|
|||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
ServletUtil.java | 0% | 0% | 0% | 0% |
|
1 |
/*
|
|
2 |
* ====================================================================
|
|
3 |
*
|
|
4 |
* The Apache Software License, Version 1.1
|
|
5 |
*
|
|
6 |
* Copyright (c) 2001-2003 The Apache Software Foundation. All rights
|
|
7 |
* reserved.
|
|
8 |
*
|
|
9 |
* Redistribution and use in source and binary forms, with or without
|
|
10 |
* modification, are permitted provided that the following conditions
|
|
11 |
* are met:
|
|
12 |
*
|
|
13 |
* 1. Redistributions of source code must retain the above copyright
|
|
14 |
* notice, this list of conditions and the following disclaimer.
|
|
15 |
*
|
|
16 |
* 2. Redistributions in binary form must reproduce the above copyright
|
|
17 |
* notice, this list of conditions and the following disclaimer in
|
|
18 |
* the documentation and/or other materials provided with the
|
|
19 |
* distribution.
|
|
20 |
*
|
|
21 |
* 3. The end-user documentation included with the redistribution, if
|
|
22 |
* any, must include the following acknowlegement:
|
|
23 |
* "This product includes software developed by the
|
|
24 |
* Apache Software Foundation (http://www.apache.org/)."
|
|
25 |
* Alternately, this acknowlegement may appear in the software itself,
|
|
26 |
* if and wherever such third-party acknowlegements normally appear.
|
|
27 |
*
|
|
28 |
* 4. The names "The Jakarta Project", "Cactus" and "Apache Software
|
|
29 |
* Foundation" must not be used to endorse or promote products
|
|
30 |
* derived from this software without prior written permission. For
|
|
31 |
* written permission, please contact apache@apache.org.
|
|
32 |
*
|
|
33 |
* 5. Products derived from this software may not be called "Apache"
|
|
34 |
* nor may "Apache" appear in their names without prior written
|
|
35 |
* permission of the Apache Group.
|
|
36 |
*
|
|
37 |
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
|
38 |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
39 |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
40 |
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
|
|
41 |
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
42 |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
43 |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
|
44 |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
45 |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
46 |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
|
47 |
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
48 |
* SUCH DAMAGE.
|
|
49 |
* ====================================================================
|
|
50 |
*
|
|
51 |
* This software consists of voluntary contributions made by many
|
|
52 |
* individuals on behalf of the Apache Software Foundation. For more
|
|
53 |
* information on the Apache Software Foundation, please see
|
|
54 |
* <http://www.apache.org/>.
|
|
55 |
*
|
|
56 |
*/
|
|
57 |
package org.apache.cactus.server;
|
|
58 |
|
|
59 |
import java.net.URLDecoder;
|
|
60 |
|
|
61 |
import org.apache.cactus.util.ChainedRuntimeException;
|
|
62 |
|
|
63 |
/**
|
|
64 |
* All prupose utility methods for manipulating the Servlet API.
|
|
65 |
*
|
|
66 |
* @author <a href="mailto:vmassol@apache.org">Vincent Massol</a>
|
|
67 |
*
|
|
68 |
* @version $Id: ServletUtil.java,v 1.5 2003/05/26 11:45:22 cmlenz Exp $
|
|
69 |
*/
|
|
70 |
public class ServletUtil |
|
71 |
{ |
|
72 |
/**
|
|
73 |
* A substitute method for <code>HttpServletRequest.getParameter()</code>.
|
|
74 |
* Contrary to <code>getParameter()</code>, this method does not
|
|
75 |
* access the request input stream (only the query string of the url).
|
|
76 |
*
|
|
77 |
* Note: We use this method internally to retrieve Cactus parameters passed
|
|
78 |
* by the client side. The issue with <code>getParameter()</code> is that
|
|
79 |
* if you use it, then you cannot call <code>getReader()</code> or
|
|
80 |
* <code>getInputStream()</code> (see the Servlet spec). However, if we
|
|
81 |
* want to allow for testing code that uses these 2 methods (and we do !)
|
|
82 |
* we need to use this method to get the internal Cactus parameters.
|
|
83 |
*
|
|
84 |
* @param theQueryString the query string to parse
|
|
85 |
* @param theParameter the name of the parameter to locate
|
|
86 |
* @return the value for theParameter in theQueryString, null if
|
|
87 |
* theParameter does not exist and "" if the parameter exists but
|
|
88 |
* has no value defined in the query string
|
|
89 |
*/
|
|
90 | 0 |
public static String getQueryStringParameter(String theQueryString, |
91 |
String theParameter) |
|
92 |
{ |
|
93 | 0 |
if (theQueryString == null) |
94 |
{ |
|
95 | 0 |
return null; |
96 |
} |
|
97 |
|
|
98 | 0 |
String value = null;
|
99 |
|
|
100 | 0 |
int startIndex = theQueryString.indexOf(theParameter + "="); |
101 |
|
|
102 | 0 |
if (startIndex >= 0)
|
103 |
{ |
|
104 |
// add 1 for '='
|
|
105 | 0 |
startIndex += (theParameter.length() + 1); |
106 |
|
|
107 | 0 |
int endIndex = theQueryString.indexOf('&', startIndex);
|
108 |
|
|
109 | 0 |
if (endIndex > startIndex)
|
110 |
{ |
|
111 | 0 |
value = theQueryString.substring(startIndex, endIndex); |
112 |
} |
|
113 | 0 |
else if (endIndex == startIndex) |
114 |
{ |
|
115 | 0 |
value = "";
|
116 |
} |
|
117 |
else
|
|
118 |
{ |
|
119 | 0 |
value = theQueryString.substring(startIndex); |
120 |
} |
|
121 |
|
|
122 |
// In JDK 1.2 URLDecoder.decode throws an Exception. This is not
|
|
123 |
// needed for JDK 1.3+ but needed to keep JDK 1.2.2 compatibility
|
|
124 | 0 |
try
|
125 |
{ |
|
126 | 0 |
value = URLDecoder.decode(value); |
127 |
} |
|
128 |
catch (Exception e)
|
|
129 |
{ |
|
130 | 0 |
throw new ChainedRuntimeException("Error URL decoding [" |
131 |
+ value + "]", e);
|
|
132 |
} |
|
133 |
} |
|
134 |
|
|
135 | 0 |
return value;
|
136 |
} |
|
137 |
} |
|
138 |
|
|