myhandler.java

j2me实现xml格式文件的解析

package zqs;

import javax.microedition.lcdui.Form;

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

public class MyHandler extends DefaultHandler {
	private Form form=null;
	public MyHandler(Form _form)
	{
		form=_form;
		form.deleteAll();
	}
	public void startDocument()throws SAXException
	{
	}
	
	//
	public void characters(char[]ch,int start,int length)throws SAXException
	{
		if(length!=0)
		{
        	form.append(new String (ch,start,length));
			
		}
			
		
	}
	
	//
	
	public void startElement(String uri,String localName,String qName,Attributes attributes)throws SAXException
	{
		if(qName.equals("username")||qName.equals("email")||qName.equals("company"))
		{
			form.append(qName);
			int len=attributes.getLength();
			if(len>0)
			{
				form.append("(");
				for(int i=0;i<len;i++)
				{
					form.append(attributes.getQName(i)+"="+attributes.getValue(i));
				}
				form.append(")");
			}
			form.append(":");
		}
	}
	
	//
	public void endElement(String uri ,String localName,String qName)throws SAXException
	{
		if(qName.equals("username")||qName.equals("email")||qName.equals("company"))
		{
			form.append("\n");
		}
	}
	public void endDocument()throws SAXException
	{
	}

}