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    
017    package org.jetbrains.jet.lang.resolve.java.scope;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
021    import org.jetbrains.jet.lang.descriptors.ClassifierDescriptor;
022    import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
023    import org.jetbrains.jet.lang.descriptors.NamespaceDescriptor;
024    import org.jetbrains.jet.lang.resolve.java.DescriptorSearchRule;
025    import org.jetbrains.jet.lang.resolve.java.JavaSemanticServices;
026    import org.jetbrains.jet.lang.resolve.java.provider.PackagePsiDeclarationProvider;
027    import org.jetbrains.jet.lang.resolve.name.FqName;
028    import org.jetbrains.jet.lang.resolve.name.Name;
029    
030    import java.util.Collection;
031    
032    import static org.jetbrains.jet.lang.resolve.java.scope.ScopeUtils.computeAllPackageDeclarations;
033    
034    public 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    }