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Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
AbstractWebTestCaller.java | 0% | 0% | 0% | 0% |
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/*
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* ====================================================================
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*
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2001-2003 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution, if
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* any, must include the following acknowlegement:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowlegement may appear in the software itself,
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* if and wherever such third-party acknowlegements normally appear.
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*
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* 4. The names "The Jakarta Project", "Cactus" and "Apache Software
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* Foundation" must not be used to endorse or promote products
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* derived from this software without prior written permission. For
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* written permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache"
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* nor may "Apache" appear in their names without prior written
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* permission of the Apache Group.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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*/
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package org.apache.cactus.server;
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import java.io.IOException;
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import java.io.Writer;
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61 |
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import java.lang.reflect.Constructor;
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import javax.servlet.ServletException;
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import junit.framework.Test;
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import junit.framework.TestCase;
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import org.apache.cactus.HttpServiceDefinition;
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import org.apache.cactus.ServiceEnumeration;
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import org.apache.cactus.WebTestResult;
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import org.apache.cactus.configuration.Version;
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import org.apache.cactus.util.ClassLoaderUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* Responsible for instanciating the <code>TestCase</code> class on the server
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* side, set up the implicit objects and call the test method. This class
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* provides a common abstraction for all test web requests.
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*
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* @author <a href="mailto:vmassol@apache.org">Vincent Massol</a>
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* @author <a href="mailto:ndlesiecki@apache.org">Nicholas Lesiecki</a>
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*
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* @version $Id: AbstractWebTestCaller.java,v 1.23 2003/07/12 19:31:41 vmassol Exp $
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*/
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public abstract class AbstractWebTestCaller |
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{ |
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/**
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* Name of the attribute in the <code>application</code> scope that will
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* hold the results of the test.
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*/
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protected static final String TEST_RESULTS = |
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"ServletTestRedirector_TestResults";
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/**
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* The logger.
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*/
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private static final Log LOGGER = |
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LogFactory.getLog(AbstractWebTestCaller.class);
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/**
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* The implicit objects (which will be used to set the test case fields
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* in the <code>setTesCaseFields</code> method.
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*/
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protected WebImplicitObjects webImplicitObjects;
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107 |
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/**
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* @param theObjects the implicit objects coming from the redirector
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*/
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111 | 0 |
public AbstractWebTestCaller(WebImplicitObjects theObjects)
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{ |
|
113 | 0 |
this.webImplicitObjects = theObjects;
|
114 |
} |
|
115 |
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|
116 |
/**
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* Sets the implicit object in the test case class
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|
118 |
*
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* @param theTestCase the instance of the test case class on which the
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120 |
* class variable (implicit objects) should be set
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* @exception Exception if an errors occurs when setting the implicit
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* objects
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*/
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protected abstract void setTestCaseFields(TestCase theTestCase) |
|
125 |
throws Exception;
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126 |
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/**
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* @return a <code>Writer</code> object that will be used to return the
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* test result to the client side.
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* @exception IOException if an error occurs when retrieving the writer
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*/
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protected abstract Writer getResponseWriter() throws IOException; |
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/**
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* Calls a test method. The parameters needed to call this method are found
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* in the HTTP request. Save the results in the <code>application</code>
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* scope so that the Get Test Result service can find them.
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138 |
*
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139 |
* @exception ServletException if an unexpected error occurred
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140 |
*/
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141 | 0 |
public void doTest() throws ServletException |
142 |
{ |
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143 | 0 |
WebTestResult result = null;
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144 |
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145 | 0 |
try
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146 |
{ |
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147 |
// Create an instance of the test class
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148 | 0 |
TestCase testInstance = getTestClassInstance( |
149 |
getTestClassName(), getWrappedTestClassName(), |
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150 |
getTestMethodName()); |
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151 |
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// Set its fields (implicit objects)
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153 | 0 |
setTestCaseFields(testInstance); |
154 |
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|
155 |
// Call it's method corresponding to the current test case
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156 | 0 |
testInstance.runBare(); |
157 |
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|
158 |
// Return an instance of <code>WebTestResult</code> with a
|
|
159 |
// positive result.
