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Java > Open Source Codes > org > apache > tester > UpperCaseOutputStream


1 /*
2  * Copyright 1999, 2000, 2001 ,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.tester;
18
19
20 import java.io.*;
21 import java.util.*;
22 import javax.servlet.*;
23 import javax.servlet.http.*;
24
25
26 /**
27  * ServletOutputStream that converts all characters to upper case.
28  * WARNING: This will only work on 8-bit character sets!
29  *
30  * @author Craig R. McClanahan
31  * @version $Revision: 1.2 $ $Date: 2004/02/27 14:58:57 $
32  */
33
34 public class UpperCaseOutputStream extends ServletOutputStream {
35
36     ServletOutputStream stream = null;
37
38     public UpperCaseOutputStream(ServletOutputStream stream)
39       throws IOException {
40         super();
41         this.stream = stream;
42     }
43
44     public void write(int c) throws IOException {
45         char ch = (char) c;
46         if (Character.isLowerCase(ch))
47             ch = Character.toUpperCase(ch);
48         stream.write((int) ch);
49     }
50
51     public void write(byte buf[], int off, int len) throws IOException {
52         for (int i = off; i < (off + len); i++) {
53             char ch = (char) buf[i];
54             if (Character.isLowerCase(ch))
55                 ch = Character.toUpperCase(ch);
56             stream.write((int) ch);
57         }
58     }
59
60     public void write(byte buf[]) throws IOException {
61         write(buf, 0, buf.length);
62     }
63
64 }
65
66
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