[jdom-interest] Searching a JDOM document

[Xuemin Guan]

Hi, there. Take a look at the JDOM API for the Element class, you will 
find a few ways to do this better:
such as:

Element getChild(java.lang.String name)
Element getChild(java.lang.String name, Namespace ns)
java.util.List getChildren()
java.util.List getChildren(java.lang.String name)

Alternatively,

you can use XPath with JDOM, it will make your code very neat. For more 
infos on this, take a look at JDOM FAQ (www.jdom.org)

Thanks,

Xuemin


Hushagen, Michael E. wrote:

> Here's a JDOM question for all the gurus out there:
> 
> I want to search a JDOM document and return the element that matches the
> name I pass in the parameters.  Here's what I have (it's recursive):
> 
> public Element findElement(Element current, String elementName)
> {
> 	if (current.getName() == elementName)
> 	{
> 		return current;
> 	}
> 	List children = current.getChildren();
> 	Iterator iterator = children.iterator();
> 	while (iterator.hasNext())
> 	{
> 		Element child = (Element) iterator.next();
> 		Element tempElement = findElement(child, elementName);
> 		if (tempElement != null)
> 			return tempElement;
> 	}
>              // Didn't find the element anywhere.
> 	return null;
> }
> 
> I call this method with the JDOM root element.  It works fine, but I was
> wondering if there is a more efficient or official way of doing this.
> 
> Thanks!
>  -Mike H.
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-- 
Xuemin Guan
Java & XML Developer
Appresso SpA (www.appresso.com)
Tel: +81-3-4412-7790 (Direct)
      +81-3-4412-7700 (Representative)	
Email: xuemin at appresso.com