Comment Example

import org.jdom.*;
import org.jdom.input.SAXBuilder;
import java.util.*;


public class CommentReader {

  public static void main(String[] args) {
     
    SAXBuilder builder = new SAXBuilder();
    
    for (int i = 0; i < args.length; i++) {
      try {
        // Read the entire document into memory
        Document doc = builder.build(args[i]);
        List content = doc.getContent();
        Iterator iterator = content.iterator();
        while (iterator.hasNext()) {
          Object o = iterator.next();
          if (o instanceof Comment) {
            Comment c = (Comment) o;
            System.out.println(c.getText());     
            System.out.println();     
          }
          else if (o instanceof Element) {
            processElement((Element) o);   
          }
        }
      }
      catch (JDOMException e) {
        System.err.println(e); 
        e.getCause().printStackTrace(); 
      }
      
    }
  
  } // end main

  // note use of recursion
  public static void processElement(Element element) {
    
    List content = element.getContent();
    Iterator iterator = content.iterator();
    while (iterator.hasNext()) {
      Object o = iterator.next();
      if (o instanceof Comment) {
        Comment c = (Comment) o;
        System.out.println(c.getText());     
        System.out.println();     
      }
      else if (o instanceof Element) {
        processElement((Element) o);   
      }
    } // end while
    
  }

}