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/*
* Copyright 2000-2012 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;
import com.intellij.psi.CommonClassNames;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiMethod;
import com.intellij.psi.util.PsiSuperMethodUtil;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
public class FindSuperElementsHelper {
@Nullable
public static PsiElement[] findSuperElements(@NotNull PsiElement element) {
if (element instanceof PsiClass) {
PsiClass aClass = (PsiClass) element;
List<PsiClass> allSupers = new ArrayList<PsiClass>(Arrays.asList(aClass.getSupers()));
for (Iterator<PsiClass> iterator = allSupers.iterator(); iterator.hasNext();) {
PsiClass superClass = iterator.next();
if (CommonClassNames.JAVA_LANG_OBJECT.equals(superClass.getQualifiedName())) iterator.remove();
}
return allSupers.toArray(new PsiClass[allSupers.size()]);
} else if (element instanceof PsiMethod) {
PsiMethod method = (PsiMethod) element;
if (method.isConstructor()) {
PsiMethod constructorInSuper = PsiSuperMethodUtil.findConstructorInSuper(method);
if (constructorInSuper != null) {
return new PsiMethod[]{constructorInSuper};
}
} else {
return method.findSuperMethods(false);
}
}
return null;
}
}
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