public boolean canFindUsages(@NotNull final PsiElement element) {
for (FindUsagesHandlerFactory factory :
Extensions.getExtensions(FindUsagesHandlerFactory.EP_NAME, myProject)) {
try {
if (factory.canFindUsages(element)) {
return true;
}
} catch (IndexNotReadyException e) {
throw e;
} catch (Exception e) {
LOG.error(e);
}
}
return false;
}
@Nullable
public FindUsagesHandler getFindUsagesHandler(
PsiElement element, final boolean forHighlightUsages) {
for (FindUsagesHandlerFactory factory :
Extensions.getExtensions(FindUsagesHandlerFactory.EP_NAME, myProject)) {
if (factory.canFindUsages(element)) {
final FindUsagesHandler handler =
factory.createFindUsagesHandler(element, forHighlightUsages);
if (handler == FindUsagesHandler.NULL_HANDLER) return null;
if (handler != null) {
return handler;
}
}
}
return null;
}
@Nullable
public FindUsagesHandler getNewFindUsagesHandler(
@NotNull PsiElement element, final boolean forHighlightUsages) {
for (FindUsagesHandlerFactory factory :
Extensions.getExtensions(FindUsagesHandlerFactory.EP_NAME, myProject)) {
if (factory.canFindUsages(element)) {
Class<? extends FindUsagesHandlerFactory> aClass = factory.getClass();
FindUsagesHandlerFactory copy =
(FindUsagesHandlerFactory)
new ConstructorInjectionComponentAdapter(aClass.getName(), aClass)
.getComponentInstance(myProject.getPicoContainer());
final FindUsagesHandler handler = copy.createFindUsagesHandler(element, forHighlightUsages);
if (handler == FindUsagesHandler.NULL_HANDLER) return null;
if (handler != null) {
return handler;
}
}
}
return null;
}