com.googlecode.commonspringaspects.servlets.PerformanceHttpRequestHandler.java Source code

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Here is the source code for com.googlecode.commonspringaspects.servlets.PerformanceHttpRequestHandler.java
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/**
 * Copyright 2006, 2007, 2008, 2009 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.
 */

package com.googlecode.commonspringaspects.servlets;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.web.HttpRequestHandler;

import com.jamonapi.MonitorFactory;

/**
 * Shows web page with Jamon statistics.
 *
 * @version $Revision: $
 */
public class PerformanceHttpRequestHandler implements HttpRequestHandler {

    private boolean enabled = true;

    public void handleRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {

        if (!enabled) {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
            return;
        }

        if (request.getMethod().equals("POST")) {

            MonitorFactory.reset();
            response.sendRedirect(request.getRequestURI());

        } else {

            response.setContentType("text/html");
            PrintWriter writer = response.getWriter();
            writer.print("<html>");
            writer.print("<body><form action='' method='post'> <input type='submit' value='Reset JAMon'> </form>");
            writer.print(MonitorFactory.getRootMonitor().getReport(3, "desc"));
            writer.print("</body></html>");

        }
    }

    public void setEnabled(boolean productionMode) {
        this.enabled = productionMode;
    }
}