| /* |
| * 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 com.intellij.psi.impl.search; |
| |
| import com.intellij.openapi.application.ApplicationManager; |
| import com.intellij.openapi.progress.ProgressIndicatorProvider; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.Comparing; |
| import com.intellij.openapi.util.Computable; |
| import com.intellij.openapi.util.text.StringUtil; |
| import com.intellij.openapi.vfs.VirtualFile; |
| import com.intellij.psi.*; |
| import com.intellij.psi.impl.java.stubs.index.JavaAnonymousClassBaseRefOccurenceIndex; |
| import com.intellij.psi.impl.java.stubs.index.JavaSuperClassNameOccurenceIndex; |
| import com.intellij.psi.search.EverythingGlobalScope; |
| import com.intellij.psi.search.GlobalSearchScope; |
| import com.intellij.psi.search.SearchScope; |
| import com.intellij.psi.search.searches.AllClassesSearch; |
| import com.intellij.psi.search.searches.DirectClassInheritorsSearch; |
| import com.intellij.psi.util.PsiUtil; |
| import com.intellij.psi.util.PsiUtilCore; |
| import com.intellij.util.Processor; |
| import com.intellij.util.QueryExecutor; |
| import com.intellij.util.containers.ContainerUtil; |
| import com.intellij.util.containers.HashMap; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * @author max |
| */ |
| public class JavaDirectInheritorsSearcher implements QueryExecutor<PsiClass, DirectClassInheritorsSearch.SearchParameters> { |
| @Override |
| public boolean execute(@NotNull final DirectClassInheritorsSearch.SearchParameters p, @NotNull final Processor<PsiClass> consumer) { |
| final PsiClass aClass = p.getClassToProcess(); |
| |
| final SearchScope useScope = ApplicationManager.getApplication().runReadAction(new Computable<SearchScope>() { |
| @Override |
| public SearchScope compute() { |
| return aClass.getUseScope(); |
| } |
| }); |
| |
| final String qualifiedName = ApplicationManager.getApplication().runReadAction(new Computable<String>() { |
| @Override |
| public String compute() { |
| return aClass.getQualifiedName(); |
| } |
| }); |
| |
| final Project project = PsiUtilCore.getProjectInReadAction(aClass); |
| if (CommonClassNames.JAVA_LANG_OBJECT.equals(qualifiedName)) { |
| //[pasynkov]: WTF? |
| //final SearchScope scope = useScope.intersectWith(GlobalSearchScope.notScope(GlobalSearchScope.getScopeRestrictedByFileTypes( |
| // GlobalSearchScope.allScope(psiManager.getProject()), StdFileTypes.JSP, StdFileTypes.JSPX))); |
| |
| return AllClassesSearch.search(useScope, project).forEach(new Processor<PsiClass>() { |
| @Override |
| public boolean process(final PsiClass psiClass) { |
| if (psiClass.isInterface()) { |
| return consumer.process(psiClass); |
| } |
| final PsiClass superClass = psiClass.getSuperClass(); |
| if (superClass != null && CommonClassNames.JAVA_LANG_OBJECT.equals(ApplicationManager.getApplication().runReadAction(new Computable<String>() { |
| public String compute() { |
| return superClass.getQualifiedName(); |
| } |
| }))) { |
| return consumer.process(psiClass); |
| } |
| return true; |
| } |
| }); |
| } |
| |
| final GlobalSearchScope scope = useScope instanceof GlobalSearchScope ? (GlobalSearchScope)useScope : new EverythingGlobalScope(project); |
| final String searchKey = ApplicationManager.getApplication().runReadAction(new Computable<String>() { |
| @Override |
| public String compute() { |
| return aClass.getName(); |
| } |
| }); |
| if (StringUtil.isEmpty(searchKey)) { |
| return true; |
| } |
| |
| Collection<PsiReferenceList> candidates = ApplicationManager.getApplication().runReadAction(new Computable<Collection<PsiReferenceList>>() { |
| @Override |
| public Collection<PsiReferenceList> compute() { |
| return JavaSuperClassNameOccurenceIndex.getInstance().get(searchKey, project, scope); |
| } |
| }); |
| |
| Map<String, List<PsiClass>> classes = new HashMap<String, List<PsiClass>>(); |