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|
160 | 0 |
result = new WebTestResult();
|
161 |
} |
|
162 |
catch (Throwable e)
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|
163 |
{ |
|
164 |
// An error occurred, return an instance of
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|
165 |
// <code>WebTestResult</code> with an exception.
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|
166 | 0 |
result = new WebTestResult(e);
|
167 |
} |
|
168 |
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|
169 | 0 |
LOGGER.debug("Test result : [" + result + "]"); |
170 |
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|
171 |
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172 |
// Set the test result.
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|
173 | 0 |
this.webImplicitObjects.getServletContext()
|
174 |
.setAttribute(TEST_RESULTS, result); |
|
175 |
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|
176 | 0 |
LOGGER.debug("Result saved in context scope");
|
177 |
} |
|
178 |
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|
179 |
/**
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|
180 |
* Return the last test results in the HTTP response.
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|
181 |
*
|
|
182 |
* @exception ServletException if an unexpected error occurred
|
|
183 |
*/
|
|
184 | 0 |
public void doGetResults() throws ServletException |
185 |
{ |
|
186 |
// One could think there is a potential risk that the client side of
|
|
187 |
// Cactus will request the result before it has been written to the
|
|
188 |
// context scope as the HTTP request will not block in some containers.
|
|
189 |
// However this will not happen because on the client side, once the
|
|
190 |
// first request is done to execute the test, all the result is read
|
|
191 |
// by the AutoReadHttpURLConnection class, thus ensuring that the
|
|
192 |
// request is fully finished and the result has been committed ...
|
|
193 | 0 |
WebTestResult result = (WebTestResult) (this.webImplicitObjects
|
194 |
.getServletContext().getAttribute(TEST_RESULTS)); |
|
195 |
|
|
196 | 0 |
LOGGER.debug("Test Result = [" + result + "]"); |
197 |
|
|
198 |
// Write back the results to the outgoing stream as an XML string.
|
|
199 |
|
|
200 |
// Use UTF-8 to transfer the result back
|
|
201 | 0 |
webImplicitObjects.getHttpServletResponse().setContentType( |
202 |
"text/xml; charset=UTF-8");
|
|
203 |
|
|
204 | 0 |
try
|
205 |
{ |
|
206 | 0 |
Writer writer = getResponseWriter(); |
207 |
|
|
208 | 0 |
writer.write(result.toXml()); |
209 | 0 |
writer.close(); |
210 |
} |
|
211 |
catch (IOException e)
|
|
212 |
{ |
|
213 | 0 |
String message = "Error writing WebTestResult instance to output "
|
214 |
+ "stream";
|
|
215 |
|
|
216 | 0 |
LOGGER.error(message, e); |
217 | 0 |
throw new ServletException(message, e); |
218 |
} |
|
219 |
} |
|
220 |
|
|
221 |
/**
|
|
222 |
* Run the connection test between client and server. This is just to
|
|
223 |
* ensure that configuration is set up correctly.
|
|
224 |
*
|
|
225 |
* @exception ServletException if an unexpected error occurred
|
|
226 |
*/
|
|
227 | 0 |
public void doRunTest() throws ServletException |
228 |
{ |
|
229 |
// Do not return any http response (not needed). It is enough to
|
|
230 |
// know this point has been reached ... it means the connection has
|
|
231 |
// been established !
|
|
232 |
} |
|
233 |
|
|
234 |
/**
|
|
235 |
* Return the cactus version. This is to make sure both the client side
|
|
236 |
* and server side are using the same version.
|
|
237 |
*
|
|
238 |
* @exception ServletException if an unexpected error occurred
|
|
239 |
*/
|
|
240 | 0 |
public void doGetVersion() throws ServletException |
241 |
{ |
|
242 | 0 |
try
|
243 |
{ |
|
244 | 0 |
Writer writer = getResponseWriter(); |
245 | 0 |
writer.write(Version.VERSION); |
246 | 0 |
writer.close(); |
247 |
} |
|
248 |
catch (IOException e)
|
|
249 |
{ |
|
250 | 0 |
String message = "Error writing HTTP response back to client "
|
251 |
+ "for service [" + ServiceEnumeration.GET_VERSION_SERVICE
|
|
252 |
+ "]";
|
|
253 |
|
|
254 | 0 |
LOGGER.error(message, e); |
255 | 0 |
throw new ServletException(message, e); |
256 |
} |
|
257 |
} |
|
258 |
|
|
259 |
/**
|
|
260 |
* Create an HTTP Session and returns the response that contains the
|
|
261 |
* HTTP session as a cookie (unless URL rewriting is used in which
|
|
262 |
* case the jsesssionid cookie is not returned).
