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Re: skipping the null node values in a DOM Tree

• To: "Seetha Rama Krishna" <ram_kurra@y...>
• Subject: Re: skipping the null node values in a DOM Tree
• From: "Anthony Ettinger" <aettinger@s...>
• Date: Wed, 7 Jun 2006 22:19:53 -0700
• Cc: xml-dev@l...
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• Sender: ettinger@g...

probably just need to check if it has a value before you do something with it:

if (chhh.getFirstChild().getNodeValue()) {
    //do a print
    System.out.println("NodeType 1" +chhh.getFirstChild().getNodeValue());
    applicationArrayList.add(chhh.getFirstChild().getNodeValue());
}



On 6/7/06, Seetha Rama Krishna <ram_kurra@y...> wrote:
> Hi,
>        I am having an xml file like the following
>  <application>
>          <row>
>              <id>4</id>
>              <name>CLIENTDEMO</name>
>              <description/>
>          </row>
>   </application>
>          I had written java code to iterate thru this xml and retrieve the
> values .  when the element <description>  came I am getting null pointer
> xception.
>
>      Here is my code.
>  NodeList application =
> documentElement.getElementsByTagName("application");
>      for (int i = 0; i < application.getLength(); i++)
>          {
>
>              NodeList nl = application.item(i).getChildNodes();
>              {
>                  Node ch = application.item(i);
>                  NodeList nll = ch.getChildNodes();
>                  ArrayList applicationArrayList = new ArrayList();
>                  for (int j = 0; j < nll.getLength(); j++)
>                  {
>                      Node chh = nl.item(j);
>                      NodeList nlll = chh.getChildNodes();
>                      //System.out.println("Animals = " + nlll.getLength());
>
>                      for (int k = 0; k < nlll.getLength()-1; k++)
>                      {
>                          Node chhh = nlll.item(k);
>                          System.out.println("NodeType 1"+
> chhh.getNodeType());
>                          if (chhh.getNodeType() == 1)
>                          {
>                              System.out.println("NodeType 1"+
> chhh.getNodeName());
>                              System.out.println("NodeType 1"
> +chhh.getFirstChild().getNodeValue());
>
> applicationArrayList.add(chhh.getFirstChild().getNodeValue());
>
>                          }
>
>                      }
>
>                  }
>
>
>              }
>
>
>          }
>
>      How can I skip  when i get null values in the xml??
>
>
>
>
>
> regards,
> ramu
>
>  Send instant messages to your online friends http://in.messenger.yahoo.com
>
>  Stay connected with your friends even when away from PC. Link:
> http://in.mobile.yahoo.com/new/messenger/


-- 
Anthony Ettinger
Signature: http://chovy.dyndns.org/hcard.html

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    • From: Seetha Rama Krishna <ram_kurra@y...>

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