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.components;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.annotations.Nullable;
021    import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor;
022    import org.jetbrains.kotlin.descriptors.ClassDescriptor;
023    import org.jetbrains.kotlin.descriptors.TypeParameterDescriptor;
024    import org.jetbrains.kotlin.descriptors.ValueParameterDescriptor;
025    import org.jetbrains.kotlin.load.java.JavaBindingContext;
026    import org.jetbrains.kotlin.load.java.structure.JavaMethod;
027    import org.jetbrains.kotlin.resolve.BindingTrace;
028    import org.jetbrains.kotlin.resolve.jvm.kotlinSignature.SignaturesPropagationData;
029    import org.jetbrains.kotlin.types.KotlinType;
030    
031    import java.util.List;
032    
033    public class SignaturePropagatorImpl implements SignaturePropagator {
034        private final BindingTrace trace;
035    
036        public SignaturePropagatorImpl(@NotNull BindingTrace trace) {
037            this.trace = trace;
038        }
039    
040        @Override
041        @NotNull
042        public PropagatedSignature resolvePropagatedSignature(
043                @NotNull JavaMethod method,
044                @NotNull ClassDescriptor owner,
045                @NotNull KotlinType returnType,
046                @Nullable KotlinType receiverType,
047                @NotNull List<ValueParameterDescriptor> valueParameters,
048                @NotNull List<TypeParameterDescriptor> typeParameters
049        ) {
050            SignaturesPropagationData data =
051                    new SignaturesPropagationData(owner, returnType, receiverType, valueParameters, typeParameters, method);
052            return new PropagatedSignature(
053                    returnType, data.getModifiedReceiverType(), data.getModifiedValueParameters(),
054                    typeParameters, data.getSignatureErrors(), data.getModifiedHasStableParameterNames()
055            );
056        }
057    
058        @Override
059        public void reportSignatureErrors(@NotNull CallableMemberDescriptor descriptor, @NotNull List<String> signatureErrors) {
060            trace.record(JavaBindingContext.LOAD_FROM_JAVA_SIGNATURE_ERRORS, descriptor.getOriginal(), signatureErrors);
061        }
062    }