xmlreader.java

来自「我用JAVA写的一个小巧的RSS阅读器（需要安装JAVA才能运行哦）。」· Java 代码 · 共 49 行

package reader;
import java.io.*;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.*;
import org.jdom.*;
import org.jdom.input.SAXBuilder;
import javax.swing.*;
public class XMLReader 
{
	public bean XMLData;
	public XMLReader(String url)
	{
		XMLData=new bean();
		SAXBuilder builder=new SAXBuilder(false);
		Document doc=null;
		try{
			URL path = new URL(url);
			doc=builder.build(path.openStream());
			//doc=builder.build(new File(url));
			
			Element root=doc.getRootElement().getChild("channel");
			
			XMLData.title=root.getChildText("title");
			XMLData.link=root.getChildText("link");
			XMLData.description=root.getChildText("description");
			
			List list=root.getChildren("item");
			int num=list.size();
			XMLData.item=new String[num][3];
			XMLData.size=num;
			if(num!=0)
			{
				for(int i=0;i<num;i++)
				{
					Element el=(Element)list.get(i);
					XMLData.item[i][0]=el.getChildText("title");
					XMLData.item[i][1]=el.getChildText("link");
					XMLData.item[i][2]=el.getChildText("description");
				}
			}
		}catch(Exception e)
		{
			JOptionPane.showMessageDialog(null, "Error to read file!");
			return;
		}
	}
}