01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: *
23: * Free Software Foundation, Inc.
24: * 59 Temple Place, Suite 330
25: * Boston, MA 02111-1307 USA
26: *
27: * @author Scott Ferguson
28: */
29:
30: package com.caucho.jsp;
31:
32: import javax.servlet.ServletOutputStream;
33: import java.io.IOException;
34: import java.io.OutputStream;
35:
36: class JspServletOutputStream extends ServletOutputStream {
37: private PageContextImpl _pageContext;
38: private OutputStream _os;
39:
40: JspServletOutputStream(PageContextImpl pageContext) {
41: _pageContext = pageContext;
42: }
43:
44: public final void write(int b) throws IOException {
45: getOutputStream().write(b);
46: }
47:
48: public final void write(byte[] buf, int offset, int len)
49: throws IOException {
50: getOutputStream().write(buf, offset, len);
51: }
52:
53: public final void flush() throws IOException {
54: if (_os != null)
55: _os.flush();
56: }
57:
58: public final void close() throws IOException {
59: }
60:
61: /**
62: * Returns the output stream.
63: */
64: private OutputStream getOutputStream() {
65: if (_os == null) {
66: _os = _pageContext.getOutputStream();
67: }
68:
69: return _os;
70: }
71:
72: void release() {
73: _os = null;
74: }
75: }
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