| Clover coverage report - Cactus 1.8dev for J2EE API 1.3 |
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| 30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| ServletUtil.java | 75% | 81.2% | 100% | 80% |
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/*
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* ========================================================================
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*
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* Copyright 2001-2004 The Apache Software Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* ========================================================================
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*/
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package org.apache.cactus.internal.server;
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import java.net.URLDecoder;
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import org.apache.cactus.util.ChainedRuntimeException;
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/**
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* All prupose utility methods for manipulating the Servlet API.
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*
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* @version $Id: ServletUtil.java 238991 2004-05-22 11:34:50Z vmassol $
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*/
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public class ServletUtil |
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{
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/**
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* A substitute method for <code>HttpServletRequest.getParameter()</code>.
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* Contrary to <code>getParameter()</code>, this method does not
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* access the request input stream (only the query string of the url).
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*
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* Note: We use this method internally to retrieve Cactus parameters passed
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* by the client side. The issue with <code>getParameter()</code> is that
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* if you use it, then you cannot call <code>getReader()</code> or
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* <code>getInputStream()</code> (see the Servlet spec). However, if we
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* want to allow for testing code that uses these 2 methods (and we do !)
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* we need to use this method to get the internal Cactus parameters.
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*
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* @param theQueryString the query string to parse
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* @param theParameter the name of the parameter to locate
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* @return the value for theParameter in theQueryString, null if
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* theParameter does not exist and "" if the parameter exists but
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* has no value defined in the query string
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*/
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public static String getQueryStringParameter(String theQueryString, |
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String theParameter) |
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{
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if (theQueryString == null) |
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{
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return null; |
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} |
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String value = null;
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int startIndex = theQueryString.indexOf(theParameter + "="); |
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if (startIndex >= 0)
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{
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// add 1 for '='
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startIndex += (theParameter.length() + 1); |
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int endIndex = theQueryString.indexOf('&', startIndex);
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if (endIndex > startIndex)
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{
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value = theQueryString.substring(startIndex, endIndex); |
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} |
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else if (endIndex == startIndex) |
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{
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value = "";
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} |
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else
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{
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value = theQueryString.substring(startIndex); |
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} |
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// In JDK 1.2 URLDecoder.decode throws an Exception. This is not
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// needed for JDK 1.3+ but needed to keep JDK 1.2.2 compatibility
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try
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{
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value = URLDecoder.decode(value); |
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} |
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catch (Exception e)
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{
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throw new ChainedRuntimeException("Error URL decoding [" |
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+ value + "]", e);
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} |
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} |
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return value;
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} |
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} |
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