001    /*
002     * Copyright 2010-2015 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.kotlin.resolve;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.kotlin.descriptors.ClassDescriptor;
021    import org.jetbrains.kotlin.descriptors.DeclarationDescriptor;
022    import org.jetbrains.kotlin.descriptors.ModuleDescriptor;
023    import org.jetbrains.kotlin.platform.PlatformToKotlinClassMap;
024    import org.jetbrains.kotlin.psi.JetElement;
025    import org.jetbrains.kotlin.psi.JetExpression;
026    import org.jetbrains.kotlin.psi.JetImportDirective;
027    
028    import java.util.Collection;
029    
030    import static org.jetbrains.kotlin.diagnostics.Errors.PLATFORM_CLASS_MAPPED_TO_KOTLIN;
031    
032    public class PlatformTypesMappedToKotlinChecker {
033    
034        public static void checkPlatformTypesMappedToKotlin(
035                @NotNull ModuleDescriptor module,
036                @NotNull BindingTrace trace,
037                @NotNull JetImportDirective importDirective,
038                @NotNull Collection<? extends DeclarationDescriptor> descriptors
039        ) {
040            JetExpression importedReference = importDirective.getImportedReference();
041            if (importedReference != null) {
042                for (DeclarationDescriptor descriptor : descriptors) {
043                    reportPlatformClassMappedToKotlin(module, trace, importedReference, descriptor);
044                }
045            }
046        }
047    
048        public static void reportPlatformClassMappedToKotlin(
049                @NotNull ModuleDescriptor module,
050                @NotNull BindingTrace trace,
051                @NotNull JetElement element,
052                @NotNull DeclarationDescriptor descriptor
053        ) {
054            if (!(descriptor instanceof ClassDescriptor)) return;
055    
056            PlatformToKotlinClassMap platformToKotlinMap = module.getPlatformToKotlinClassMap();
057            Collection<ClassDescriptor> kotlinAnalogsForClass = platformToKotlinMap.mapPlatformClass((ClassDescriptor) descriptor);
058            if (!kotlinAnalogsForClass.isEmpty()) {
059                trace.report(PLATFORM_CLASS_MAPPED_TO_KOTLIN.on(element, kotlinAnalogsForClass));
060            }
061        }
062    }