/**
* Gets application element name for full path of it's primary file from index
*
* @param aFile Primary file object.
* @return application element name
*/
public static String file2AppElementId(FileObject aFile) {
if (aFile != null) {
try {
final Collection<FileObject> roots =
new ArrayList<>(
QuerySupport.findRoots(
(Project) null,
null,
Collections.<String>emptyList(),
Collections.<String>emptyList()));
QuerySupport q =
QuerySupport.forRoots(
FileIndexer.INDEXER_NAME,
FileIndexer.INDEXER_VERSION,
roots.toArray(new FileObject[roots.size()]));
Collection<? extends IndexResult> results =
q.query(FileIndexer.FULL_PATH, aFile.getPath(), QuerySupport.Kind.EXACT);
if (results.size() == 1) {
IndexResult result = results.iterator().next();
return result.getValue(FileIndexer.APP_ELEMENT_NAME);
}
} catch (IOException ex) {
Logger.getLogger(IndexerQuery.class.getName()).log(Level.WARNING, null, ex);
}
}
return null;
}
/**
* Finds application elements files by its identifier prefix
*
* @param project project a project the application element belongs
* @param prefix application element prefix
* @return application elements primary files collection
*/
public static Collection<AppElementInfo> appElementsByPrefix(Project project, String prefix) {
if (prefix != null) {
try {
final Collection<FileObject> roots =
new ArrayList<>(
QuerySupport.findRoots(
project,
null,
Collections.<String>emptyList(),
Collections.<String>emptyList()));
QuerySupport q =
QuerySupport.forRoots(
FileIndexer.INDEXER_NAME,
FileIndexer.INDEXER_VERSION,
roots.toArray(new FileObject[roots.size()]));
// Hack! I could not make case insensitive prefix query work, at this moment I've decided to
// retrieve all elements to filter them later
Collection<? extends IndexResult> queryResults =
q.query(
FileIndexer.APP_ELEMENT_NAME,
"",
QuerySupport.Kind.CASE_INSENSITIVE_PREFIX); // NOI18N
List<AppElementInfo> results = new ArrayList<>();
for (IndexResult queryResult : queryResults) {
String appElementName = queryResult.getValue(FileIndexer.APP_ELEMENT_NAME);
if (appElementName != null
&& appElementName.toLowerCase().startsWith(prefix.toLowerCase())) {
results.add(new AppElementInfo(appElementName, queryResult.getFile()));
}
}
return results;
} catch (IOException ex) {
Logger.getLogger(IndexerQuery.class.getName()).log(Level.WARNING, null, ex);
}
return null;
} else {
return Collections.EMPTY_LIST;
}
}