public static void performOnRootElement(
IFile resource, NodeOperation<Element> operation, boolean autoSave)
throws IOException, CoreException {
assert resource != null;
assert operation != null;
IDOMModel domModel = null;
try {
domModel = (IDOMModel) StructuredModelManager.getModelManager().getModelForRead(resource);
if (domModel == null) {
throw new IllegalArgumentException("Document is not structured: " + resource);
}
IStructuredDocument document = domModel.getStructuredDocument();
Element root = domModel.getDocument().getDocumentElement();
operation.process(root, document);
if (autoSave && domModel.getReferenceCountForEdit() == 0) {
domModel.save();
}
} finally {
if (domModel != null) {
domModel.releaseFromRead();
}
}
}
/**
* this method grabs the IDOMModel for the IDocument, performs the passed operation on the root
* element of the document and then releases the IDOMModel root Element value is also an instance
* of IndexedRegion
*
* @param doc
* @param operation
*/
public static void performOnRootElement(IDocument doc, NodeOperation<Element> operation) {
assert doc != null;
assert operation != null;
IDOMModel domModel = null;
try {
domModel = (IDOMModel) StructuredModelManager.getModelManager().getExistingModelForRead(doc);
if (domModel == null) {
throw new IllegalArgumentException("Document is not structured: " + doc);
}
IStructuredDocument document = domModel.getStructuredDocument();
Element root = domModel.getDocument().getDocumentElement();
operation.process(root, document);
} finally {
if (domModel != null) {
domModel.releaseFromRead();
}
}
}