configrequestlistener.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.NameRegistrar;
import org.jpos.util.Logger;
import org.jpos.util.LogSource;
import org.jpos.util.LogEvent;
import org.jpos.iso.ISOMUX;
import org.jpos.iso.ISOServer;
import org.jpos.iso.ISORequestListener;
import org.jpos.iso.ISOException;
import org.jpos.core.SimpleConfiguration;
import org.jpos.core.ConfigurationException;
import org.jpos.core.Configurable;
import org.jpos.core.NodeConfigurable;

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

import org.w3c.dom.Node;
import org.w3c.dom.NamedNodeMap;

/**
 * Configure ISORequestListener
 * @author <a href="mailto:[e-mail]">Alejandro P. Revilla</a>
 * @version $Revision: 1.7 $ $Date: 2002/08/07 11:38:19 $
 * @see org.jpos.iso.ISORequestListener
 */
public class ConfigRequestListener implements QSPConfigurator {
    public void config (QSP qsp, Node node) throws ConfigurationException
    {
	LogEvent evt = new LogEvent (qsp, "config-request-listener");
	try {
	    Node parent;
	    // Find parent MUX
	    if ( (parent  = node.getParentNode()) == null)
		throw new ConfigurationException ("orphan request listener");

	    Object obj = null;
	    if (parent.getNodeName().equals ("mux")) 
		obj = ConfigMux.getMUX (parent);
	    else if (parent.getNodeName().equals ("server"))
		obj = ConfigServer.getServer (parent);

	    if (obj == null) {
		ConfigurationException e = 
		    new ConfigurationException ("null parent");
		evt.addMessage (e);
		throw e;
	    }
	    addRequestListener (obj, node, evt);
	} finally {
	    Logger.log (evt);
	}
    }

    private void addRequestListener (Object obj, Node node, LogEvent evt) 
	throws ConfigurationException
    {
	NamedNodeMap attr = node.getAttributes();
	String className = attr.getNamedItem ("class").getNodeValue();
	ISORequestListener listener = 
	    (ISORequestListener) ConfigUtil.newInstance (className);
	evt.addMessage ("<request-listener class=\""+className+"\"/>");
	try {
	    if (listener instanceof LogSource) {
		((LogSource)listener).setLogger (
		    ConfigLogger.getLogger (node),
		    ConfigLogger.getRealm (node)
		);
		evt.addMessage ("<log-source/>");
	    }
	    
	    if (listener instanceof NodeConfigurable) {
		evt.addMessage ("<NodeConfigurable>");
		((NodeConfigurable)listener).setConfiguration (
		    node
		);
		evt.addMessage ("</NodeConfigurable>");
	    }
	    
	    if (listener instanceof Configurable) {
		evt.addMessage ("<configurable>");
		Properties props = ConfigUtil.addProperties (node, null, evt);
		((Configurable)listener).setConfiguration (
		    new SimpleConfiguration (props)
		);
		evt.addMessage ("</configurable>");
	    }
	    if (obj instanceof ISOMUX) {
		((ISOMUX)obj).setISORequestListener (listener);
		evt.addMessage ("<parent type=\"mux\" name=\""+
		    ((ISOMUX)obj).getName() + "\"/>");
	    }
	    else if (obj instanceof ISOServer) {
		((ISOServer)obj).addISORequestListener (listener);
		evt.addMessage ("<parent type=\"server\" name=\""+
		    ((ISOServer)obj).getName() + "\"/>");
	    }
	} catch (ISOException e) {
	    throw new ConfigurationException (e);
	}
    }
}