001 package echopoint.util.io;
002 /*
003 * This file is part of the Echo Point Project. This project is a collection
004 * of Components that have extended the Echo Web Application Framework.
005 *
006 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
007 *
008 * The contents of this file are subject to the Mozilla Public License Version
009 * 1.1 (the "License"); you may not use this file except in compliance with
010 * the License. You may obtain a copy of the License at
011 * http://www.mozilla.org/MPL/
012 *
013 * Software distributed under the License is distributed on an "AS IS" basis,
014 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
015 * for the specific language governing rights and limitations under the
016 * License.
017 *
018 * Alternatively, the contents of this file may be used under the terms of
019 * either the GNU General Public License Version 2 or later (the "GPL"), or
020 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
021 * in which case the provisions of the GPL or the LGPL are applicable instead
022 * of those above. If you wish to allow use of your version of this file only
023 * under the terms of either the GPL or the LGPL, and not to allow others to
024 * use your version of this file under the terms of the MPL, indicate your
025 * decision by deleting the provisions above and replace them with the notice
026 * and other provisions required by the GPL or the LGPL. If you do not delete
027 * the provisions above, a recipient may use your version of this file under
028 * the terms of any one of the MPL, the GPL or the LGPL.
029 */
030 import java.io.ByteArrayOutputStream;
031 import java.io.IOException;
032
033 import javax.servlet.ServletOutputStream;
034
035 /**
036 * An ServletOutputStream that will capture the content
037 * as it otherwise passes into the ether.
038 */
039 public class CapturedServletOutputStream extends ServletOutputStream {
040
041 private ByteArrayOutputStream out;
042
043 public CapturedServletOutputStream(ByteArrayOutputStream out) {
044 this.out = out;
045 }
046
047 /**
048 * @see java.io.OutputStream#close()
049 */
050 public void close() throws IOException {
051 out.close();
052 }
053
054 /**
055 * @see java.io.OutputStream#flush()
056 */
057 public void flush() throws IOException {
058 out.flush();
059 }
060
061 /**
062 * @see javax.servlet.ServletOutputStream#print(boolean)
063 */
064 public void print(boolean arg0) throws IOException {
065 print(String.valueOf(arg0));
066 }
067
068 /**
069 * @see javax.servlet.ServletOutputStream#print(char)
070 */
071 public void print(char arg0) throws IOException {
072 write(arg0);
073 }
074
075 /**
076 * @see javax.servlet.ServletOutputStream#print(double)
077 */
078 public void print(double arg0) throws IOException {
079 print(String.valueOf(arg0));
080 }
081
082 /**
083 * @see javax.servlet.ServletOutputStream#print(float)
084 */
085 public void print(float arg0) throws IOException {
086 print(String.valueOf(arg0));
087 }
088
089 /**
090 * @see javax.servlet.ServletOutputStream#print(int)
091 */
092 public void print(int arg0) throws IOException {
093 print(String.valueOf(arg0));
094 }
095
096 /**
097 * @see javax.servlet.ServletOutputStream#print(long)
098 */
099 public void print(long arg0) throws IOException {
100 print(String.valueOf(arg0));
101 }
102
103 /**
104 * @see javax.servlet.ServletOutputStream#println()
105 */
106 public void println() throws IOException {
107 write('\n');
108 }
109
110 /**
111 * @see javax.servlet.ServletOutputStream#println(boolean)
112 */
113 public void println(boolean arg0) throws IOException {
114 println(String.valueOf(arg0));
115 }
116
117 /**
118 * @see javax.servlet.ServletOutputStream#println(char)
119 */
120 public void println(char arg0) throws IOException {
121 println(String.valueOf(arg0));
122 }
123
124 /**
125 * @see javax.servlet.ServletOutputStream#println(double)
126 */
127 public void println(double arg0) throws IOException {
128 println(String.valueOf(arg0));
129 }
130
131 /**
132 * @see javax.servlet.ServletOutputStream#println(float)
133 */
134 public void println(float arg0) throws IOException {
135 println(String.valueOf(arg0));
136 }
137
138 /**
139 * @see javax.servlet.ServletOutputStream#println(int)
140 */
141 public void println(int arg0) throws IOException {
142 println(String.valueOf(arg0));
143 }
144
145 /**
146 * @see javax.servlet.ServletOutputStream#println(long)
147 */
148 public void println(long arg0) throws IOException {
149 println(String.valueOf(arg0));
150 }
151
152 /**
153 * @see javax.servlet.ServletOutputStream#print(java.lang.String)
154 */
155 public void print(String arg0) throws IOException {
156 int len = arg0.length();
157 for (int i = 0; i < len; i++) {
158 int c = arg0.charAt(i);
159 print(c);
160 }
161 }
162
163 /**
164 * @see javax.servlet.ServletOutputStream#println(java.lang.String)
165 */
166 public void println(String arg0) throws IOException {
167 print(arg0);
168 print('\n');
169 }
170
171 /**
172 * @see java.io.OutputStream#write(int)
173 */
174 public void write(int b) throws IOException {
175 out.write(b);
176 }
177
178 /**
179 * @see java.io.OutputStream#write(byte[])
180 */
181 public void write(byte[] b) throws IOException {
182 out.write(b);
183 }
184
185 /**
186 * @see java.io.OutputStream#write(byte[], int, int)
187 */
188 public void write(byte[] b, int off, int len) throws IOException {
189 out.write(b, off, len);
190 }
191 }