servletfinder.java

贯穿案例JSP+JavaBean+Servlet网上订餐系统.希望大家下载下来研究

package com.restrant.util;

import java.io.File;
import java.io.Reader;
import java.util.Iterator;
import java.util.List;

import org.dom4j.Document;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;

public class ServletFinder {

	private String servletClas;
	public ServletFinder(String xmlFile,String servletName){
		try{
			File file = new File(xmlFile);
			SAXReader reader = new SAXReader();
			Document document = reader.read(file);
			Element root = document.getRootElement();
			List nodes = root.elements("servlet");
			for (Iterator iterator=nodes.iterator();iterator.hasNext();) {
				Element servletElm = (Element)iterator.next();
				if(servletElm.elementText("name").equals(servletName)){
					servletClas = servletElm.elementText("class");
				}
			}
		}
		catch(Exception e){
			e.printStackTrace();
		}
	}
	public String getServletclas() {
		return servletClas;
	}
}