private IResource[] removeDuplicateResources(IResource[] sourceResources) { // ignore empty array if (sourceResources == null || sourceResources.length == 0) { return sourceResources; } ArrayList<IResource> result = new ArrayList<IResource>(); for (IResource source : sourceResources) { if (result.size() == 0) { result.add(source); } else { // check if the resource is parent of any item in the result for (IResource existing : result) { // if the resource is parent of an existing item in the // result. // remove the existing item, add the new one. if (source.getFullPath().isPrefixOf(existing.getFullPath())) { result.remove(existing); result.add(source); } } boolean noNeedAdded = false; for (IResource existing : result) { // if the resource is parent of an existing item in the // result. // remove the existing item, add the new one. if (existing.getFullPath().isPrefixOf(source.getFullPath())) { noNeedAdded = true; } } // the source is not in the result after loop if (!result.contains(source) && !noNeedAdded) { result.add(source); } } } IResource[] ret = new IResource[result.size()]; return result.toArray(ret); }