statustransformer.java

This temp directory is used by the JVM for temporary file storage. The JVM is configured to use thi

/*
 * $Header: /home/cvs/jakarta-tomcat-catalina/webapps/manager/WEB-INF/classes/org/apache/catalina/manager/StatusTransformer.java,v 1.11 2003/12/23 19:23:10 remm Exp $
 * $Revision: 1.11 $
 * $Date: 2003/12/23 19:23:10 $
 *
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact [e-mail].
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * [Additional notices, if required by prior licensing conditions]
 *
 */


package org.apache.catalina.manager;

import java.io.PrintWriter;
import java.text.MessageFormat;
import java.util.Enumeration;
import java.util.Iterator;
import java.util.Set;
import java.util.Vector;

import javax.servlet.http.HttpServletResponse;
import org.apache.tomcat.util.compat.JdkCompat;

import javax.management.MBeanServer;
import javax.management.ObjectInstance;
import javax.management.ObjectName;

/**
 * This is a refactoring of the servlet to externalize
 * the output into a simple class. Although we could
 * use XSLT, that is unnecessarily complex.
 *
 * @author Peter Lin
 * @version $Revision: 1.11 $ $Date: 2003/12/23 19:23:10 $
 */

public class StatusTransformer {


    // --------------------------------------------------------- Public Methods


    public static void setContentType(HttpServletResponse response, 
                                      int mode) {
        if (mode == 0){
            response.setContentType("text/html;charset="+Constants.CHARSET);
        } else if (mode == 1){
            response.setContentType("text/xml;charset="+Constants.CHARSET);
        }
    }


    /**
     * Process a GET request for the specified resource.
     *
     * @param request The servlet request we are processing
     * @param response The servlet response we are creating
     *
     * @exception IOException if an input/output error occurs
     * @exception ServletException if a servlet-specified error occurs
     */
    public static void writeHeader(PrintWriter writer, int mode) {
        if (mode == 0){
            // HTML Header Section
            writer.print(Constants.HTML_HEADER_SECTION);
        } else if (mode == 1){
            writer.write(Constants.XML_DECLARATION);
            writer.write
                (Constants.XML_STYLE);
            writer.write("<status>");
        }
    }


    /**
     * Write the header body. XML output doesn't bother
     * to output this stuff, since it's just title.
     * 
     * @param PrintWriter writer
     * @param Object[] args
     * @param int mode
     */
    public static void writeBody(PrintWriter writer, Object[] args, int mode) {
        if (mode == 0){
            writer.print(MessageFormat.format
                         (Constants.BODY_HEADER_SECTION, args));
        }
    }


    /**
     * Write the manager webapp information.
     * 
     * @param PrintWriter writer
     * @param Object[] args
     * @param int mode
     */
    public static void writeManager(PrintWriter writer, Object[] args, 
                                    int mode) {
        if (mode == 0){
            writer.print(MessageFormat.format(Constants.MANAGER_SECTION, args));
        }
    }


    public static void writePageHeading(PrintWriter writer, Object[] args, 
                                        int mode) {
        if (mode == 0){
            writer.print(MessageFormat.format
                         (Constants.SERVER_HEADER_SECTION, args));
        }
    }


    public static void writeServerInfo(PrintWriter writer, Object[] args, 
                                       int mode){
        if (mode == 0){
            writer.print(MessageFormat.format(Constants.SERVER_ROW_SECTION, args));
        }
    }


    /**
     * 
     */
    public static void writeFooter(PrintWriter writer, int mode) {
        if (mode == 0){
            // HTML Tail Section
            writer.print(Constants.HTML_TAIL_SECTION);
        } else if (mode == 1){
            writer.write("</status>");
        }
    }


    /**
     * Write the VM state. Mode 0 will generate HTML.
     * Mode 1 will generate XML.
     */
    public static void writeVMState(PrintWriter writer, int mode)
        throws Exception {

        if (mode == 0){
            writer.print("<h1>JVM</h1>");

            writer.print("<p>");
            writer.print(" Free memory: ");
            writer.print(formatSize
                         (new Long(Runtime.getRuntime().freeMemory()), true));
            writer.print(" Total memory: ");
            writer.print(formatSize
                         (new Long(Runtime.getRuntime().totalMemory()), true));
            writer.print(" Max memory: ");
            writer.print(formatSize
                         (new Long(JdkCompat.getJdkCompat().getMaxMemory()), 
                          true));
            writer.print("</p>");
        } else if (mode == 1){
            writer.write("<jvm>");

            writer.write("<memory");
            writer.write(" free='" + Runtime.getRuntime().freeMemory() + "'");
            writer.write(" total='" + Runtime.getRuntime().totalMemory() + "'");
            writer.write(" max='" + JdkCompat.getJdkCompat().getMaxMemory() + "'/>");

            writer.write("</jvm>");
        }

    }


    /**
     * Write connector state.
     */
    public static void writeConnectorState(PrintWriter writer, 
                                           ObjectName tpName, String name,
                                           MBeanServer mBeanServer,
                                           Vector globalRequestProcessors,
                                           Vector requestProcessors,
                                           int mode)
        throws Exception {

        if (mode == 0) {
            writer.print("<h1>");
            writer.print(name);
            writer.print("</h1>");

            writer.print("<p>");
            writer.print(" Max threads: ");
            writer.print(mBeanServer.getAttribute(tpName, "maxThreads"));
            writer.print(" Min spare threads: ");
            writer.print(mBeanServer.getAttribute(tpName, "minSpareThreads"));
            writer.print(" Max spare threads: ");
            writer.print(mBeanServer.getAttribute(tpName, "maxSpareThreads"));
            writer.print(" Current thread count: ");
            writer.print(mBeanServer.getAttribute(tpName, "currentThreadCount"));
            writer.print(" Current thread busy: ");
            writer.print(mBeanServer.getAttribute(tpName, "currentThreadsBusy"));
            
            writer.print("<br>");

            ObjectName grpName = null;

            Enumeration enum = globalRequestProcessors.elements();
            while (enum.hasMoreElements()) {
                ObjectName objectName = (ObjectName) enum.nextElement();
                if (name.equals(objectName.getKeyProperty("name"))) {
                    grpName = objectName;
                }
            }

            if (grpName == null) {
                return;
            }

            writer.print(" Max processing time: ");
            writer.print(formatTime(mBeanServer.getAttribute
                                    (grpName, "maxTime"), false));
            writer.print(" Processing time: ");
            writer.print(formatTime(mBeanServer.getAttribute
                                    (grpName, "processingTime"), true));
            writer.print(" Request count: ");
            writer.print(mBeanServer.getAttribute(grpName, "requestCount"));
            writer.print(" Error count: ");
            writer.print(mBeanServer.getAttribute(grpName, "errorCount"));
            writer.print(" Bytes received: ");
            writer.print(formatSize(mBeanServer.getAttribute
                                    (grpName, "bytesReceived"), true));
            writer.print(" Bytes sent: ");
            writer.print(formatSize(mBeanServer.getAttribute