element « document « Java XML Q&A

1. How to keep whitespace before document element when parsing with Java?    stackoverflow.com

In my application, I alter some part of XML files, which begin like this:

<?xml version="1.0" encoding="UTF-8"?>
<!-- $Id: version control yadda-yadda $ -->

<myElement>
...

2. Java: Create DOM Element from Element, not Document    stackoverflow.com

As you know, the proper way to create a Dom Element in Java is to do something like this.

import org.w3c.dom.Document;
import org.w3c.dom.Element;

Document d;
Element e;

e = d.createElement("tag");

3. How to ignore unused XML elements while deserializing a document?    stackoverflow.com

I'm using SimpleXml to (de)serialize POJOs. Now, I have a big XML which has some elements which are not needed. For instance, with this XML:

<Root>
   <Element>Used</Element>
   <Another>Not ...

4. Java: get xpath of element in org.w3c.dom document    stackoverflow.com

I've written what I want to achieve. however, getElementIdx() function doesn't return proper count. There's an issue with getPreviousSibling() but I don't know why.

public static String getElementXpath(DOMElement elt){
    ...

5. Java: Most efficient method to iterate over all elements in a org.w3c.dom.Document?    stackoverflow.com

What is the most efficient way to iterate through all DOM elements in Java? Something like this but for every single DOM elements on current org.w3c.dom.Document?

for(Node childNode = node.getFirstChild(); childNode!=null;){
   ...

6. Java: how to locate an element via xpath string on org.w3c.dom.document    stackoverflow.com

How do you quickly locate element/elements via xpath string on a given org.w3c.dom.document? there seems to be no FindElementsByXpath() method. For example

/html/body/p/div[3]/a

7. Use DOM to get the element value of XML document?    forums.oracle.com

Thanks for all of you. The code indicates that I need to get the node by tag name. If I do not know the distribution of the elements and want to traverse all nodes. If the node contains value, I retrieve the value. How to implement the general case. For example, my XML file represent a directory hierarchy and looks like ...