localdomain.localhost.JclDemoServlet.java Source code

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Here is the source code for localdomain.localhost.JclDemoServlet.java
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/*
 * Copyright 2010-2013, CloudBees Inc.
 *
 * 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 localdomain.localhost;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.log4j.Logger;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;

/**
 * @author <a href="mailto:cleclerc@cloudbees.com">Cyrille Le Clerc</a>
 */
@WebServlet(value = "/jcl-demo-servlet")
public class JclDemoServlet extends HttpServlet {

    protected final Log logger = LogFactory.getLog(getClass());

    @Override
    public void init(ServletConfig config) throws ServletException {
        super.init(config);
        logger.info("Init");
        System.out.println("System.out.println " + getClass().getName() + ".init");
    }

    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        PrintWriter writer = resp.getWriter();

        writer.println("<html>");
        writer.println("<head><title>Jakarta Commons Logging Demo Servlet</title></head>");
        writer.println("<body><h1>Jakarta Commons Logging Demo Servlet</h1>");
        writer.println("<h2>JCL messages</h2>");
        writer.println(
                "<p>Output TRACE, DEBUG, INFO, WARN, ERROR, FATAL messages to commons-logging logger " + logger);
        logger.trace("Trace message");
        logger.debug("Debug message");
        logger.info("Info message");
        logger.warn("Warn message");
        logger.error("Error message");
        logger.fatal("Fatal message");
        writer.println("</body></html>");

    }
}