001/*
002 * Copyright 2010-2013 JetBrains s.r.o.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.jetbrains.jet.lang.resolve.java.scope;
018
019import org.jetbrains.annotations.NotNull;
020import org.jetbrains.jet.lang.descriptors.*;
021import org.jetbrains.jet.lang.resolve.java.JavaSemanticServices;
022import org.jetbrains.jet.lang.resolve.java.provider.ClassPsiDeclarationProvider;
023import org.jetbrains.jet.lang.resolve.name.LabelName;
024import org.jetbrains.jet.lang.resolve.name.Name;
025
026import java.util.Collection;
027import java.util.HashMap;
028import java.util.Map;
029import java.util.Set;
030
031public abstract class JavaClassMembersScope extends JavaBaseScope {
032    @NotNull
033    protected final ClassPsiDeclarationProvider declarationProvider;
034
035    private Map<Name, ClassDescriptor> innerClassesMap = null;
036
037    protected JavaClassMembersScope(
038            @NotNull ClassOrNamespaceDescriptor descriptor,
039            @NotNull ClassPsiDeclarationProvider declarationProvider,
040            @NotNull JavaSemanticServices semanticServices
041    ) {
042        super(descriptor, semanticServices, declarationProvider);
043        this.declarationProvider = declarationProvider;
044    }
045
046    @NotNull
047    @Override
048    public Collection<DeclarationDescriptor> getDeclarationsByLabel(LabelName labelName) {
049        throw new UnsupportedOperationException(); // TODO
050    }
051
052
053    @NotNull
054    @Override
055    protected Set<FunctionDescriptor> computeFunctionDescriptor(@NotNull Name name) {
056        return getResolver().resolveFunctionGroup(name, declarationProvider, descriptor);
057    }
058
059    @NotNull
060    private Map<Name, ClassDescriptor> getInnerClassesMap() {
061        if (innerClassesMap == null) {
062            Collection<ClassDescriptor> innerClasses = getInnerClasses();
063            innerClassesMap = new HashMap<Name, ClassDescriptor>();
064            for (ClassDescriptor innerClass : innerClasses) {
065                innerClassesMap.put(innerClass.getName(), innerClass);
066            }
067        }
068        return innerClassesMap;
069    }
070
071    @NotNull
072    @Override
073    protected Collection<ClassDescriptor> computeInnerClasses() {
074        return getResolver().resolveInnerClasses(declarationProvider);
075    }
076
077    @Override
078    public ClassDescriptor getObjectDescriptor(@NotNull Name name) {
079        ClassDescriptor innerClass = getInnerClassesMap().get(name);
080        if (innerClass != null && innerClass.getKind().isObject()) {
081            return innerClass;
082        }
083        return null;
084    }
085
086    @Override
087    public ClassifierDescriptor getClassifier(@NotNull Name name) {
088        ClassDescriptor innerClass = getInnerClassesMap().get(name);
089        if (innerClass == null || innerClass.getKind().isObject()) {
090            return null;
091        }
092        return innerClass;
093    }
094}