/** Free resources related to annotation processing. */
public void close() {
filer.close();
if (discoveredProcs != null) // Make calling close idempotent
discoveredProcs.close();
discoveredProcs = null;
if (processorClassLoader != null && processorClassLoader instanceof Closeable) {
try {
((Closeable) processorClassLoader).close();
} catch (IOException e) {
JCDiagnostic msg = diags.fragment("fatal.err.cant.close.loader");
throw new FatalError(msg, e);
}
}
}
private void discoverAndRunProcs(
Context context,
Set<TypeElement> annotationsPresent,
List<ClassSymbol> topLevelClasses,
List<PackageSymbol> packageInfoFiles) {
Map<String, TypeElement> unmatchedAnnotations =
new HashMap<String, TypeElement>(annotationsPresent.size());
for (TypeElement a : annotationsPresent) {
unmatchedAnnotations.put(a.getQualifiedName().toString(), a);
}
// Give "*" processors a chance to match
if (unmatchedAnnotations.size() == 0) unmatchedAnnotations.put("", null);
DiscoveredProcessors.ProcessorStateIterator psi = discoveredProcs.iterator();
// TODO: Create proper argument values; need past round
// information to fill in this constructor. Note that the 1
// st round of processing could be the last round if there
// were parse errors on the initial source files; however, we
// are not doing processing in that case.
Set<Element> rootElements = new LinkedHashSet<Element>();
rootElements.addAll(topLevelClasses);
rootElements.addAll(packageInfoFiles);
rootElements = Collections.unmodifiableSet(rootElements);
RoundEnvironment renv =
new JavacRoundEnvironment(false, false, rootElements, JavacProcessingEnvironment.this);
while (unmatchedAnnotations.size() > 0 && psi.hasNext()) {
ProcessorState ps = psi.next();
Set<String> matchedNames = new HashSet<String>();
Set<TypeElement> typeElements = new LinkedHashSet<TypeElement>();
for (Map.Entry<String, TypeElement> entry : unmatchedAnnotations.entrySet()) {
String unmatchedAnnotationName = entry.getKey();
if (ps.annotationSupported(unmatchedAnnotationName)) {
matchedNames.add(unmatchedAnnotationName);
TypeElement te = entry.getValue();
if (te != null) typeElements.add(te);
}
}
if (matchedNames.size() > 0 || ps.contributed) {
boolean processingResult = callProcessor(ps.processor, typeElements, renv);
ps.contributed = true;
ps.removeSupportedOptions(unmatchedProcessorOptions);
if (printProcessorInfo || verbose) {
log.printNoteLines(
"x.print.processor.info",
ps.processor.getClass().getName(),
matchedNames.toString(),
processingResult);
}
if (processingResult) {
unmatchedAnnotations.keySet().removeAll(matchedNames);
}
}
}
unmatchedAnnotations.remove("");
if (lint && unmatchedAnnotations.size() > 0) {
// Remove annotations processed by javac
unmatchedAnnotations.keySet().removeAll(platformAnnotations);
if (unmatchedAnnotations.size() > 0) {
log = Log.instance(context);
log.warning("proc.annotations.without.processors", unmatchedAnnotations.keySet());
}
}
// Run contributing processors that haven't run yet
psi.runContributingProcs(renv);
// Debugging
if (options.isSet("displayFilerState")) filer.displayState();
}
public boolean atLeastOneProcessor() {
return discoveredProcs.iterator().hasNext();
}