getrootnode.java

来自「exemples for Simple API fro XML SAX」· Java 代码 · 共 30 行

package roseindia;

import org.w3c.dom.*;
import javax.xml.parsers.*;
import java.io.*;

public class GetRootNode{
  public static void main(String[] args) {
    try{
      BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
      System.out.print("Enter xml file name: ");
      String str = bf.readLine();
      File file = new File(str);
      if (file.exists()){
        DocumentBuilderFactory fact = DocumentBuilderFactory.newInstance();
        DocumentBuilder builder = fact.newDocumentBuilder();
        Document doc = builder.parse(str);
        Node node = doc.getDocumentElement();
        //renvoie  la racine du document 
        String root = node.getNodeName();
        System.out.println("Root Node: " + root);
      }
      else{
        System.out.println("File not found!");
      }
    }
    catch(Exception e){}
  }
}