rulesetparser.java

轻量级Http代理服务器

/*
 * jRevProxy, an opensource Java reverse proxy server
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
 *
 * $Id: RulesetParser.java,v 2.3 2003/03/27 15:49:37 fnoe Exp $ 
 */

package cx.noe.jrevproxy;

import org.w3c.dom.*;
import org.xml.sax.InputSource;

import java.io.FileInputStream;
import java.io.File;

import cx.noe.jrevproxy.DOMRulesetUnmarshaller;

/**
 * RulesetParser
 *
 * @author  <a href="mailto:[e-mail]">Frederik Noe</a>
 * @version <tt>$Revision: 2.3 $</tt>
 */
public class RulesetParser {
    
    private String xmlfilename = null;
    private Ruleset ruleset = null;
    
    /** Creates a new instance of RulesetParser */
    public RulesetParser(String xmlfilename) {
        this.xmlfilename = xmlfilename;
        ruleset = new Ruleset();
    }
    
    public void parse()  throws Exception{
        
        File file = new File(xmlfilename);
        InputSource src = new InputSource(new FileInputStream(file));
        
        DOMRulesetUnmarshaller domUms = new DOMRulesetUnmarshaller();
        
        org.apache.xerces.parsers.DOMParser prsr = new org.apache.xerces.parsers.DOMParser();
        try {
            prsr.parse(src);
        }
        catch(org.xml.sax.SAXException e) {
            throw new Exception("Error parsing XML file");
        }
        Document doc = prsr.getDocument();
        
        ruleset = domUms.unmarshallRuleset(doc.getDocumentElement());
    }
    
    public Ruleset getRuleset(){
     return ruleset;   
    }
}