requestlistener01.java

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package org.apache.tester;


import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

/**
 * Application event listener for request events.  All events that occur
 * are logged appropriately to the static logger..
 *
 * @author Justyna Horwat
 * @version $Revision: 1.1 $ $Date: 2002/08/09 02:12:14 $
 */

public class RequestListener01
    implements ServletRequestAttributeListener, ServletRequestListener {


    public void attributeAdded(ServletRequestAttributeEvent event) {
        StaticLogger.write("RequestListener01: attributeAdded(" +
                           event.getName() + "," + event.getValue() + ")");
        ServletContext context = (ServletContext) event.getSource();
        context.log("RequestListener01: attributeAdded(" +
                    event.getName() + "," + event.getValue() + ")");
        if (event.getValue() instanceof ContextBean) {
            ContextBean bean = (ContextBean) event.getValue();
            bean.setLifecycle(bean.getLifecycle() + "/add");
        }
    }

    public void attributeRemoved(ServletRequestAttributeEvent event) {
        StaticLogger.write("RequestListener01: attributeRemoved(" +
                           event.getName() + "," + event.getValue() + ")");
        ServletContext context = (ServletContext) event.getSource();
        context.log("RequestListener01: attributeRemoved(" +
                    event.getName() + "," + event.getValue() + ")");
        if (event.getValue() instanceof ContextBean) {
            ContextBean bean = (ContextBean) event.getValue();
            bean.setLifecycle(bean.getLifecycle() + "/rem");
        }
    }

    public void attributeReplaced(ServletRequestAttributeEvent event) {
        StaticLogger.write("RequestListener01: attributeReplaced(" +
                           event.getName() + "," + event.getValue() + ")");
        ServletContext context = (ServletContext) event.getSource();
        context.log("RequestListener01: attributeReplaced(" +
                    event.getName() + "," + event.getValue() + ")");
        if (event.getValue() instanceof ContextBean) {
            ContextBean bean = (ContextBean) event.getValue();
            bean.setLifecycle(bean.getLifecycle() + "/rep");
        }
    }

    public void requestDestroyed(ServletRequestEvent event) {
        StaticLogger.write("RequestListener01: requestDestroyed() -- probably cached from previous request");
        ServletContext context = (ServletContext) event.getSource();
        context.log("RequestListener01: requestDestroyed()");
    }

    public void requestInitialized(ServletRequestEvent event) {
        StaticLogger.write("RequestListener01: requestInitialized()");
        ServletContext context = (ServletContext) event.getSource();
        context.log("RequestListener01: requestInitialized()");
    }


}