I have开发者_如何学运维 a xml structure as follows:
<rurl modify="0" children="yes" index="8" name="R-URL">
<status>enabled</status>
<rurl-link priority="3">http</rurl-link>
<rurl-link priority="5">http://localhost:80</rurl-link>
<rurl-link priority="4">abc</rurl-link>
<rurl-link priority="3">b</rurl-link>
<rurl-link priority="2">a</rurl-link>
<rurl-link priority="1">newlinkkkkkkk</rurl-link>
</rurl>
Now, I want to remove a child node, where text is equal to http. currently I am using this code:
while(subchilditr.hasNext()){
Element subchild = (Element)subchilditr.next();
if (subchild.getText().equalsIgnoreCase(text)) {
message = subchild.getText();
update = "Success";
subchild.removeAttribute("priority");
subchild.removeContent();
}
But it is not completely removing the sub element from xml file. It leaves me with
<rurl-link/>
Any suggestions?
You'll need to do this:
List<Element> elements = new ArrayList<Element>();
while (subchilditr.hasNext()) {
Element subchild = (Element) subchilditr.next();
if (subchild.getText().equalsIgnoreCase(text)) {
elements.add(subchild);
}
}
for (Element element : elements) {
element.getParent().removeContent(element);
}
If you try to remove an element inside of the loop you'll get a ConcurrentModificationException
.
If you have the parent element rurl
you can remove its children using the method removeChild or removeChildren.
Use removeChild()
http://download.oracle.com/javase/1.5.0/docs/api/org/w3c/dom/Node.html#removeChild(org.w3c.dom.Node)
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