/**
* Find the first direct child with a given attribute.
*
* @param parent
* @param elemName name of the element, or null for any
* @param attName attribute we're looking for
* @param attVal attribute value or null if we just want any
*/
public static Node findChildWithAtt(Node parent, String elemName, String attName, String attVal) {
Node child = DomUtil.getChild(parent, Node.ELEMENT_NODE);
if (attVal == null) {
while (child != null
&& (elemName == null || elemName.equals(child.getNodeName()))
&& DomUtil.getAttribute(child, attName) != null) {
child = getNext(child, elemName, Node.ELEMENT_NODE);
}
} else {
while (child != null
&& (elemName == null || elemName.equals(child.getNodeName()))
&& !attVal.equals(DomUtil.getAttribute(child, attName))) {
child = getNext(child, elemName, Node.ELEMENT_NODE);
}
}
return child;
}
/** Get the trimed text content of a node or null if there is no text */
public static String getContent(Node n) {
if (n == null) return null;
Node n1 = DomUtil.getChild(n, Node.TEXT_NODE);
if (n1 == null) return null;
String s1 = n1.getNodeValue();
return s1.trim();
}
/** Set or replace the text value */
public static void setText(Node node, String val) {
Node chld = DomUtil.getChild(node, Node.TEXT_NODE);
if (chld == null) {
Node textN = node.getOwnerDocument().createTextNode(val);
node.appendChild(textN);
return;
}
// change the value
chld.setNodeValue(val);
}