/**
* Finds first element in the tree that satisfy specified condition.
*
* @param condition
* @param isRecursive
* @return First TagNode found, or null if no such elements.
*/
private TagNode findElement(ITagNodeCondition condition, boolean isRecursive) {
if (condition == null) {
return null;
}
for (int i = 0; i < children.size(); i++) {
Object item = children.get(i);
if (item instanceof TagNode) {
TagNode currNode = (TagNode) item;
if (condition.satisfy(currNode)) {
return currNode;
} else if (isRecursive) {
TagNode inner = currNode.findElement(condition, isRecursive);
if (inner != null) {
return inner;
}
}
}
}
return null;
}
/**
* Get all elements in the tree that satisfy specified condition.
*
* @param condition
* @param isRecursive
* @return List of TagNode instances with specified name.
*/
private List getElementList(ITagNodeCondition condition, boolean isRecursive) {
List result = new LinkedList();
if (condition == null) {
return result;
}
for (int i = 0; i < children.size(); i++) {
Object item = children.get(i);
if (item instanceof TagNode) {
TagNode currNode = (TagNode) item;
if (condition.satisfy(currNode)) {
result.add(currNode);
}
if (isRecursive) {
List innerList = currNode.getElementList(condition, isRecursive);
if (innerList != null && innerList.size() > 0) {
result.addAll(innerList);
}
}
}
}
return result;
}