/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.mortbay.jetty.servlet.wadi;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.mortbay.jetty.MimeTypes;
import org.mortbay.jetty.handler.AbstractHandler;
public class CounterHandler extends AbstractHandler {
public void handle(String target, HttpServletRequest request, HttpServletResponse response, int dispatch)
throws IOException, ServletException {
HttpSession session = request.getSession();
Integer counter = (Integer) session.getAttribute("counter");
if (null == counter) {
counter = 0;
}
counter += 1;
session.setAttribute("counter", counter);
response.setStatus(HttpServletResponse.SC_OK);
response.setContentType(MimeTypes.TEXT_HTML);
response.setContentLength((counter + "").length());
PrintWriter writer = response.getWriter();
writer.print(counter);
writer.flush();
}
}