634 - JAXP - SAX - プログラム - タグの取得

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

public class SAXTest extends DefaultHandler {
    private static int tab;

    public static void main(String[] args) {
        tab = 0;

    	try {
            SAXParserFactory saxParserFactory = SAXParserFactory.newInstance();
            BufferedInputStream input = 
                new BufferedInputStream(new FileInputStream(new File("c:\\sample.xml")));

            // SAXパーサ取得
            SAXParser saxParser = saxParserFactory.newSAXParser();
            InputSource inputSource = new InputSource(input);
            // パース
            saxParser.parse(inputSource, new SAXTest());
        }catch (Exception e){
            System.err.println(e);
        }
    }
  
    // 要素の開始通知
    public void startElement(String namespaceURI,
                              String localName,
                              String qName,
                              Attributes atts){
        for(int i = 0; i < tab; i++){
            System.out.print("\t");
        }

        System.out.println("<" + qName + ">");
        tab = tab + 1;
    }
  
    // 要素の終了通知
    public void endElement(String namespaceURI,
                            String localName,
                            String qName){


        tab = tab - 1;

        for(int i = 0; i < tab; i++){
            System.out.print("\t");
        }

        System.out.println("</" + qName + ">");
    }  
}

<document>
    <book>
        <title>Java</title>
        <price>1000</price>
    </book>
    <book>
        <title>XML</title>
        <price>1500</price>
    </book>
</document>

<document>
    <book>
        <title>
        </title>
        <price>
        </price>
    </book>
    <book>
        <title>
        </title>
        <price>
        </price>
    </book>
</document>