|
|
263 |
*
|
|
264 |
* @exception ServletException if an unexpected error occurred
|
|
265 |
*/
|
|
266 | 0 |
public void doCreateSession() throws ServletException |
267 |
{ |
|
268 |
// Create an HTTP session
|
|
269 | 0 |
this.webImplicitObjects.getHttpServletRequest().getSession(true); |
270 |
|
|
271 | 0 |
try
|
272 |
{ |
|
273 | 0 |
Writer writer = getResponseWriter(); |
274 | 0 |
writer.close(); |
275 |
} |
|
276 |
catch (IOException e)
|
|
277 |
{ |
|
278 | 0 |
String message = "Error writing HTTP response back to client "
|
279 |
+ "for service [" + ServiceEnumeration.CREATE_SESSION_SERVICE
|
|
280 |
+ "]";
|
|
281 |
|
|
282 | 0 |
LOGGER.error(message, e); |
283 | 0 |
throw new ServletException(message, e); |
284 |
} |
|
285 |
} |
|
286 |
|
|
287 |
/**
|
|
288 |
* @return the class to test class name, extracted from the HTTP request
|
|
289 |
* @exception ServletException if the class name of the test case is missing
|
|
290 |
* from the HTTP request
|
|
291 |
*/
|
|
292 | 0 |
protected String getTestClassName() throws ServletException |
293 |
{ |
|
294 | 0 |
String queryString = this.webImplicitObjects.getHttpServletRequest()
|
295 |
.getQueryString(); |
|
296 | 0 |
String className = ServletUtil.getQueryStringParameter(queryString, |
297 |
HttpServiceDefinition.CLASS_NAME_PARAM); |
|
298 |
|
|
299 | 0 |
if (className == null) |
300 |
{ |
|
301 | 0 |
String message = "Missing class name parameter ["
|
302 |
+ HttpServiceDefinition.CLASS_NAME_PARAM |
|
303 |
+ "] in HTTP request.";
|
|
304 |
|
|
305 | 0 |
LOGGER.error(message); |
306 | 0 |
throw new ServletException(message); |
307 |
} |
|
308 |
|
|
309 | 0 |
LOGGER.debug("Class to call = [" + className + "]"); |
310 |
|
|
311 | 0 |
return className;
|
312 |
} |
|
313 |
|
|
314 |
/**
|
|
315 |
* @return the optional test class that is wrapped by a Cactus test case,
|
|
316 |
* extracted from the HTTP request
|
|
317 |
* @exception ServletException if the wrapped class name is missing from
|
|
318 |
* the HTTP request
|
|
319 |
*/
|
|
320 | 0 |
protected String getWrappedTestClassName() throws ServletException |
321 |
{ |
|
322 | 0 |
String queryString = this.webImplicitObjects.getHttpServletRequest()
|
323 |
.getQueryString(); |
|
324 | 0 |
String className = ServletUtil.getQueryStringParameter(queryString, |
325 |
HttpServiceDefinition.WRAPPED_CLASS_NAME_PARAM); |
|
326 |
|
|
327 | 0 |
if (className == null) |
328 |
{ |
|
329 | 0 |
LOGGER.debug("No wrapped test class");
|
330 |
} |
|
331 |
else
|
|
332 |
{ |
|
333 | 0 |
LOGGER.debug("Wrapped test class = [" + className + "]"); |
334 |
} |
|
335 |
|
|
336 | 0 |
return className;
|
337 |
} |
|
338 |
|
|
339 |
/**
|
|
340 |
* @return the class method to call for the current test case, extracted
|
|
341 |
* from the HTTP request
|
|
342 |
* @exception ServletException if the method name of the test case is
|
|
343 |
* missing from the HTTP request
|
|
344 |
*/
|
|
345 | 0 |
protected String getTestMethodName() throws ServletException |
346 |
{ |
|
347 | 0 |
String queryString = this.webImplicitObjects.getHttpServletRequest()
|
348 |
.getQueryString(); |
|
349 | 0 |
