configfilter.java

java pos,你可以直接编译运行,

/*
 * 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 org.jpos.apps.qsp.QSP;
import org.jpos.apps.qsp.QSPConfigurator;
import org.jpos.core.Configurable;
import org.jpos.core.ConfigurationException;
import org.jpos.core.NodeConfigurable;
import org.jpos.core.SimpleConfiguration;
import org.jpos.iso.FilteredChannel;
import org.jpos.iso.ISOChannel;
import org.jpos.iso.ISOException;
import org.jpos.iso.ISOFilter;
import org.jpos.util.LogEvent;
import org.jpos.util.Logger;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

/**
 * Configure filter
 * @author <a href="mailto:[e-mail]">Alejandro P. Revilla</a>
 * @version $Revision: 1.10 $ $Date: 2003/10/13 11:04:19 $
 * @see org.jpos.iso.ISOFilter
 */
public class ConfigFilter implements QSPConfigurator {
    public void config (QSP qsp, Node node) throws ConfigurationException
    {
        LogEvent evt = new LogEvent (qsp, "config-filter");
        Node parent;

        // Find parent Channel 
        if ( (parent  = node.getParentNode()) == null)
            throw new ConfigurationException ("orphan filter");

        ISOChannel c = ConfigChannel.getChannel (parent);
        if (c == null) 
            throw new ConfigurationException ("null parent channel");
        if (!(c instanceof FilteredChannel))
            throw new ConfigurationException ("not a filtered channel");

        FilteredChannel channel = (FilteredChannel) c;

        NamedNodeMap attr = node.getAttributes();
        String className = attr.getNamedItem ("class").getNodeValue();
        String direction = attr.getNamedItem ("direction").getNodeValue();

        ISOFilter filter = (ISOFilter) ConfigUtil.newInstance (className);
        if (filter instanceof Configurable) {
            try {
                ((Configurable)filter).setConfiguration (
                    new SimpleConfiguration (
                        ConfigUtil.addProperties (node, null, evt)
                        )
                );
            } catch (ISOException e) {
                throw new ConfigurationException (e);
            }
        }
         //Add for calculate filter, Zhiyu Tang
        if( filter instanceof NodeConfigurable ){
                try {
                ((NodeConfigurable)filter).setConfiguration (
                        node
                );
            } catch (ISOException e) {
                throw new ConfigurationException (e);
            }
        }
        if (direction.equals ("incoming"))
            channel.addIncomingFilter (filter);
        else if (direction.equals ("outgoing"))
            channel.addOutgoingFilter (filter);
        else
            channel.addFilter (filter);

        evt.addMessage ("parent-channel=" + channel.getName());
        Logger.log (evt);
    }
}