/**
* Create a NodeModel from an XML file.
*
* @param removeComments whether to remove all comment nodes (recursively) from the tree before
* processing
* @param removePIs whether to remove all processing instruction nodes (recursively from the tree
* before processing
*/
public static NodeModel parse(File f, boolean removeComments, boolean removePIs)
throws SAXException, IOException, ParserConfigurationException {
DocumentBuilder builder = getDocumentBuilderFactory().newDocumentBuilder();
if (errorHandler != null) builder.setErrorHandler(errorHandler);
Document doc = builder.parse(f);
if (removeComments) {
removeComments(doc);
}
if (removePIs) {
removePIs(doc);
}
mergeAdjacentText(doc);
return wrap(doc);
}
/**
* Recursively removes all comment nodes from the subtree.
*
* @see #simplify
*/
public static void removeComments(Node node) {
NodeList children = node.getChildNodes();
int i = 0;
int len = children.getLength();
while (i < len) {
Node child = children.item(i);
if (child.hasChildNodes()) {
removeComments(child);
i++;
} else {
if (child.getNodeType() == Node.COMMENT_NODE) {
node.removeChild(child);
len--;
} else {
i++;
}
}
}
}
