parserxml.java~1~

来自「100多M的J2EE培训内容」· JAVA~1~ 代码 · 共 63 行

package northwindcase;

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

public class ParserXml extends DefaultHandler {
  private String currentName;
  private String currentValue;
  private String fileName;
  private Properties props;

  public ParserXml(String fileName) {
     props = new Properties();
     this.fileName = fileName;
     parse();
  }

  public Properties getProps() {
    return props;
  }

  private void parse() {
    try {
      SAXParserFactory parserFactory = SAXParserFactory.newInstance();
      parserFactory.setValidating(false);
      parserFactory.setNamespaceAware(false);
      SAXParser parser = parserFactory.newSAXParser();
      parser.parse(fileName,this);

      parserFactory = null;
      parser = null;
    }
    catch(IOException ex) {
      ex.printStackTrace();
    }
    catch(SAXException ex) {
      ex.printStackTrace();
    }
    catch(ParserConfigurationException ex) {
      ex.printStackTrace();
    }
    catch(FactoryConfigurationError ex) {
      ex.printStackTrace();
    }
  }

  public void characters(char[] ch, int start, int length) throws SAXException {
    currentValue = new String(ch,start,length).trim();
  }

  public void endElement(String uri, String localName, String qName) throws SAXException {
    if (currentValue.equals("")) return;
    props.put(currentName,currentValue);
  }

  public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
    currentName = qName;
  }
}