String methodName = ServletUtil.getQueryStringParameter(queryString, |
350 |
HttpServiceDefinition.METHOD_NAME_PARAM); |
|
351 |
|
|
352 | 0 |
if (methodName == null) |
353 |
{ |
|
354 | 0 |
String message = "Missing method name parameter ["
|
355 |
+ HttpServiceDefinition.METHOD_NAME_PARAM |
|
356 |
+ "] in HTTP request.";
|
|
357 |
|
|
358 | 0 |
LOGGER.error(message); |
359 | 0 |
throw new ServletException(message); |
360 |
} |
|
361 |
|
|
362 | 0 |
LOGGER.debug("Method to call = " + methodName);
|
363 |
|
|
364 | 0 |
return methodName;
|
365 |
} |
|
366 |
|
|
367 |
/**
|
|
368 |
* @return true if the auto session flag for the Session can be found in
|
|
369 |
* the HTTP request
|
|
370 |
*/
|
|
371 | 0 |
protected boolean isAutoSession() |
372 |
{ |
|
373 | 0 |
String queryString = this.webImplicitObjects.getHttpServletRequest()
|
374 |
.getQueryString(); |
|
375 | 0 |
String autoSession = ServletUtil.getQueryStringParameter(queryString, |
376 |
HttpServiceDefinition.AUTOSESSION_NAME_PARAM); |
|
377 |
|
|
378 | 0 |
boolean isAutomaticSession =
|
379 |
Boolean.valueOf(autoSession).booleanValue(); |
|
380 |
|
|
381 | 0 |
LOGGER.debug("Auto session is " + isAutomaticSession);
|
382 |
|
|
383 | 0 |
return isAutomaticSession;
|
384 |
} |
|
385 |
|
|
386 |
/**
|
|
387 |
* @param theClassName the name of the test class
|
|
388 |
* @param theWrappedClassName the name of the wrapped test class. Can be
|
|
389 |
* null if there is none
|
|
390 |
* @param theTestCaseName the name of the current test case
|
|
391 |
* @return an instance of the test class to call
|
|
392 |
* @exception ServletException if the test case instance for the current
|
|
393 |
* test fails to be instanciated (for example if some
|
|
394 |
* information is missing from the HTTP request)
|
|
395 |
*/
|
|
396 | 0 |
protected TestCase getTestClassInstance(
|
397 |
String theClassName, String theWrappedClassName, |
|
398 |
String theTestCaseName) throws ServletException
|
|
399 |
{ |
|
400 |
// Get the class to call and build an instance of it.
|
|
401 | 0 |
Class testClass = getTestClassClass(theClassName); |
402 | 0 |
TestCase testInstance = null;
|
403 | 0 |
Constructor constructor; |
404 |
|
|
405 | 0 |
try
|
406 |
{ |
|
407 | 0 |
if (theWrappedClassName == null) |
408 |
{ |
|
409 | 0 |
constructor = getTestClassConstructor(testClass); |
410 |
|
|
411 | 0 |
if (constructor.getParameterTypes().length == 0)
|
412 |
{ |
|
413 | 0 |
testInstance = (TestCase) constructor.newInstance( |
414 |
new Object[0]);
|
|
415 | 0 |
((TestCase) testInstance).setName(theTestCaseName); |
416 |
} |
|
417 |
else
|
|
418 |
{ |
|
419 | 0 |
testInstance = (TestCase) constructor.newInstance( |
420 |
new Object[] {theTestCaseName});
|
|
421 |
} |
|
422 |
} |
|
423 |
else
|
|
424 |
{ |
|
425 | 0 |
Class wrappedTestClass = |
426 |
getTestClassClass(theWrappedClassName); |
|
427 | 0 |
Constructor wrappedConstructor = |
428 |
getTestClassConstructor(wrappedTestClass); |
|
429 |
|
|
430 | 0 |
TestCase wrappedTestInstance; |
431 | 0 |
if (wrappedConstructor.getParameterTypes().length == 0)
|
432 |
{ |
|
433 | 0 |
wrappedTestInstance = |
434 |
