XML解析

/*DOM解析*/

 

package org.fanzone.xml;

 

import java.io.IOException;

 

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.ParserConfigurationException;

 

import org.w3c.dom.Document;

import org.w3c.dom.NodeList;

import org.xml.sax.SAXException;

 

/** 

 * Title: base<br> 

 * Description: DOM Parser<br> 

 * Copyright: Copyright (c) 2011 <br> 

 * Create DateTime: Jun 14, 2011 5:46:40 PM <br> 

 * @author wangmeng

 */

public class DomParserXML {

 

public static void main(String[] args){

DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

DocumentBuilder builder = null;

Document doc = null;

try {

builder = factory.newDocumentBuilder();

doc = builder.parse("F:/LSPFix.xml");

NodeList nodeList = doc.getElementsByTagName("LSPFix");

for(int i=0;i<nodeList.getLength();i++){

NodeList childNodes = nodeList.item(i).getChildNodes();

for(int j=0;j<childNodes.getLength();j++){

System.out.println(childNodes.item(i));;

}

}

} catch (ParserConfigurationException e) {

e.printStackTrace();

} catch (SAXException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

}

}

 

/*SAX解析*/

package org.mars.xml;

import java.io.File;

import java.io.IOException;

import java.util.Vector;

import javax.xml.parsers.ParserConfigurationException;

import javax.xml.parsers.SAXParser;

import javax.xml.parsers.SAXParserFactory;

import org.xml.sax.Attributes;

import org.xml.sax.SAXException;

import org.xml.sax.helpers.DefaultHandler;

public class SAXParserXML extends DefaultHandler{

private Vector<String> tagName;

private Vector<String> tagValue;

private int step;

@Override

public void startDocument() throws SAXException {

tagName = new Vector<String>();

tagValue = new Vector<String>();

step = 0;

}

@Override

public void startElement(String uri, String localName, String qName,

Attributes attributes) throws SAXException {

tagName.add(qName);

for(int i=0;i<attributes.getLength();i++){

System.out.println("attrName--> "+attributes.getQName(i)+"\tattrValue--> "+attributes.getValue(attributes.getQName(i)));

}

}

@Override

public void endElement(String uri, String localName, String qName)

throws SAXException {

step  = step + 1;

}

@Override

public void characters(char[] ch, int start, int length) throws SAXException {

if(tagName.size()-1 == tagValue.size()){

tagValue.add(new String(ch,start,length));

}

}

@Override

public void endDocument() throws SAXException {

for(int i=0;i<tagName.size();i++){

if(!tagName.get(i).equals("") || tagName.get(i)!=null){

System.out.println("tagNameEnd--> "+tagName.get(i)+"\ttagValueEnd--> "+tagValue.get(i));

}

}

System.out.println("step---> "+step);

}

public static void main(String[] args){

SAXParserFactory spf = SAXParserFactory.newInstance();

try {

SAXParser saxParser = spf.newSAXParser();

saxParser.parse(new File("F:/LSPFix.xml"), new SAXParserXML());

} catch (ParserConfigurationException e) {

e.printStackTrace();

} catch (SAXException e) {

e.printStackTrace();

} catch (IOException e) {

e.printStackTrace();

}

}

}