@NotNull
private MostlySingularMultiMap<String, AnnotationData> getDataFromFile(
@NotNull final PsiFile file) {
Pair<MostlySingularMultiMap<String, AnnotationData>, Long> cached =
annotationFileToDataAndModStamp.get(file);
final long fileModificationStamp = file.getModificationStamp();
if (cached != null && cached.getSecond() == fileModificationStamp) {
return cached.getFirst();
}
DataParsingSaxHandler handler = new DataParsingSaxHandler(file);
try {
SAXParser saxParser = SAXParserFactory.newInstance().newSAXParser();
saxParser.parse(new InputSource(new StringReader(escapeAttributes(file.getText()))), handler);
} catch (IOException e) {
LOG.error(e);
} catch (ParserConfigurationException e) {
LOG.error(e);
} catch (SAXException e) {
LOG.error(e);
}
Pair<MostlySingularMultiMap<String, AnnotationData>, Long> pair =
Pair.create(handler.getResult(), file.getModificationStamp());
annotationFileToDataAndModStamp.put(file, pair);
return pair.first;
}
public String diagnoseNull() {
final PsiFile file =
ApplicationManager.getApplication()
.runReadAction(
new Computable<PsiFile>() {
@Override
public PsiFile compute() {
return getFile();
}
});
try {
PsiElement element =
ApplicationManager.getApplication()
.runReadAction(
new NullableComputable<PsiElement>() {
@Override
public PsiElement compute() {
return restoreFromStubIndex(
(PsiFileWithStubSupport) file, myIndex, myElementType, true);
}
});
return "No diagnostics, element="
+ element
+ "@"
+ (element == null ? 0 : System.identityHashCode(element));
} catch (AssertionError e) {
String msg = e.getMessage();
msg +=
file == null
? "\n no PSI file"
: "\n current file stamp=" + (short) file.getModificationStamp();
final Document document =
FileDocumentManager.getInstance().getCachedDocument(myVirtualFile);
if (document != null) {
msg += "\n committed=" + PsiDocumentManager.getInstance(myProject).isCommitted(document);
msg += "\n saved=" + !FileDocumentManager.getInstance().isDocumentUnsaved(document);
}
return msg;
}
}
