1 /*
2 * $Header: /home/cvs/jakarta-commons/httpclient/src/test/org/apache/commons/httpclient/server/ResponseWriter.java,v 1.1.2.2 2003/11/24 20:41:11 oglueck Exp $
3 * $Revision: 1.1.2.2 $
4 * $Date: 2003/11/24 20:41:11 $
5 *
6 * ====================================================================
7 *
8 * The Apache Software License, Version 1.1
9 *
10 * Copyright (c) 1999-2003 The Apache Software Foundation. All rights
11 * reserved.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 *
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 *
20 * 2. Redistributions in binary form must reproduce the above copyright
21 * notice, this list of conditions and the following disclaimer in
22 * the documentation and/or other materials provided with the
23 * distribution.
24 *
25 * 3. The end-user documentation included with the redistribution, if
26 * any, must include the following acknowlegement:
27 * "This product includes software developed by the
28 * Apache Software Foundation (http://www.apache.org/)."
29 * Alternately, this acknowlegement may appear in the software itself,
30 * if and wherever such third-party acknowlegements normally appear.
31 *
32 * 4. The names "The Jakarta Project", "Commons", and "Apache Software
33 * Foundation" must not be used to endorse or promote products derived
34 * from this software without prior written permission. For written
35 * permission, please contact apache@apache.org.
36 *
37 * 5. Products derived from this software may not be called "Apache"
38 * nor may "Apache" appear in their names without prior written
39 * permission of the Apache Group.
40 *
41 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
42 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
43 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
44 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
45 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
46 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
47 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
48 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
49 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
50 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
51 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
52 * SUCH DAMAGE.
53 * ====================================================================
54 *
55 * This software consists of voluntary contributions made by many
56 * individuals on behalf of the Apache Software Foundation. For more
57 * information on the Apache Software Foundation, please see
58 * <http://www.apache.org/>.
59 *
60 * [Additional notices, if required by prior licensing conditions]
61 *
62 */
63
64 package org.apache.commons.httpclient.server;
65
66 import java.io.BufferedWriter;
67 import java.io.FilterWriter;
68 import java.io.IOException;
69 import java.io.OutputStream;
70 import java.io.OutputStreamWriter;
71 import java.io.UnsupportedEncodingException;
72
73 /***
74 * Provides a hybrid Writer/OutputStream for sending HTTP response data
75 *
76 * @author Christian Kohlschuetter
77 */
78 public class ResponseWriter extends FilterWriter {
79 public static final String CRLF = "\r\n";
80 public static final String ISO_8859_1 = "ISO-8859-1";
81 private OutputStream outStream;
82 private String encoding;
83
84 public ResponseWriter(OutputStream outStream) throws UnsupportedEncodingException {
85 this(outStream, CRLF);
86 }
87 public ResponseWriter(OutputStream outStream, String lineSeparator) throws UnsupportedEncodingException {
88 this(outStream, lineSeparator, ISO_8859_1);
89 }
90 public ResponseWriter(OutputStream outStream, String lineSeparator, String encoding) throws UnsupportedEncodingException {
91 super(new BufferedWriter(new OutputStreamWriter(outStream, encoding)));
92 this.outStream = outStream;
93 this.encoding = encoding;
94 }
95
96 public String getEncoding() {
97 return encoding;
98 }
99
100 public void close() throws IOException {
101 if(out != null) {
102 super.close();
103 out = null;
104 }
105 }
106
107 /* (non-Javadoc)
108 * @see java.io.Writer#flush()
109 */
110 public void flush() throws IOException {
111 if(out != null) {
112 super.flush();
113 outStream.flush();
114 }
115 }
116
117 public void write(byte b) throws IOException {
118 super.flush();
119 outStream.write((int)b);
120 }
121 public void write(byte[] b) throws IOException {
122 super.flush();
123 outStream.write(b);
124 }
125 public void write(byte[] b, int off, int len) throws IOException {
126 super.flush();
127 outStream.write(b,off,len);
128 }
129
130 public void print(String s) throws IOException {
131 if (s == null) {
132 s = "null";
133 }
134 write(s);
135 }
136
137 public void print(int i) throws IOException {
138 write(Integer.toString(i));
139 }
140 public void println(int i) throws IOException {
141 write(Integer.toString(i));
142 write(CRLF);
143 }
144
145 public void println(String s) throws IOException {
146 print(s);
147 write(CRLF);
148 }
149
150 public void println() throws IOException {
151 write(CRLF);
152 }
153
154
155 }
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