void scan(String prefix) {
if (ALL.equals(prefix)) {
scanOne(HEAD);
scanTree(R_REFS, refsDir);
// If any entries remain, they are deleted, drop them.
if (newLoose == null && curIdx < curLoose.size()) newLoose = curLoose.copy(curIdx);
} else if (prefix.startsWith(R_REFS) && prefix.endsWith("/")) { // $NON-NLS-1$
curIdx = -(curLoose.find(prefix) + 1);
File dir = new File(refsDir, prefix.substring(R_REFS.length()));
scanTree(prefix, dir);
// Skip over entries still within the prefix; these have
// been removed from the directory.
while (curIdx < curLoose.size()) {
if (!curLoose.get(curIdx).getName().startsWith(prefix)) break;
if (newLoose == null) newLoose = curLoose.copy(curIdx);
curIdx++;
}
// Keep any entries outside of the prefix space, we
// do not know anything about their status.
if (newLoose != null) {
while (curIdx < curLoose.size()) newLoose.add(curLoose.get(curIdx++));
}
}
}
// Converts a String with no spaces to a singleton list
private static List<String> toSingletonList(String propertyName, String value) {
if ((null == value) || (value.length() == 0)) {
return null;
}
if (value.charAt(0) == '@') {
// These are very common, so we use shared copies
// of these collections instead of re-creating.
List<String> list;
if (ALL.equals(value)) {
list = ALL_LIST;
} else if (FORM.equals(value)) {
list = FORM_LIST;
} else if (THIS.equals(value)) {
list = THIS_LIST;
} else if (NONE.equals(value)) {
list = NONE_LIST;
} else {
// RELEASE_PENDING i18n ;
throw new FacesException(
value + " : Invalid id keyword specified for '" + propertyName + "' attribute");
}
return list;
}
return Collections.singletonList(value);
}
public static Category make(String categoryName) {
if (categoryName.equals(ALL.toString())) return ALL;
else if (categoryName.equals(UNCATEGORIZED.toString())) return UNCATEGORIZED;
else if (categoryName.equals(SCIFI.toString())) return SCIFI;
else if (categoryName.equals(FANTASY.toString())) return FANTASY;
else if (categoryName.equals(THRILLER.toString())) return THRILLER;
else if (categoryName.equals(COMEDY.toString())) return COMEDY;
else return HORROR;
}
@Override
public Map<String, Ref> getRefs(String prefix) throws IOException {
if (ALL.equals(prefix)) {
Map<String, Ref> existing = new HashMap<String, Ref>();
existing.put("refs/heads/a/b", null /* not used */);
existing.put("refs/heads/q", null /* not used */);
return existing;
} else {
return Collections.emptyMap();
}
}
public void testBundleCollisionDisconnectedRegions() throws BundleException, InvalidSyntaxException {
// get the system region
Region systemRegion = digraph.getRegion(0);
Collection<Bundle> bundles = new HashSet<Bundle>();
// create 4 disconnected test regions and install each bundle into each region
int numRegions = 4;
String regionName = "IsolatedRegion_";
for (int i = 0; i < numRegions; i++) {
Region region = digraph.createRegion(regionName + i);
// Import the system bundle from the systemRegion
digraph.connect(region, digraph.createRegionFilterBuilder().allow(RegionFilter.VISIBLE_BUNDLE_NAMESPACE, "(id=0)").build(), systemRegion);
// must import Boolean services into systemRegion to test
digraph.connect(systemRegion, digraph.createRegionFilterBuilder().allow(RegionFilter.VISIBLE_SERVICE_NAMESPACE, "(objectClass=java.lang.Boolean)").build(), region);
for (String location : ALL) {
Bundle b = bundleInstaller.installBundle(location, region);
bundles.add(b);
}
}
