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/*
* Copyright 2000-2013 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.psi.impl.source;
import com.intellij.ide.highlighter.JavaFileType;
import com.intellij.lang.ASTNode;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.*;
import com.intellij.psi.impl.java.stubs.JavaStubElementTypes;
import com.intellij.psi.impl.java.stubs.PsiMethodStub;
import com.intellij.psi.impl.source.tree.ChildRole;
import com.intellij.reference.SoftReference;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.NotNull;
/**
* @author ven
*/
public class PsiAnnotationMethodImpl extends PsiMethodImpl implements PsiAnnotationMethod {
private SoftReference<PsiAnnotationMemberValue> myCachedDefaultValue = null;
public PsiAnnotationMethodImpl(final PsiMethodStub stub) {
super(stub, JavaStubElementTypes.ANNOTATION_METHOD);
}
public PsiAnnotationMethodImpl(final ASTNode node) {
super(node);
}
@Override
public boolean hasModifierProperty(@NotNull String name) {
return PsiModifier.ABSTRACT.equals(name) || PsiModifier.PUBLIC.equals(name) || super.hasModifierProperty(name);
}
@Override
protected void dropCached() {
myCachedDefaultValue = null;
}
@Override
public PsiAnnotationMemberValue getDefaultValue() {
final PsiMethodStub stub = getStub();
if (stub != null) {
final String text = stub.getDefaultValueText();
if (StringUtil.isEmpty(text)) return null;
PsiAnnotationMemberValue value = SoftReference.dereference(myCachedDefaultValue);
if (value != null) {
return value;
}
@NonNls final String annoText = "@interface _Dummy_ { Class foo() default " + text + "; }";
final PsiFileFactory factory = PsiFileFactory.getInstance(getProject());
final PsiJavaFile file = (PsiJavaFile)factory.createFileFromText("a.java", JavaFileType.INSTANCE, annoText);
value = ((PsiAnnotationMethod)file.getClasses()[0].getMethods()[0]).getDefaultValue();
myCachedDefaultValue = new SoftReference<PsiAnnotationMemberValue>(value);
return value;
}
myCachedDefaultValue = null;
final ASTNode node = getNode().findChildByRole(ChildRole.ANNOTATION_DEFAULT_VALUE);
if (node == null) return null;
return (PsiAnnotationMemberValue)node.getPsi();
}
@NonNls
public String toString() {
return "PsiAnnotationMethod:" + getName();
}
@Override
public final void accept(@NotNull PsiElementVisitor visitor) {
if (visitor instanceof JavaElementVisitor) {
((JavaElementVisitor)visitor).visitAnnotationMethod(this);
}
else {
visitor.visitElement(this);
}
}
}
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