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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.psi.PsiElement;
import com.intellij.psi.PsiFunctionalExpression;
import com.intellij.psi.PsiMethod;
import com.intellij.psi.search.SearchScope;
import com.intellij.psi.search.searches.DefinitionsScopedSearch;
import com.intellij.psi.search.searches.FunctionalExpressionSearch;
import com.intellij.psi.search.searches.OverridingMethodsSearch;
import com.intellij.util.Processor;
import com.intellij.util.QueryExecutor;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
public class MethodImplementationsSearch implements QueryExecutor<PsiElement, DefinitionsScopedSearch.SearchParameters> {
@Override
public boolean execute(final @NotNull DefinitionsScopedSearch.SearchParameters queryParameters, final @NotNull Processor<PsiElement> consumer) {
final PsiElement sourceElement = queryParameters.getElement();
if (sourceElement instanceof PsiMethod) {
return processImplementations((PsiMethod)sourceElement, consumer, queryParameters.getScope());
}
return true;
}
public static boolean processImplementations(final PsiMethod psiMethod, final Processor<PsiElement> consumer,
final SearchScope searchScope) {
if (!FunctionalExpressionSearch.search(psiMethod, searchScope).forEach(new Processor<PsiFunctionalExpression>() {
@Override
public boolean process(PsiFunctionalExpression expression) {
return consumer.process(expression);
}
})) {
return false;
}
final ArrayList<PsiMethod> methods = new ArrayList<PsiMethod>();
getOverridingMethods(psiMethod, methods, searchScope);
return ContainerUtil.process(methods, consumer);
}
public static void getOverridingMethods(PsiMethod method, ArrayList<PsiMethod> list, SearchScope scope) {
for (PsiMethod psiMethod : OverridingMethodsSearch.search(method, scope, true)) {
list.add(psiMethod);
}
}
@SuppressWarnings("UnusedDeclaration")
@Deprecated
public static PsiMethod[] getMethodImplementations(final PsiMethod method, SearchScope scope) {
ArrayList<PsiMethod> result = new ArrayList<PsiMethod>();
getOverridingMethods(method, result, scope);
return result.toArray(new PsiMethod[result.size()]);
}
}
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