xmlpropertydefinitionlist.java

这是linux下ssl vpn的实现程序

/*
 *  SSL-Explorer
 *
 *  Copyright (C) 2003-2006 3SP LTD. All Rights Reserved
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2 of
 *  the License, or (at your option) any later version.
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public
 *  License along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
			
package com.sslexplorer.boot;

import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.util.Iterator;
import java.util.TreeMap;
import java.util.Vector;

/**
 * Loads a list of {@link com.sslexplorer.boot.PropertyDefinition} from
 * an XML file.
 * 
 * TODO need to either validating XML parser or manually validate attributes
 * 
 * @author Brett Smith <a href="mailto: [e-mail]">&lt;[e-mail]&gt;</a>
 * @version $Revision: 1.1 $
 */
public class XMLPropertyDefinitionList extends TreeMap {

    /**
     * Constructor and load the XML property definitions from the specfied
     * location.
     * 
     * @param location location to load property definitions from
     * @throws IOException on any error
     */
    public XMLPropertyDefinitionList(URL location) throws IOException {
        super();
        XMLElement el = new XMLElement();        
        InputStream in = location.openStream();
        try {
            el.parseFromReader(new InputStreamReader(in));
            Vector c = el.getChildren();
            for(Iterator i = c.iterator(); i.hasNext(); ) {
                XMLPropertyDefinition def = new XMLPropertyDefinition((XMLElement)i.next()); 
                put(def.getName(), def);
            }
        } finally {
            in.close();
        }
    }
    
    class XMLPropertyDefinition extends DefaultPropertyDefinition {
        XMLPropertyDefinition(XMLElement el) {
            super(el.getIntAttribute("type"), el.getStringAttribute("name"),
                el.getStringAttribute("typeMeta"), el.getIntAttribute("category"),
                el.getStringAttribute("defaultValue"), el.getIntAttribute("visibility"),
                el.getIntAttribute("sortOrder"), el.getStringAttribute("bundle"),
                el.getBooleanAttribute("hidden", "true", "false", false));
        }
    }

}