org.jboss.test.classloader.scoping.override.web.comlog.Log4jServlet.java Source code

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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2006, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.jboss.test.classloader.scoping.override.web.comlog;

import java.io.IOException;
import java.io.PrintWriter;
import java.io.File;
import java.util.Date;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.naming.InitialContext;
import javax.naming.Context;
import javax.naming.NamingException;

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

/** A servlet that validates that it sees the application specific log4j output
 * in the ${jboss.server.log.dir}/cl-test.log increasing. The logging interface
 * used is the commons-logging LogFactory/Log.
 *
 * @author Scott.Stark@jboss.org
 * @version $Revision: 57211 $
 */
public class Log4jServlet extends HttpServlet {
    private static Log log = LogFactory.getLog(Log4jServlet.class);

    /**
     *
     * @param servletConfig
     * @throws javax.servlet.ServletException
     */
    public void init(ServletConfig servletConfig) throws ServletException {
        super.init(servletConfig);
        log.info("init, servletConfig=" + servletConfig);
        System.out.println("Log class: " + log.getClass());
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    private void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        log.info("processRequest, path=" + request.getPathInfo());
        try {
            InitialContext ctx = new InitialContext();
            Context enc = (Context) ctx.lookup("java:comp/env");
            log.info("Was able to lookup ENC, " + enc);
        } catch (NamingException e) {
            throw new ServletException("Failed to lookup ENC", e);
        }

        // Validate that the cl-test.log
        String logDir = System.getProperty("jboss.server.log.dir");
        File logFile = new File(logDir, "cl-test.log");
        if (logFile.exists() == false)
            throw new ServletException(logFile + " does not exist");

        long length = logFile.length();
        log.info("Current length = " + length);
        for (int n = 0; n < 100; n++)
            log.info("Msg #" + n);
        long lastModified = logFile.lastModified();
        long length2 = logFile.length();
        if (!(length2 > length))
            throw new ServletException(logFile + " length is not increasing");
        response.setContentType("text/html");
        PrintWriter pw = response.getWriter();
        pw.println("<html><head><title>Commons logging test servlet</title></head>");
        pw.println("<body><h1>Commons logging test servlet</h1>");
        pw.println("Log length: " + length2);
        pw.println(", LastModified: " + new Date(lastModified));
        pw.println("</body></html>");
        pw.flush();
    }
}