searchelement.java

来自「exemples for Simple API fro XML SAX」· Java 代码 · 共 37 行

package roseindia;

import org.w3c.dom.*;
import org.apache.xerces.parsers.DOMParser;
import java.io.*;

public class SearchElement{
  public static void main(String[] args) {
    try{
      BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
      System.out.print("Enter file name: ");
      String str = bf.readLine();
      File file = new File(str);
      if (file.exists()){
        DOMParser parser = new DOMParser();
        parser.parse(str);
        Document doc = parser.getDocument();
        System.out.print("Enter element that have to count: ");
        String ele = bf.readLine();
        NodeList list = doc.getElementsByTagName(ele);
        if(list.getLength() == 0){
          System.out.println("Element doesn't exist in the " + str + " Document.");
        }
        else{
          System.out.println("Element occurrs " + list.getLength() + " times in the " + str);
        }
      }
      else{
        System.out.println("File not found!");
      }
    }
    catch (Exception e){
      e.getMessage();
    }
  }
}