RE: node value

[vmittal]

Thanks binu

it is not working. again null values


code is 


import org.apache.xerces.parsers.DOMParser;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
import java.io.IOException;

//  A Simple DOM Application
public class BasicDOM {
   
   // Constructor
   public BasicDOM (String xmlFile) {
      
      //  Create a Xerces DOM Parser
      DOMParser parser = new DOMParser();

      //  Parse the Document     
      //  and traverse the DOM
      try {
         parser.parse(xmlFile);
         Document document = parser.getDocument();
         parser.setIncludeIgnorableWhitespace(false);
         traverse (document);
      } catch (SAXException e) {
         System.err.println (e);
      } catch (IOException e) {
         System.err.println (e);
      }
   }
   
   //  Traverse DOM Tree.  Print out Element Names
   private void traverse (Node node) {
      int type = node.getNodeType();
      if (type == Node.ELEMENT_NODE)
                System.out.println(node.getNodeName() + 
getElementTextValue(node));
                
      NodeList children = node.getChildNodes();
      if (children != null) {
         for (int i=0; i< children.getLength(); i++) 
            traverse (children.item(i));  
      }
   }
   
   
   private String getElementTextValue(Node e) {
        Node child = e.getFirstChild();
        if (child.getNodeType() == Node.TEXT_NODE){
                child.getNodeValue().toString();
        } 
        return null;
   }

   
   
   
   // Main Method
   public static void main (String[] args) {
      BasicDOM basicDOM = new BasicDOM (args[0]);
   }
}




---- Original message ----
>Date: Thu, 26 Jul 2001 17:34:36 -0700
>From: Bin Xu <[EMAIL PROTECTED]>  
>Subject: RE: node value  
>To: "'[EMAIL PROTECTED]'" <xerces-j-
[EMAIL PROTECTED]>
>
>You need set parser.setIncludeIgnorableWhitespace(false);
>
>-----Original Message-----
>From: [EMAIL PROTECTED] 
[mailto:[EMAIL PROTECTED]]
>Sent: Thursday, July 26, 2001 5:31 PM
>To: [EMAIL PROTECTED]
>Subject: RE: node value
>
>
>Thanks Binu
>
>The code is now running. it is giving values again null
>
>xml is 
><?xml version="1.0" encoding="UTF-8"?>
><!DOCTYPE WEATHER SYSTEM "Weather.dtd">
><WEATHER>
>  <CITY NAME="New York">
>    <TEMP>64
>  </CITY>
></WEATHER>
>
>dtd is 
><!ELEMENT WEATHER (CITY)+>
><!ELEMENT CITY (TEMP)>
><!ATTLIST CITY NAME CDATA #REQUIRED>
><!ELEMENT TEMP (#PCDATA)>  
>
>code is 
>
>import org.apache.xerces.parsers.DOMParser;
>import org.w3c.dom.Document;
>import org.w3c.dom.Node;
>import org.w3c.dom.NamedNodeMap;
>import org.w3c.dom.Element;
>import org.w3c.dom.NodeList;
>import org.xml.sax.SAXException;
>import java.io.IOException;
>
>//  A Simple DOM Application
>public class BasicDOM {
>   
>   // Constructor
>   public BasicDOM (String xmlFile) {
>      
>      //  Create a Xerces DOM Parser
>      DOMParser parser = new DOMParser();
>
>      //  Parse the Document     
>      //  and traverse the DOM
>      try {
>         parser.parse(xmlFile);
>         Document document = parser.getDocument();
>         traverse (document);
>      } catch (SAXException e) {
>         System.err.println (e);
>      } catch (IOException e) {
>         System.err.println (e);
>      }
>   }
>   
>   //  Traverse DOM Tree.  Print out Element Names
>   private void traverse (Node node) {
>      int type = node.getNodeType();
>      if (type == Node.ELEMENT_NODE)
>               System.out.println(node.getNodeName() + 
>getElementTextValue(node));
>               
>      NodeList children = node.getChildNodes();
>      if (children != null) {
>         for (int i=0; i< children.getLength(); i++) 
>            traverse (children.item(i));  
>      }
>   }
>   
>   
>   private String getElementTextValue(Node e) {
>       Node child = e.getFirstChild();
>       if (child.getNodeType() == Node.TEXT_NODE){
>               child.getNodeValue().toString();
>       } 
>       return null;
>   }
>
>   
>   
>   
>   // Main Method
>   public static void main (String[] args) {
>      BasicDOM basicDOM = new BasicDOM (args[0]);
>   }
>}
>
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