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.load.java.structure.impl;
018    
019    import com.intellij.psi.PsiAnnotationMethod;
020    import com.intellij.psi.PsiMethod;
021    import com.intellij.psi.PsiType;
022    import org.jetbrains.annotations.NotNull;
023    import org.jetbrains.kotlin.load.java.structure.JavaMethod;
024    import org.jetbrains.kotlin.load.java.structure.JavaType;
025    import org.jetbrains.kotlin.load.java.structure.JavaTypeParameter;
026    import org.jetbrains.kotlin.load.java.structure.JavaValueParameter;
027    import org.jetbrains.kotlin.name.Name;
028    
029    import java.util.List;
030    
031    import static org.jetbrains.kotlin.load.java.structure.impl.JavaElementCollectionFromPsiArrayUtil.typeParameters;
032    import static org.jetbrains.kotlin.load.java.structure.impl.JavaElementCollectionFromPsiArrayUtil.valueParameters;
033    
034    public class JavaMethodImpl extends JavaMemberImpl<PsiMethod> implements JavaMethod {
035        public JavaMethodImpl(@NotNull PsiMethod psiMethod) {
036            super(psiMethod);
037            assert !psiMethod.isConstructor() :
038                    "PsiMethod which is a constructor should be wrapped in JavaConstructorImpl: " + psiMethod.getName();
039        }
040    
041        @NotNull
042        @Override
043        public Name getName() {
044            return Name.identifier(getPsi().getName());
045        }
046    
047        @NotNull
048        @Override
049        public List<JavaTypeParameter> getTypeParameters() {
050            return typeParameters(getPsi().getTypeParameters());
051        }
052    
053        @Override
054        @NotNull
055        public List<JavaValueParameter> getValueParameters() {
056            return valueParameters(getPsi().getParameterList().getParameters());
057        }
058    
059        @Override
060        public boolean getHasAnnotationParameterDefaultValue() {
061            PsiMethod psiMethod = getPsi();
062            return psiMethod instanceof PsiAnnotationMethod && ((PsiAnnotationMethod) psiMethod).getDefaultValue() != null;
063        }
064    
065        @Override
066        @NotNull
067        public JavaType getReturnType() {
068            PsiType psiType = getPsi().getReturnType();
069            assert psiType != null : "Method is not a constructor and has no return type: " + getName();
070            return JavaTypeImpl.create(psiType);
071        }
072    }