assertEquals("Wrong number of bundles installed", numRegions * ALL.size(), bundles.size());
assertTrue("Could not resolve bundles.", bundleInstaller.resolveBundles(bundles.toArray(new Bundle[bundles.size()])));
// test install of duplicates
for (int i = 0; i < numRegions; i++) {
Region region = digraph.getRegion(regionName + i);
for (String name : ALL) {
String location = bundleInstaller.getBundleLocation(name);
try {
Bundle b = region.installBundle(getName() + "_expectToFail", new URL(location).openStream());
b.uninstall();
fail("Expected a bundle exception on duplicate bundle installation: " + name);
} catch (BundleException e) {
// expected
assertEquals("Wrong exception type.", BundleException.DUPLICATE_BUNDLE_ERROR, e.getType());
} catch (IOException e) {
fail("Failed to open bunldle location: " + e.getMessage());
}
}
}
// test update to a duplicate
for (int i = 0; i < numRegions; i++) {
Region region = digraph.getRegion(regionName + i);
Bundle regionPP1 = region.getBundle(PP1, new Version(1, 0, 0));
String locationSP1 = bundleInstaller.getBundleLocation(SP1);
try {
regionPP1.update(new URL(locationSP1).openStream());
fail("Expected a bundle exception on duplicate bundle update: " + region);
} catch (BundleException e) {
// expected
assertEquals("Wrong exception type.", BundleException.DUPLICATE_BUNDLE_ERROR, e.getType());
} catch (IOException e) {
fail("Failed to open bunldle location: " + e.getMessage());
}
// now uninstall SP1 and try to update PP1 to SP1 again
Bundle regionSP1 = region.getBundle(SP1, new Version(1, 0, 0));
regionSP1.uninstall();
try {
regionPP1.update(new URL(locationSP1).openStream());
} catch (IOException e) {
fail("Failed to open bunldle location: " + e.getMessage());
}
}
}
@SuppressWarnings({"unchecked", "ConstantConditions"})
private void manageType(TypeElement enclosingElement, Logger logger) {
// Make sure we don't process twice the same type
String simpleName = enclosingElement.getSimpleName().toString();
String qualifiedName = enclosingElement.getQualifiedName().toString();
String packageName = Utils.getElementPackageName(enclosingElement);
if (managedTypes.contains(qualifiedName)) return;
managedTypes.add(qualifiedName);
// Prepare the output file
try {
JavaFileObject classFile =
processingEnv.getFiler().createSourceFile(qualifiedName + INJECTOR_SUFFIX);
logger.note("Writing " + classFile.toUri().getRawPath());
Writer out = classFile.openWriter();
JavaWriter writer = new JavaWriter(out);
writer.emitPackage(packageName);
// Initial imports
writer
.emitImports(AsyncService.class, Injector.class, Message.class, Set.class, HashSet.class)
.emitImports(
"com.joanzapata.android.asyncservice.api.annotation.OnMessage.Priority",
"android.os.Handler",
"android.os.Looper")
.emitStaticImports(
"com.joanzapata.android.asyncservice.api.annotation.OnMessage.Priority.*");
// Generates "public final class XXXInjector extends Injector<XXX>"
writer
.emitEmptyLine()
.beginType(
simpleName + INJECTOR_SUFFIX,
"class",
of(PUBLIC, FINAL),
"Injector<" + simpleName + ">");
// Generate a handler to execute runnables on the UI Thread
writer
.emitEmptyLine()
.emitField(
"Handler", "__handler", of(PRIVATE, FINAL), "new Handler(Looper.getMainLooper())");
// Keep trace of when a method has received data which is not from cache
writer
.emitEmptyLine()
.emitField(
"Set<String>",
"__receivedFinalResponses",
of(PRIVATE, FINAL),
"new HashSet<String>()");
// Generates "protected void inject(XXX target) { ..."
