qsp.java

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/*
 * Copyright (c) 2000 jPOS.org.  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 acknowledgment:
 *    "This product includes software developed by the jPOS project 
 *    (http://www.jpos.org/)". Alternately, this acknowledgment may 
 *    appear in the software itself, if and wherever such third-party 
 *    acknowledgments normally appear.
 *
 * 4. The names "jPOS" and "jPOS.org" 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 "jPOS",
 *    nor may "jPOS" appear in their name, without prior written
 *    permission of the jPOS project.
 *
 * 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 JPOS PROJECT 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 jPOS Project.  For more
 * information please see <http://www.jpos.org/>.
 */

package org.jpos.apps.qsp;

import java.io.File;
import java.io.IOException;
import java.util.Iterator;
import java.util.ArrayList;
import java.util.Collection;
import org.apache.xerces.parsers.*;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.w3c.dom.NamedNodeMap;
import org.xml.sax.ErrorHandler;

import org.jpos.iso.ISOMUX;
import org.jpos.util.SimpleLogListener;
import org.jpos.util.SystemMonitor;
import org.jpos.util.Logger;
import org.jpos.util.LogEvent;
import org.jpos.util.LogSource;
import org.jpos.util.NameRegistrar;
import org.jpos.core.Configuration;
import org.jpos.core.SimpleConfiguration;
import org.jpos.core.ConfigurationException;
import org.jpos.apps.qsp.config.ConfigTask;
import org.jpos.space.TransientSpace;

import com.sun.management.jmx.Trace;
import javax.management.ObjectName;
import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.NotCompliantMBeanException;
import javax.management.InstanceAlreadyExistsException;

import javax.management.MBeanException;
import javax.management.ReflectionException;
import javax.management.MBeanRegistrationException;
import javax.management.MalformedObjectNameException;
import javax.management.InstanceAlreadyExistsException;

/**
 * @author <a href="mailto:[e-mail]">Alejandro P. Revilla</a>
 * @version $Revision: 1.36 $ $Date: 2002/08/06 14:26:29 $
 * @see <a href="http://www.cebik.com/qsig.html">QSP</a>
 */
public class QSP implements ErrorHandler, LogSource, Runnable, QSPMBean {
    public static final String NAMEREGISTRAR_PREFIX = "qsp.";
    public static final String DEFAULT_NAME = "default";
    Document config;
    Logger logger;
    String realm;
    File configFile;
    long lastModified;
    static ControlPanel controlPanel = null;
    long monitorConfigInterval = 60 * 1000;
    Collection reconfigurables;
    DOMParser parser;
    Configuration cfg;
    String[] extendedTags;
    String[] supportedTags;
    boolean validation;
    protected MBeanServer server = null;
    protected long startTime;
    protected boolean newConfigFile;

    public static String[] SUPPORTED_TAGS = 
	{ "logger",
	  "qsp-config",
	  "log-listener",
          "object",
          "connection-pool",
	  "persistent-engine",
	  "sequencer",
          "s-m-adapter",
          "secure-key-store",
	  "control-panel",
	  "channel",
	  "filter",
	  "mux",
	  "server",
	  "request-listener",
	  "card-agent",
	  "dir-poll",
	  "task",
	  "daily-task"
	};

    public QSP () {
	super();
	reconfigurables = new ArrayList();
        supportedTags = SUPPORTED_TAGS;
        extendedTags = new String[0];
        validation = true;
        startTime = System.currentTimeMillis();
    }
    /**
     * @param configFile XML based QSP config file
     * @param supportedTags array of supported tags (default if null)
     * @param extendedTags array of extended tags (none if null)
     * @param validation true to validate XML file
     */
    public QSP (    
        String[] supportedTags, 
        String[] extendedTags, 
        boolean validation)
    {
	this();
        if (supportedTags != null)
            this.supportedTags = supportedTags;
        if (extendedTags != null)
            this.extendedTags = extendedTags;
        this.validation = validation;
    }
    public long getElapsed () {
        return System.currentTimeMillis() - startTime;
    }
    public MBeanServer getMBeanServer () 
        throws IOException, MalformedObjectNameException,
        InstanceAlreadyExistsException, 
        MBeanRegistrationException,
        NotCompliantMBeanException,
        MalformedObjectNameException
    {
        if (server == null)
            createMBeanServer();
        return server;
    }
    public void setSupportedTags (String[] supportedTags) {
        this.supportedTags = supportedTags;
    }
    public String[] getSupportedTags () {
        return supportedTags;
    }
    public void setExtendedTags (String[] extendedTags) {
        this.extendedTags = extendedTags;
    }
    public String[] getExtendedTags () {
        return extendedTags;
    }
    public void setValidation (boolean validation) {
        this.validation = validation;
    }
    public boolean getValidation() {
        return validation;
    }
    public void setParser (DOMParser parser) {
        this.parser     = parser;
    }
    public void setConfig (Document config) {
	this.config = config;
    }
    public void setConfigFile (String f) throws IOException {
        File newFile = new File (f);
        if (!newFile.equals (configFile)) {
            if (this.configFile != null) {
                this.newConfigFile = true;
                Logger.log (new LogEvent (this, "set-config-file", f));
            }
            this.configFile = newFile;
            this.lastModified = configFile.lastModified();
            // this is causing problems on JDK1.4's AWT (when using panels)
            // Thread.currentThread().interrupt ();
        }
    }
    public void setMonitorConfigInterval (long l) {
	monitorConfigInterval = l;
        // this is causing problems on JDK1.4's AWT (when using panels)
        // Thread.currentThread().interrupt ();
    }
    public long getMonitorConfigInterval () {
        return monitorConfigInterval;
    }
    public String getConfigFile () {
	return configFile.toString ();
    }
    public Collection getReConfigurables() {
	return reconfigurables;
    }
    public ControlPanel initControlPanel (int rows, int cols) {
	if (controlPanel == null) {
	    synchronized (QSP.class) {
		if (controlPanel == null) 
		    controlPanel = new ControlPanel (this, rows, cols);
	    }
	}
	return controlPanel;
    }
    public ControlPanel getControlPanel (){
	return controlPanel;
    }
    public void warning (SAXParseException e) throws SAXException {
	Logger.log (new LogEvent (this, "warning", e));
	throw e;
    }
    public void error (SAXParseException e) throws SAXException {
	Logger.log (new LogEvent (this, "error", e));
	throw e;
    }
    public void fatalError (SAXParseException e) throws SAXException {