */
097: public void close() throws IOException {
098: super .close();
099:
100: /*
101: if (_writer != null)
102: _writer.close();
103:
104: if (_os != null)
105: _os.close();
106: */
107:
108: _os = null;
109: }
110: }
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