/*
* Copyright 1999-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.commons.jxpath.JXPathContext;
import org.apache.commons.jxpath.servlet.JXPathServletContexts;
/**
* Invoke like this: http://localhost:8080/jxpath?parm=OK
*
* @version $Revision: 1.1 $ $Date: 2004/05/08 15:10:49 $
*/
public class JXPathServletContextsTestServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
ServletContext servletContext = getServletContext();
servletContext.setAttribute("app", "OK");
JXPathContext appContext = JXPathServletContexts
.getApplicationContext(servletContext);
request.setAttribute("attr", "OK");
JXPathContext reqContext = JXPathServletContexts.getRequestContext(
request,
servletContext);
HttpSession session = request.getSession();
Integer count = (Integer) session.getAttribute("count");
if (count == null) {
count = new Integer(0);
}
else {
count = new Integer(count.intValue() + 1);
}
session.setAttribute("count", count);
JXPathContext sessionContext = JXPathServletContexts.getSessionContext(
session,
servletContext);
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("");
out.println("");
out.println("JXPathServletContext");
out.println("");
out.println("");
out.println("JXPathServletContexts Servlet Context Test
");
assertEqual(
out,
"Application Context",
appContext.getValue("app"),
"OK");
assertEqual(
out,
"Request Context Attribute",
reqContext.getValue("attr"),
"OK");
assertEqual(
out,
"Request Context Attribute",
reqContext.getValue("attr"),
"OK");
if (request.getParameter("parm") == null) {
out.println("Invoke this test servlet like this: "
+ "http://localhost:8080/jxpath-war/jxpath?parm=OK");
}
else {
assertEqual(
out,
"Request Context Parameter",
reqContext.getValue("parm"),
"OK");
}
assertEqual(
out,
"Session Context Parameter (reload for actual test)",
sessionContext.getValue("count"),
count);
assertEqual(
out,
"Application Context via Request Context",
reqContext.getValue("app"),
"OK");
assertEqual(
out,
"Session Context via Request Context",
reqContext.getValue("count"),
count);
assertEqual(
out,
"Application Context via Session Context",
sessionContext.getValue("app"),
"OK");
out.println("");
out.println("");
}
private void assertEqual(
PrintWriter out,
String title,
Object actual,
Object expected)
{
if ((actual == null && expected == null)
|| (actual != null && actual.equals(expected))) {
out.println("
" + title + ": Ok");
}
else {
out.println("
" + title + ": Failure");
}
}
}