vmassol 01/10/20 12:23:27
Added: src/framework/share/org/apache/cactus/server
ServletUtil.java
Log:
forgot to add this file earlier on - needed for modification related to internal
cactus parameters now being passed in the url
Revision Changes Path
1.1
jakarta-cactus/src/framework/share/org/apache/cactus/server/ServletUtil.java
Index: ServletUtil.java
===================================================================
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Cactus", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
package org.apache.cactus.server;
import java.net.*;
/**
* All prupose utility methods for manipulating the Servlet API.
*
* @author <a href="mailto:[EMAIL PROTECTED]";>Vincent Massol</a>
*
* @version $Id: ServletUtil.java,v 1.1 2001/10/20 19:23:26 vmassol Exp $
*/
public class ServletUtil
{
/**
* A substitute method for <code>HttpServletRequest.getParameter()</code>.
* Contrary to <code>getParameter()</code>, this method does not
* access the request input stream (only the query string of the url).
*
* Note: We use this method internally to retrieve Cactus parameters passed
* by the client side. The issue with <code>getParameter()</code> is that
* if you use it, then you cannot call <code>getReader()</code> or
* <code>getInputStream()</code> (see the Servlet spec). However, if we
* want to allow for testing code that uses these 2 methods (and we do !)
* we need to use this method to get the internal Cactus parameters.
*
* @param theQueryString the query string to parse
* @param theParameter the name of the parameter to locate
* @return the value for theParameter in theQueryString, null if
* theParameter does not exist.
*/
public static String getQueryStringParameter(String theQueryString, String
theParameter)
{
if (theQueryString == null) {
return null;
}
String value = null;
int startIndex = theQueryString.indexOf(theParameter + "=" );
if (startIndex >= 0) {
// add 1 for '='
startIndex += theParameter.length() + 1;
int endIndex = theQueryString.indexOf('&', startIndex);
if (endIndex > startIndex) {
value = theQueryString.substring(startIndex, endIndex);
} else {
value = theQueryString.substring(startIndex);
}
value = URLDecoder.decode(value);
}
return value;
}
}
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