/*
 * 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 
 *    license@jpos.org.
 *
 * 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.config;

import java.util.Properties;

import org.jpos.util.Logger;
import org.jpos.util.LogEvent;
import org.jpos.util.LogSource;
import org.jpos.util.NameRegistrar;
import org.jpos.core.SimpleConfiguration;
import org.jpos.core.Configurable;
import org.jpos.core.ReConfigurable;
import org.jpos.core.ConfigurationException;

import org.jpos.apps.qsp.QSP;
import org.jpos.apps.qsp.QSPConfigurator;
import org.jpos.apps.qsp.QSPReConfigurator;

import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

/**
 * Configure User defined Tasks
 * @author <a href="mailto:apr@cs.com.uy">Alejandro P. Revilla</a>
 * @version $Revision$ $Date$
 */
public class ConfigTask implements QSPReConfigurator {
    public static final String NAMEREGISTRAR_PREFIX = "qsp.task.";

    public void config (QSP qsp, Node node) throws ConfigurationException
    {
	String className = 
	    node.getAttributes().getNamedItem ("class").getNodeValue();
	String name   = getValue (node, "name");
	LogEvent evt  = new LogEvent (qsp, "config-task", className);
        try {
            Class c = Class.forName(className);
	    Runnable task = (Runnable) c.newInstance();
	    if (task instanceof LogSource) {
		((LogSource)task).setLogger (
		    ConfigLogger.getLogger (node),
		    ConfigLogger.getRealm (node)
		);
	    }
	    if (task instanceof Configurable)
		configureTask ((Configurable) task, node, evt);

	    if (name != null)
		NameRegistrar.register (NAMEREGISTRAR_PREFIX+name, task);
	    Thread thread = new Thread(task);
	    thread.setName ("qsp-task-"+name);
	    thread.start();
        } catch (ClassNotFoundException e) {
	    throw new ConfigurationException ("config-task:"+className, e);
        } catch (InstantiationException e) {
	    throw new ConfigurationException ("config-task:"+className, e);
        } catch (IllegalAccessException e) {
	    throw new ConfigurationException ("config-task:"+className, e);
	}
	Logger.log (evt);
    }
    public void reconfig (QSP qsp, Node node) throws ConfigurationException
    {
	String name   = getValue (node, "name");
	if (name == null)
	    return; // nothing to do

	LogEvent evt = new LogEvent (qsp, "re-config-task", name);
	try {
	    Object task = NameRegistrar.get (NAMEREGISTRAR_PREFIX + name);
	    if (task instanceof ReConfigurable) 
		configureTask ((Configurable) task, node, evt);
	} catch (NameRegistrar.NotFoundException e) {
	    evt.addMessage ("<task-not-found/>");
	}
	Logger.log (evt);
    }
    private void configureTask (Configurable task, Node node, LogEvent evt)
	throws ConfigurationException
    {
	task.setConfiguration (new SimpleConfiguration (
	    ConfigUtil.addProperties (node, null, evt)
	    )
	);
    }
    private String getValue (Node node, String tagName) {
	Node n = node.getAttributes().getNamedItem (tagName);
	return n != null ? n.getNodeValue() : null;
    }
}


@@ -3726,16 +3726,17 @@
 gurable)
+ 
 %0A%09%09confi
@@ -4964,16 +4964,184 @@
 n%0A    %7B%0A
+        String %5B%5D attributeNames = %7B  %22connection-pool%22 %7D;%0A        Properties props = ConfigUtil.addAttributes (%0A            node, attributeNames, null, evt%0A        );%0A
 %09task.se
@@ -5219,20 +5219,21 @@
  (node, 
-null
+props
 , evt)%0A%09

add connection-pool attribute to Configuration object