| // Copyright 2018 The Bazel Authors. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| package com.google.devtools.build.importdeps; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| |
| import com.google.auto.value.AutoValue; |
| import com.google.auto.value.extension.memoized.Memoized; |
| import com.google.common.base.Strings; |
| import com.google.common.collect.ComparisonChain; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableSet; |
| import java.nio.file.Path; |
| |
| /** |
| * Representation of a class. It maintains the internal name, declared members, as well as the super |
| * classes. |
| */ |
| @AutoValue |
| public abstract class ClassInfo implements Comparable<ClassInfo> { |
| |
| public static ClassInfo create( |
| String internalName, |
| Path jarPath, |
| boolean directDep, |
| ImmutableList<ClassInfo> superClasses, |
| ImmutableSet<MemberInfo> declaredMembers) { |
| return new AutoValue_ClassInfo(internalName, jarPath, directDep, superClasses, declaredMembers); |
| } |
| |
| public abstract String internalName(); |
| |
| public abstract Path jarPath(); |
| |
| public abstract boolean directDep(); |
| |
| /** |
| * Returns all the available super classes. There may be more super classes (super class or |
| * interfaces), but those do not exist on the classpath. |
| */ |
| public abstract ImmutableList<ClassInfo> superClasses(); |
| |
| public abstract ImmutableSet<MemberInfo> declaredMembers(); |
| |
| public final boolean containsMember(MemberInfo memberInfo) { |
| if (declaredMembers().contains(memberInfo)) { |
| return true; |
| } |
| for (ClassInfo superClass : superClasses()) { |
| if (superClass.containsMember(memberInfo)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public int compareTo(ClassInfo other) { |
| return ComparisonChain.start() |
| .compare(internalName(), other.internalName()) |
| .compare(jarPath(), other.jarPath()) |
| .compareFalseFirst(directDep(), other.directDep()) |
| .result(); |
| } |
| |
| /** A member is either a method or a field. */ |
| @AutoValue |
| public abstract static class MemberInfo { |
| |
| public static MemberInfo create(String memberName, String descriptor) { |
| checkArgument(!Strings.isNullOrEmpty(memberName), "Empty method name: %s", memberName); |
| checkArgument(!Strings.isNullOrEmpty(descriptor), "Empty descriptor: %s", descriptor); |
| return new AutoValue_ClassInfo_MemberInfo(memberName, descriptor); |
| } |
| |
| /** The name of the member. */ |
| public abstract String memberName(); |
| |
| /** The descriptor of the member. */ |
| public abstract String descriptor(); |
| |
| @Memoized |
| @Override |
| public abstract int hashCode(); |
| } |
| } |