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.codegen;
018
019import com.google.common.collect.Maps;
020import com.intellij.openapi.util.Factory;
021import com.intellij.openapi.util.Pair;
022import com.intellij.util.containers.ContainerUtil;
023import org.jetbrains.annotations.NotNull;
024import org.jetbrains.jet.codegen.state.GenerationState;
025import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
026import org.jetbrains.jet.lang.psi.JetExpression;
027import org.jetbrains.jet.lang.psi.JetFile;
028import org.jetbrains.jet.lang.resolve.java.JvmClassName;
029import org.jetbrains.jet.lang.resolve.java.descriptor.ClassDescriptorFromJvmBytecode;
030
031import java.util.Map;
032
033public class SamWrapperClasses {
034    private final GenerationState state;
035
036    private final Map<Pair<ClassDescriptorFromJvmBytecode, JetFile>, JvmClassName> samInterfaceToWrapperClass = Maps.newHashMap();
037
038    public SamWrapperClasses(GenerationState state) {
039        this.state = state;
040    }
041
042    @NotNull
043    public JvmClassName getSamWrapperClass(@NotNull final ClassDescriptorFromJvmBytecode samInterface, @NotNull final JetFile file) {
044        return ContainerUtil.getOrCreate(samInterfaceToWrapperClass, Pair.create(samInterface, file),
045                                         new Factory<JvmClassName>() {
046                                             @Override
047                                             public JvmClassName create() {
048                                                 return new SamWrapperCodegen(state, samInterface).genWrapper(file);
049                                             }
050                                         });
051    }
052}