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.ClassDescriptor;
021import org.jetbrains.jet.lang.descriptors.ClassifierDescriptor;
022import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
023import org.jetbrains.jet.lang.descriptors.NamespaceDescriptor;
024import org.jetbrains.jet.lang.resolve.java.DescriptorSearchRule;
025import org.jetbrains.jet.lang.resolve.java.JavaSemanticServices;
026import org.jetbrains.jet.lang.resolve.java.provider.PackagePsiDeclarationProvider;
027import org.jetbrains.jet.lang.resolve.name.FqName;
028import org.jetbrains.jet.lang.resolve.name.Name;
029
030import java.util.Collection;
031
032import static org.jetbrains.jet.lang.resolve.java.scope.ScopeUtils.computeAllPackageDeclarations;
033
034public abstract class JavaPackageScope extends JavaBaseScope {
035
036    @NotNull
037    private final FqName packageFQN;
038
039    protected JavaPackageScope(
040            @NotNull NamespaceDescriptor descriptor,
041            @NotNull PackagePsiDeclarationProvider declarationProvider,
042            @NotNull FqName packageFQN,
043            @NotNull JavaSemanticServices semanticServices
044    ) {
045        super(descriptor, semanticServices, declarationProvider);
046        this.packageFQN = packageFQN;
047    }
048
049    @Override
050    public ClassifierDescriptor getClassifier(@NotNull Name name) {
051        ClassDescriptor classDescriptor =
052                getResolver().resolveClass(packageFQN.child(name), DescriptorSearchRule.IGNORE_IF_FOUND_IN_KOTLIN);
053        if (classDescriptor == null || classDescriptor.getKind().isObject()) {
054            return null;
055        }
056        return classDescriptor;
057    }
058
059    @Override
060    public ClassDescriptor getObjectDescriptor(@NotNull Name name) {
061        ClassDescriptor classDescriptor =
062                getResolver().resolveClass(packageFQN.child(name), DescriptorSearchRule.IGNORE_IF_FOUND_IN_KOTLIN);
063        if (classDescriptor != null && classDescriptor.getKind().isObject()) {
064            return classDescriptor;
065        }
066        return null;
067    }
068
069    @Override
070    public NamespaceDescriptor getNamespace(@NotNull Name name) {
071        return getResolver().resolveNamespace(packageFQN.child(name), DescriptorSearchRule.INCLUDE_KOTLIN);
072    }
073
074    @NotNull
075    @Override
076    protected Collection<DeclarationDescriptor> computeAllDescriptors() {
077        Collection<DeclarationDescriptor> result = super.computeAllDescriptors();
078        result.addAll(computeAllPackageDeclarations(((PackagePsiDeclarationProvider) declarationProvider).getPsiPackage(), semanticServices));
079        return result;
080    }
081}