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package com.intellij.psi.impl.search;
import com.intellij.psi.*;
import com.intellij.psi.search.searches.ReferencesSearch;
import com.intellij.psi.util.PsiUtil;
import com.intellij.util.Processor;
import com.intellij.util.Query;
import com.intellij.util.QueryExecutor;
import com.intellij.openapi.application.ReadActionProcessor;
import org.jetbrains.annotations.NotNull;
/**
* @author max
*/
public class PsiAnnotationMethodReferencesSearcher implements QueryExecutor<PsiReference, ReferencesSearch.SearchParameters> {
@Override
public boolean execute(@NotNull final ReferencesSearch.SearchParameters p, @NotNull final Processor<PsiReference> consumer) {
final PsiElement refElement = p.getElementToSearch();
if (PsiUtil.isAnnotationMethod(refElement)) {
PsiMethod method = (PsiMethod)refElement;
if (PsiAnnotation.DEFAULT_REFERENCED_METHOD_NAME.equals(method.getName()) && method.getParameterList().getParametersCount() == 0) {
final Query<PsiReference> query = ReferencesSearch.search(method.getContainingClass(), p.getScope(), p.isIgnoreAccessScope());
return query.forEach(createImplicitDefaultAnnotationMethodConsumer(consumer));
}
}
return true;
}
public static ReadActionProcessor<PsiReference> createImplicitDefaultAnnotationMethodConsumer(final Processor<PsiReference> consumer) {
return new ReadActionProcessor<PsiReference>() {
@Override
public boolean processInReadAction(final PsiReference reference) {
if (reference instanceof PsiJavaCodeReferenceElement) {
PsiJavaCodeReferenceElement javaReference = (PsiJavaCodeReferenceElement)reference;
if (javaReference.getParent() instanceof PsiAnnotation) {
PsiNameValuePair[] members = ((PsiAnnotation)javaReference.getParent()).getParameterList().getAttributes();
if (members.length == 1 && members[0].getNameIdentifier() == null) {
PsiReference t = members[0].getReference();
if (t != null && !consumer.process(t)) return false;
}
}
}
return true;
}
};
}
}
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