SAX를 이용한 Java XML 샘플 코드

import java.io.*;
import org.xml.sax.*;
import org.xml.sax.helpers.*;
import javax.xml.parsers.*;

public class SaxSample {
public static void main(String[] args) {
// SAX를 준비한다.
SAXParser saxParser = null;
 
try {
SAXParserFactory saxFactory = SAXParserFactory.newInstance();
saxParser = saxFactory.newSAXParser();
} catch (ParserConfigurationException e) {
e.printStackTrace();
} catch (SAXException e) {
e.printStackTrace();
}

// 핸들러를 작성한다.
SaxCustomHandler saxHandler = new SaxCustomHandler();
 
try {
saxParser.parse(new FileInputStream("f:\\1.xml"), saxHandler);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (SAXException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}

// SAX 핸들러 클래스
class SaxCustomHandler extends DefaultHandler {
@Override
public void startDocument() {
System.out.println("XML 문서가 시작 되었습니다.");
}

@Override
public void endDocument() {
System.out.println("XML 문서가 종료 되었습니다.");
}
 
@Override
public void startElement(String uri, String localName, String qName,
Attributes attributes) throws SAXException {
String elementName = localName;
if ("".equals(elementName) == true)
elementName = qName;
 
System.out.print("<" + elementName);
 
if (attributes != null) {
for (int i = 0; i < attributes.getLength(); ++i) {
String attributeName = attributes.getLocalName(i);
if ("".equals(attributeName) == true)
attributeName = attributes.getQName(i);
 
System.out.print(" " + attributeName + "=\"" + attributes.getValue(i) + "\"");
}
}
 
System.out.print(">");
}
 
@Override
public void endElement(String uri, String localName, String qName)
throws SAXException {
String elementName = localName;
if ("".equals(elementName) == true)
elementName = qName;
 
System.out.print("</" + elementName + ">");
}
 
@Override
public void characters(char[] ch, int start, int length)
throws SAXException {
System.out.print(new String(ch, start, length));
}
}