| |
| for (final PsiReferenceList referenceList : candidates) { |
| ProgressIndicatorProvider.checkCanceled(); |
| final PsiClass candidate = (PsiClass)ApplicationManager.getApplication().runReadAction(new Computable<PsiElement>() { |
| @Override |
| public PsiElement compute() { |
| return referenceList.getParent(); |
| } |
| }); |
| if (!checkInheritance(p, aClass, candidate)) continue; |
| |
| String fqn = ApplicationManager.getApplication().runReadAction(new Computable<String>() { |
| @Override |
| public String compute() { |
| return candidate.getQualifiedName(); |
| } |
| }); |
| List<PsiClass> list = classes.get(fqn); |
| if (list == null) { |
| list = new ArrayList<PsiClass>(); |
| classes.put(fqn, list); |
| } |
| list.add(candidate); |
| } |
| |
| for (List<PsiClass> sameNamedClasses : classes.values()) { |
| if (!processSameNamedClasses(consumer, aClass, sameNamedClasses)) return false; |
| } |
| |
| if (p.includeAnonymous()) { |
| Collection<PsiAnonymousClass> anonymousCandidates = ApplicationManager.getApplication().runReadAction(new Computable<Collection<PsiAnonymousClass>>() { |
| @Override |
| public Collection<PsiAnonymousClass> compute() { |
| return JavaAnonymousClassBaseRefOccurenceIndex.getInstance().get(searchKey, project, scope); |
| } |
| }); |
| |
| for (PsiAnonymousClass candidate : anonymousCandidates) { |
| ProgressIndicatorProvider.checkCanceled(); |
| if (!checkInheritance(p, aClass, candidate)) continue; |
| |
| if (!consumer.process(candidate)) return false; |
| } |
| |
| boolean isEnum = ApplicationManager.getApplication().runReadAction(new Computable<Boolean>() { |
| @Override |
| public Boolean compute() { |
| return aClass.isEnum(); |
| } |
| }); |
| if (isEnum) { |
| // abstract enum can be subclassed in the body |
| PsiField[] fields = ApplicationManager.getApplication().runReadAction(new Computable<PsiField[]>() { |
| @Override |
| public PsiField[] compute() { |
| return aClass.getFields(); |
| } |
| }); |
| for (final PsiField field : fields) { |
| if (field instanceof PsiEnumConstant) { |
| PsiEnumConstantInitializer initializingClass = |
| ApplicationManager.getApplication().runReadAction(new Computable<PsiEnumConstantInitializer>() { |
| @Override |
| public PsiEnumConstantInitializer compute() { |
| return ((PsiEnumConstant)field).getInitializingClass(); |
| } |
| }); |
| if (initializingClass != null) { |
| if (!consumer.process(initializingClass)) return false; |
| } |
| } |
| } |
| } |
| } |
| |
| return true; |
| } |
| |
| private static boolean checkInheritance(final DirectClassInheritorsSearch.SearchParameters p, final PsiClass aClass, final PsiClass candidate) { |
| return ApplicationManager.getApplication().runReadAction(new Computable<Boolean>() { |
| @Override |
| public Boolean compute() { |
| return !p.isCheckInheritance() || candidate.isInheritor(aClass, false); |
| } |
| }); |
| } |
| |
| private static boolean processSameNamedClasses(Processor<PsiClass> consumer, PsiClass aClass, List<PsiClass> sameNamedClasses) { |
| // if there is a class from the same jar, prefer it |
| boolean sameJarClassFound = false; |
| |
| VirtualFile jarFile = getJarFile(aClass); |
| if (jarFile != null) { |
| for (PsiClass sameNamedClass : sameNamedClasses) { |
| boolean fromSameJar = Comparing.equal(getJarFile(sameNamedClass), jarFile); |
| if (fromSameJar) { |
| sameJarClassFound = true; |
| if (!consumer.process(sameNamedClass)) return false; |
| } |
| } |
| } |
| |
| return sameJarClassFound || ContainerUtil.process(sameNamedClasses, consumer); |
| } |
| |
| private static VirtualFile getJarFile(final PsiClass aClass) { |
| return ApplicationManager.getApplication().runReadAction(new Computable<VirtualFile>() { |
| @Override |
| public VirtualFile compute() { |
| return PsiUtil.getJarFile(aClass); |
| } |
| }); |
| } |
| } |