configcardagent.java

pos机交易实现源代码 含金融卡交易8583协议实现 开发环境：linux 典型应用：嵌入系统开发 仅供参考

/*
 * 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.config;

import java.util.Properties;

import org.jpos.util.Logger;
import org.jpos.util.LogEvent;
import org.jpos.util.LogSource;
import org.jpos.util.Loggeable;
import org.jpos.core.SimpleConfiguration;
import org.jpos.core.Configurable;
import org.jpos.core.ReConfigurable;
import org.jpos.core.ConfigurationException;
import org.jpos.core.CardAgent;
import org.jpos.core.CardAgentLookup;
import org.jpos.core.CardAgentNotFoundException;

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

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

/**
 * Configure Card Agent
 * @author <a href="mailto:[e-mail]">Alejandro P. Revilla</a>
 * @version $Revision: 1.7 $ $Date: 2000/11/02 12:09:17 $
 */
public class ConfigCardAgent implements QSPReConfigurator {
    public void config (QSP qsp, Node node) throws ConfigurationException
    {
	String className = 
	    node.getAttributes().getNamedItem ("class").getNodeValue();
	LogEvent evt = new LogEvent (qsp, "config-card-agent", className);
        try {
            Class c = Class.forName(className);
	    CardAgent agent = (CardAgent) c.newInstance();
	    if (agent instanceof LogSource) {
		((LogSource)agent).setLogger (
		    ConfigLogger.getLogger (node),
		    ConfigLogger.getRealm (node)
		);
	    }
	    if (agent instanceof Configurable)
		configureAgent ((Configurable) agent, node, evt);

	    agent.setPersistentEngine 
		(ConfigPersistentEngine.getPersistentEngine (node));

	    if (agent instanceof Loggeable)
		evt.addMessage (agent);

	    CardAgentLookup.add (agent);
        } catch (ClassNotFoundException e) {
	    throw new ConfigurationException ("config-agent:"+className, e);
        } catch (InstantiationException e) {
	    throw new ConfigurationException ("config-agent:"+className, e);
        } catch (IllegalAccessException e) {
	    throw new ConfigurationException ("config-agent:"+className, e);
	}
	Logger.log (evt);
    }
    public void reconfig (QSP qsp, Node node) throws ConfigurationException
    {
	String className = 
	    node.getAttributes().getNamedItem ("class").getNodeValue();
	LogEvent evt = new LogEvent (qsp, "re-config-agent", className);
	try {
	    CardAgent agent = CardAgentLookup.getAgent (className);
	    if (agent instanceof ReConfigurable) 
		configureAgent ((Configurable) agent, node, evt);
	} catch (CardAgentNotFoundException e) {
	    evt.addMessage ("<card-agent-not-found/>");
	}
	Logger.log (evt);
    }
    private void configureAgent (Configurable agent, Node node, LogEvent evt)
	throws ConfigurationException
    {
	agent.setConfiguration (new SimpleConfiguration (
		ConfigUtil.addProperties (node, null, evt)
	    )
	);
    }
}