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/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.codeInsight;
import com.intellij.codeInspection.bytecodeAnalysis.ProjectBytecodeAnalysis;
import com.intellij.codeInspection.dataFlow.ContractInference;
import com.intellij.codeInspection.dataFlow.MethodContract;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.PsiAnnotation;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiMethod;
import com.intellij.psi.PsiModifierListOwner;
import com.intellij.psi.util.PsiUtil;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.List;
import static com.intellij.codeInspection.dataFlow.ControlFlowAnalyzer.ORG_JETBRAINS_ANNOTATIONS_CONTRACT;
public class InferredAnnotationsManagerImpl extends InferredAnnotationsManager {
@NotNull
private static PsiModifierListOwner preferCompiledElement(@NotNull PsiModifierListOwner element) {
PsiElement original = element.getOriginalElement();
return original instanceof PsiModifierListOwner ? (PsiModifierListOwner)original : element;
}
@Nullable
@Override
public PsiAnnotation findInferredAnnotation(@NotNull PsiModifierListOwner listOwner, @NotNull String annotationFQN) {
listOwner = preferCompiledElement(listOwner);
PsiAnnotation fromBytecode = ProjectBytecodeAnalysis.getInstance(listOwner.getProject()).findInferredAnnotation(listOwner, annotationFQN);
if (fromBytecode != null) {
return fromBytecode;
}
if (ORG_JETBRAINS_ANNOTATIONS_CONTRACT.equals(annotationFQN) && canHaveContract(listOwner)) {
List<MethodContract> contracts = ContractInference.inferContracts((PsiMethod)listOwner);
if (!contracts.isEmpty()) {
return ProjectBytecodeAnalysis.getInstance(listOwner.getProject()).createContractAnnotation("\"" + StringUtil.join(contracts, "; ") + "\"");
}
}
return null;
}
private static boolean canHaveContract(PsiModifierListOwner listOwner) {
return listOwner instanceof PsiMethod && !PsiUtil.canBeOverriden((PsiMethod)listOwner);
}
@NotNull
@Override
public PsiAnnotation[] findInferredAnnotations(@NotNull PsiModifierListOwner listOwner) {
listOwner = preferCompiledElement(listOwner);
List<PsiAnnotation> result = ContainerUtil.newArrayList();
PsiAnnotation[] fromBytecode = ProjectBytecodeAnalysis.getInstance(listOwner.getProject()).findInferredAnnotations(listOwner);
for (PsiAnnotation annotation : fromBytecode) {
if (!ORG_JETBRAINS_ANNOTATIONS_CONTRACT.equals(annotation.getQualifiedName()) || canHaveContract(listOwner)) {
result.add(annotation);
}
}
if (canHaveContract(listOwner)) {
List<MethodContract> contracts = ContractInference.inferContracts((PsiMethod)listOwner);
if (!contracts.isEmpty()) {
result.add(ProjectBytecodeAnalysis.getInstance(listOwner.getProject())
.createContractAnnotation("\"" + StringUtil.join(contracts, "; ") + "\""));
}
}
return result.isEmpty() ? PsiAnnotation.EMPTY_ARRAY : result.toArray(new PsiAnnotation[result.size()]);
}
@Override
public boolean isInferredAnnotation(@NotNull PsiAnnotation annotation) {
return annotation.getUserData(ProjectBytecodeAnalysis.INFERRED_ANNOTATION) != null;
}
}
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