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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 org.jetbrains.plugins.groovy.lang.psi.impl.synthetic;
import com.intellij.psi.*;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.members.GrMethod;
import org.jetbrains.plugins.groovy.lang.psi.impl.GrPsiTypeStub;
/**
* @author Sergey Evdokimov
*/
public class GrMethodWrapper extends GrLightMethodBuilder implements PsiMirrorElement {
private static final PsiType TYPE_MARKER = new GrPsiTypeStub() {
@Override
public boolean isValid() {
return false;
}
};
private final PsiMethod myWrappedMethod;
private volatile boolean myNavigationElementInit;
protected GrMethodWrapper(PsiMethod method, PsiSubstitutor substitutor) {
super(method.getManager(), method.getName());
myWrappedMethod = method;
setContainingClass(method.getContainingClass());
getModifierList().copyModifiers(method);
getParameterList().copyParameters(method, substitutor);
if (method instanceof OriginInfoAwareElement) {
setOriginInfo(((OriginInfoAwareElement)method).getOriginInfo());
}
setReturnType(TYPE_MARKER);
}
@Override
public void setNavigationElement(@NotNull PsiElement navigationElement) {
myNavigationElementInit = true;
super.setNavigationElement(navigationElement);
}
@NotNull
@Override
public PsiElement getNavigationElement() {
if (!myNavigationElementInit) {
setNavigationElement(myWrappedMethod.getNavigationElement()); // getNavigationElement() can get long time if wrapped method is a ClsMethod.
}
return super.getNavigationElement();
}
@Override
public PsiType getReturnType() {
PsiType type = super.getReturnType();
if (type == TYPE_MARKER) {
type = myWrappedMethod.getReturnType();
super.setReturnType(type);
}
return type;
}
@Override
public boolean isValid() {
if (myNavigationElementInit) {
return super.isValid(); // This will call isValid() on navigationElement
}
return myWrappedMethod.isValid();
}
public static GrMethodWrapper wrap(@NotNull PsiMethod method) {
return new GrMethodWrapper(method, PsiSubstitutor.EMPTY);
}
public static GrLightMethodBuilder wrap(GrMethod method, PsiSubstitutor substitutor) {
return new GrMethodWrapper(method, substitutor);
}
@NotNull
@Override
public PsiMethod getPrototype() {
return myWrappedMethod;
}
}
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