ipfactory.java

基于JAVA的学生就业信息网 实现对信息浏览 检索 审核 修改和删除

/*
 * Created on 2006-8-11
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
package org.ug.sztz.domain.assistant;

import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.List;
import java.util.Vector;

import javax.servlet.ServletConfig;

import org.jdom.Document;
import org.jdom.Element;
import org.jdom.input.SAXBuilder;
import org.jdom.output.XMLOutputter;
import org.ug.sztz.domain.oa.Province;
import org.ug.sztz.domain.xml.XmlLocator;

/**
 * @author leo001
 *
 * TODO To change the template for this generated type comment go to
 * Window - Preferences - Java - Code Style - Code Templates
 */
public class IPFactory {

	ServletConfig cfg;
	XmlLocator xmlLoc;
	Vector styles;
	
	public IPFactory(ServletConfig cfg){
		this.cfg = cfg;
		xmlLoc  = new XmlLocator(cfg);		
	}
	
	public List getIPList() throws Exception{
		SAXBuilder builder = new SAXBuilder();
		Document dom = builder.build(new FileInputStream(xmlLoc.getDefaultFile("ip.xml")));
		Element root = dom.getRootElement();
		List    elements = root.getChildren("ip");
		styles = new Vector();
		for(int i=0; i < elements.size(); i++){
			Element styleElement = (Element)elements.get(i);
			String a=styleElement.getText();
			styles.add(a);
		}
		
		return styles;
	}
	
	public boolean InIP(String ip) throws Exception{
		boolean a=false;
		SAXBuilder builder = new SAXBuilder();
		Document dom = builder.build(new FileInputStream(xmlLoc.getDefaultFile("ip.xml")));
		Element root = dom.getRootElement();
		List    elements = root.getChildren("ip");
		styles = new Vector();
		for(int i=0; i < elements.size(); i++){
			Element styleElement = (Element)elements.get(i);
			if(styleElement.getText().trim().equals(ip)) {
				a=true;
			}
	}	
		return a;
	}
	
	public void addIP(String ip) throws Exception{
		SAXBuilder builder = new SAXBuilder();
		Document dom = builder.build(new FileInputStream(xmlLoc.getDefaultFile("ip.xml")));
		Element root = dom.getRootElement();
		
		Element  sid = new Element("ip");//新ip项
		sid.setText(ip);

		root.addContent(sid);
		dom.setRootElement(root);
		
		XMLOutputter outputter= new XMLOutputter("  ", true, "GB2312");
		outputter.output(dom, new FileOutputStream(xmlLoc.getDefaultFile("ip.xml")));
	}
	public void deleteIP(String ip) throws Exception{
		SAXBuilder builder = new SAXBuilder();
		Document dom = builder.build(new FileInputStream(xmlLoc.getDefaultFile("ip.xml")));
		Element root = dom.getRootElement();
		List    elements = root.getChildren("ip");
		Element newroot=new Element("ips");
		
		for(int i=0; i < elements.size(); i++){
			Element styleElement = (Element)elements.get(i);
			if(!styleElement.getText().trim().equals(ip)) {
				Element  sid = new Element("ip");//新ip项
				sid.setText(styleElement.getText());
				newroot.addContent(sid);
				}
		}	

		dom.setRootElement(newroot);
		
		XMLOutputter outputter= new XMLOutputter("  ", true, "GB2312");
		outputter.output(dom, new FileOutputStream(xmlLoc.getDefaultFile("ip.xml")));
	}


}