mytrans.ja

java操作xml文件的各种代码

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.FactoryConfigurationError;
import javax.xml.parsers.ParserConfigurationException;

import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.TransformerException;
import javax.xml.transform.TransformerFactoryConfigurationError;

import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;

import java.io.File;

import org.w3c.dom.Document;

public class MyTransformer {
  public static void main(String[] args) {
    if(args.length != 1){
      System.out.println("java MyTransformer [目的文件]");
      return;
    }

    DocumentBuilderFactory domFactory =
      DocumentBuilderFactory.newInstance();
    domFactory.setNamespaceAware(true);
    domFactory.setValidating(true);

    try {
      DocumentBuilder domParser = domFactory.newDocumentBuilder();
      Document doc = domParser.parse(args[0]);

      TransformerFactory factory =
        TransformerFactory.newInstance();
      Transformer transformer =
        factory.newTransformer();
      DOMSource source = new DOMSource(doc);
      StreamResult target = new StreamResult(System.out);
      transformer.transform(source, target);

    }catch ( FactoryConfigurationError fce ) {
      System.err.println("domFactory设置错误"
        + fce.getMessage() );
    }catch ( ParserConfigurationException pce ) {
      System.err.println("domBuilder设置错误"
        + pce.getMessage() );
    }catch ( Exception e ) {
      System.err.println("其他错误"
        + e.getMessage() );
      e.printStackTrace();
    }
  }
}