/*
* ====================================================================
*
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001-2002 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 apache@apache.org.
*
* 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.client;
import org.apache.cactus.WebTestResult;
import org.apache.cactus.util.ChainedRuntimeException;
/**
* Parse a string representing a Test result and transform it into a
* <code>WebTestResult</code> object.
*
* @see WebTestResult
*
* @author <a href="mailto:vmassol@apache.org">Vincent Massol</a>
*
* @version $Id: WebTestResultParser.java,v 1.1 2002/04/21 12:45:44 vmassol Exp $
*/
public class WebTestResultParser
{
/**
* Parsed exception class name
*/
protected String exceptionClassname;
/**
* Parsed exception message
*/
protected String exceptionMessage;
/**
* Parsed exception stack trace
*/
protected String exceptionStacktrace;
/**
* Parse a string and transform it into a <code>WebTestResult</code> object.
*
* @param theData the string to parse
* @return the <code>WebTestResult</code> object corresponding to the data
* string
*/
public WebTestResult parse(String theData)
{
String buffer;
WebTestResult result;
buffer = readRootElement(theData);
if (buffer.length() == 0) {
result = new WebTestResult();
} else {
buffer = readExceptionClassname(buffer);
buffer = readExceptionMessage(buffer);
buffer = readExceptionStacktrace(buffer);
result = new WebTestResult(this.exceptionClassname,
this.exceptionMessage, this.exceptionStacktrace);
}
return result;
}
/**
* Read the {@link WebTestResult#XML_ROOT_ELEMENT} portion.
*
* @param theData the string buffer to parse
* @return the string buffer minus what has been read
*/
protected String readRootElement(String theData)
{
String startRootString = "<" + WebTestResult.XML_ROOT_ELEMENT + ">";
String endRootString = "</" + WebTestResult.XML_ROOT_ELEMENT + ">";
String buffer;
if (theData.startsWith(startRootString) &&
theData.endsWith(endRootString)) {
buffer = theData.substring(startRootString.length(),
theData.length() - endRootString.length());
} else {
throw new ChainedRuntimeException("Not a valid response");
}
return buffer;
}
/**
* Read the {@link WebTestResult#XML_EXCEPTION_CLASSNAME_ATTRIBUTE} portion
* and extract the exception classname.
*
* @param theData the string buffer to parse
* @return the string buffer minus what has been read
*/
protected String readExceptionClassname(String theData)
{
String startString = "<" + WebTestResult.XML_EXCEPTION_ELEMENT +
" " + WebTestResult.XML_EXCEPTION_CLASSNAME_ATTRIBUTE + "=\"";
String endString = "</" + WebTestResult.XML_EXCEPTION_ELEMENT + ">";
String buffer;
if (theData.startsWith(startString) && theData.endsWith(endString)) {
int pos = theData.indexOf('\"', startString.length());
this.exceptionClassname = theData.substring(startString.length(),
pos);
buffer = theData.substring(startString.length() +
this.exceptionClassname.length() + 2,
theData.length() - endString.length());
} else {
throw new ChainedRuntimeException("Not a valid response");
}
return buffer;
}
/**
* Read the {@link WebTestResult#XML_EXCEPTION_MESSAGE_ELEMENT} portion
* and extract the exception message.
*
* @param theData the string buffer to parse
* @return the string buffer minus what has been read
*/
protected String readExceptionMessage(String theData)
{
String startString = "<" + WebTestResult.XML_EXCEPTION_MESSAGE_ELEMENT +
"><![CDATA[";
String endString = "]]></" +
WebTestResult.XML_EXCEPTION_MESSAGE_ELEMENT + ">";
String buffer;
if (theData.startsWith(startString)) {
int pos = theData.indexOf(endString, startString.length());
this.exceptionMessage = theData.substring(startString.length(),
pos);
buffer = theData.substring(pos + endString.length());
} else {
throw new ChainedRuntimeException("Not a valid response");
}
return buffer;
}
/**
* Read the {@link WebTestResult#XML_EXCEPTION_STACKTRACE_ELEMENT} portion
* and extract the exception stacktrace.
*
* @param theData the string buffer to parse
* @return the string buffer minus what has been read
*/
protected String readExceptionStacktrace(String theData)
{
String startString = "<" +
WebTestResult.XML_EXCEPTION_STACKTRACE_ELEMENT + "><![CDATA[";
String endString = "]]></" +
WebTestResult.XML_EXCEPTION_STACKTRACE_ELEMENT + ">";
String buffer;
if (theData.startsWith(startString)) {
int pos = theData.indexOf(endString, startString.length());
this.exceptionStacktrace = theData.substring(startString.length(),
pos);
buffer = theData.substring(pos + endString.length());
} else {
throw new ChainedRuntimeException("Not a valid response");
}
return buffer;
}
}