writer
.emitEmptyLine()
.emitAnnotation(Override.class)
.beginMethod("void", "inject", of(PROTECTED), simpleName, "target");
// Here, inject all services
List<Element> elementsAnnotatedWith =
findElementsAnnotatedWith(enclosingElement, InjectService.class);
for (Element element : elementsAnnotatedWith) {
if (isPublicOrPackagePrivate(element)) {
writer.emitStatement(
"target.%s = new %s(target)",
element.getSimpleName(),
element.asType().toString() + AsyncServiceAP.GENERATED_CLASS_SUFFIX);
}
}
// End of inject()
writer.endMethod().emitEmptyLine();
// Generates "protected void dispatch(XXX target, Message event)"
writer
.emitAnnotation(Override.class)
.beginMethod(
"void",
"dispatch",
of(PROTECTED),
"final " + simpleName,
"target",
"final " + Message.class.getSimpleName(),
"event",
Priority.class.getSimpleName(),
"priority");
// Once the user has received a "remote" result, make sure no cache is sent anymore
writer
.emitField(
"boolean",
"__hasBeenReceivedAlready",
of(FINAL),
"event.getQuery() != null && __receivedFinalResponses.contains(event.getQuery())")
.emitStatement("if (event.isCached() && __hasBeenReceivedAlready) return")
.emitStatement(
"if (!__hasBeenReceivedAlready && !event.isCached() && priority == LAST) __receivedFinalResponses.add(event.getQuery())");
// Here, dispatch events to methods
List<Element> responseReceivers =
findElementsAnnotatedWith(enclosingElement, OnMessage.class);
for (Element responseReceiver : responseReceivers) {
ExecutableElement annotatedMethod = (ExecutableElement) responseReceiver;
AnnotationMirror annotationMirror = getAnnotation(annotatedMethod, OnMessage.class);
List<? extends VariableElement> parameters = annotatedMethod.getParameters();
if (parameters.size() > 1)
logger.error(
responseReceiver, "@OnMessage annotated methods can't have more than 1 argument");
// Define event type given parameter or @InjectResponse value
List<String> eventTypes;
boolean hasArg = parameters.size() == 1;
if (hasArg) {
TypeMirror typeMirror = parameters.get(0).asType();
eventTypes = asList(typeMirror.toString());
if (hasTypeParameters(processingEnv, typeMirror))
logger.error(
parameters.get(0),
"You can't receive typed parameters in @OnMessage annotated methods");
} else {
List<AnnotationValue> parameterTypeClasses =
getAnnotationValue(annotationMirror, "value");
// Validate each parameter type given in the annotation
eventTypes = new ArrayList<String>();
for (AnnotationValue value : parameterTypeClasses) {
DeclaredType parameterTypeClass = (DeclaredType) value.getValue();
if (parameterTypeClass == null)
logger.error(
annotatedMethod, "Either declare an argument or give @OnMessage a value.");
if (hasTypeParameters(processingEnv, parameterTypeClass))
logger.error(
annotatedMethod,
annotationMirror,
"value",
"You can't receive typed parameters in @OnMessage method");
eventTypes.add(parameterTypeClass.toString());
}
}
// Define whether we should check emitter or not dependeing on the annotation value
VariableElement from = getAnnotationValue(annotationMirror, "from");
boolean checkEmitter = !ALL.toString().equals("" + from);
// Check the priority of the method
VariableElement priorityValue = getAnnotationValue(annotationMirror, "priority");
Priority priority = !LAST.toString().equals("" + priorityValue) ? FIRST : LAST;
writer.beginControlFlow("if (priority == %s)", priority);
// Write the code to call the user method
if (checkEmitter) writer.beginControlFlow("if (event.getEmitter() == getTarget())");
// Create a new inner class for the Runnable to run on UI thread
StringWriter buffer = new StringWriter();
JavaWriter inner = new JavaWriter(buffer);
inner
.emitPackage("")
.beginType("Runnable()", "new")
.emitAnnotation("Override")
.beginMethod("void", "run", of(PUBLIC));
if (hasArg)
inner.emitStatement(
"target.%s((%s) event.getPayload())",
annotatedMethod.getSimpleName(), eventTypes.get(0));
else inner.emitStatement("target.%s()", annotatedMethod.getSimpleName());
inner.endMethod().endType();
// For each type (can be multiple)
for (int i = 0; i < eventTypes.size(); i++) {
String eventType = eventTypes.get(i);
writer
.beginControlFlow(
"%sif (event.getPayload() instanceof %s)", i != 0 ? "else " : "", eventType)
.emitStatement("__handler.post(%s)", buffer.toString())
.endControlFlow();
}
if (checkEmitter) writer.endControlFlow();
writer.endControlFlow();
}
// End of inject();
writer.endMethod().emitEmptyLine();
// End of file
writer.endType();
out.flush();
out.close();
} catch (IOException e) {
throw new IllegalStateException("Error while create the injector for " + qualifiedName, e);
}
}