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/*
* Copyright 2000-2009 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.navigation;
import com.intellij.openapi.util.registry.Registry;
import com.intellij.psi.PsiClass;
import com.intellij.psi.PsiElement;
import com.intellij.psi.search.PsiElementProcessor;
import com.intellij.psi.search.PsiElementProcessorAdapter;
import com.intellij.psi.search.SearchScope;
import com.intellij.psi.search.searches.ClassInheritorsSearch;
import com.intellij.psi.search.searches.DefinitionsScopedSearch;
import com.intellij.util.Processor;
import com.intellij.util.QueryExecutor;
import org.jetbrains.annotations.NotNull;
public class ClassImplementationsSearch implements QueryExecutor<PsiElement, DefinitionsScopedSearch.SearchParameters> {
@Override
public boolean execute(@NotNull DefinitionsScopedSearch.SearchParameters queryParameters, @NotNull Processor<PsiElement> consumer) {
final PsiElement sourceElement = queryParameters.getElement();
return !(sourceElement instanceof PsiClass) || processImplementations((PsiClass)sourceElement, consumer, queryParameters.getScope());
}
public static boolean processImplementations(final PsiClass psiClass, final Processor<? super PsiClass> processor, SearchScope scope) {
final boolean showInterfaces = Registry.is("ide.goto.implementation.show.interfaces");
return ClassInheritorsSearch.search(psiClass, scope, true).forEach(new PsiElementProcessorAdapter<PsiClass>(new PsiElementProcessor<PsiClass>() {
public boolean execute(@NotNull PsiClass element) {
if (!showInterfaces && element.isInterface()) {
return true;
}
return processor.process(element);
}
}));
}
}
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