(TestCase) wrappedConstructor.newInstance( |
|
435 |
new Object[0]);
|
|
436 | 0 |
wrappedTestInstance.setName(theTestCaseName); |
437 |
} |
|
438 |
else
|
|
439 |
{ |
|
440 | 0 |
wrappedTestInstance = |
441 |
(TestCase) wrappedConstructor.newInstance( |
|
442 |
new Object[] {theTestCaseName});
|
|
443 |
} |
|
444 |
|
|
445 | 0 |
constructor = testClass.getConstructor( |
446 |
new Class[] {String.class, Test.class}); |
|
447 |
|
|
448 | 0 |
testInstance = |
449 |
(TestCase) constructor.newInstance( |
|
450 |
new Object[] {theTestCaseName, wrappedTestInstance});
|
|
451 |
} |
|
452 |
} |
|
453 |
catch (Exception e)
|
|
454 |
{ |
|
455 | 0 |
String message = "Error instantiating class [" + theClassName + "([" |
456 |
+ theTestCaseName + "], [" + theWrappedClassName + "])]"; |
|
457 |
|
|
458 | 0 |
LOGGER.error(message, e); |
459 | 0 |
throw new ServletException(message, e); |
460 |
} |
|
461 |
|
|
462 | 0 |
return testInstance;
|
463 |
} |
|
464 |
|
|
465 |
/**
|
|
466 |
* @param theTestClass the test class for which we want to find the
|
|
467 |
* constructor
|
|
468 |
* @return the availble constructor for the test class
|
|
469 |
* @throws NoSuchMethodException if no suitable constructor is found
|
|
470 |
*/
|
|
471 | 0 |
private Constructor getTestClassConstructor(Class theTestClass)
|
472 |
throws NoSuchMethodException
|
|
473 |
{ |
|
474 | 0 |
Constructor constructor; |
475 | 0 |
try
|
476 |
{ |
|
477 | 0 |
constructor = theTestClass.getConstructor( |
478 |
new Class[] {String.class}); |
|
479 |
} |
|
480 |
catch (NoSuchMethodException e)
|
|
481 |
{ |
|
482 | 0 |
constructor = theTestClass.getConstructor(new Class[0]);
|
483 |
} |
|
484 | 0 |
return constructor;
|
485 |
} |
|
486 |
|
|
487 |
/**
|
|
488 |
* @param theClassName the name of the test class
|
|
489 |
* @return the class object the test class to call
|
|
490 |
* @exception ServletException if the class of the current test case
|
|
491 |
* cannot be loaded in memory (i.e. it is not in the
|
|
492 |
* classpath)
|
|
493 |
*/
|
|
494 | 0 |
protected Class getTestClassClass(String theClassName)
|
495 |
throws ServletException
|
|
496 |
{ |
|
497 |
// Get the class to call and build an instance of it.
|
|
498 | 0 |
Class testClass = null;
|
499 |
|
|
500 | 0 |
try
|
501 |
{ |
|
502 | 0 |
testClass = ClassLoaderUtils.loadClass(theClassName, |
503 |
this.getClass());
|
|
504 |
} |
|
505 |
catch (Exception e)
|
|
506 |
{ |
|
507 | 0 |
String message = "Error finding class [" + theClassName
|
508 |
+ "] using both the Context classloader and the webapp "
|
|
509 |
+ "classloader. Possible causes include:\r\n";
|
|
510 |
|
|
511 | 0 |
message += ("\t- Your webapp does not include your test "
|
512 |
+ "classes,\r\n");
|
|
513 | 0 |
message += ("\t- The cactus.jar is not located in your "
|
514 |
+ "WEB-INF/lib directory and your Container has not set the "
|
|
515 |
+ "Context classloader to point to the webapp one");
|
|
516 |
|
|
517 | 0 |
LOGGER.error(message, e); |
518 | 0 |
throw new ServletException(message, e); |
519 |
} |
|
520 |
|
|
521 | 0 |
return testClass;
|
522 |
} |
|
523 |
|
|
524 |
} |
|
525 |
|
|