saxcounter.java

一个XML文件的两种解析方法

import java.io.File;
import java.io.IOException;
import java.util.Hashtable;

import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;

import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.DefaultHandler;


/**
 * 
 */

/**
 * @author Teness
 * 
 */
public class SaxCounter extends DefaultHandler {
	 
	 public void startDocument() throws SAXException {
	 }
	
	 
	 public void startElement(String namespaceURI, String localName,
			 String rowName, Attributes atts) throws SAXException    {
		 for (int i = 0; i < atts.getLength(); i++)
		 {
			 System.out.print(atts.getLocalName(i)+" = "+atts.getValue(i)+"  ");
		 }
		
	}
	 
		@Override
		public void endElement(String arg0, String arg1, String arg2)
				throws SAXException {
			// TODO Auto-generated method stub
			System.out.println();
		}

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		SAXParserFactory spf = SAXParserFactory.newInstance();
		XMLReader xmlReader = null;
		SAXParser saxParser=null;
		try {
			saxParser = spf.newSAXParser();
			xmlReader = saxParser.getXMLReader();
		} catch (ParserConfigurationException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SAXException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		try {
			xmlReader.setContentHandler(new SaxCounter());
			xmlReader.parse(new InputSource("xmlfile.xml"));
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (SAXException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

}