diff options
Diffstat (limited to 'java/com/google/devtools/build/android/desugar/CorePackageRenamer.java')
-rw-r--r-- | java/com/google/devtools/build/android/desugar/CorePackageRenamer.java | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/java/com/google/devtools/build/android/desugar/CorePackageRenamer.java b/java/com/google/devtools/build/android/desugar/CorePackageRenamer.java new file mode 100644 index 0000000..5f1dc2e --- /dev/null +++ b/java/com/google/devtools/build/android/desugar/CorePackageRenamer.java @@ -0,0 +1,45 @@ +// 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.android.desugar; + +import org.objectweb.asm.ClassVisitor; +import org.objectweb.asm.commons.ClassRemapper; +import org.objectweb.asm.commons.Remapper; + +/** + * A visitor that renames packages so configured using {@link CoreLibrarySupport}.. + */ +class CorePackageRenamer extends ClassRemapper { + + public CorePackageRenamer(ClassVisitor cv, CoreLibrarySupport support) { + super(cv, new CorePackageRemapper(support)); + } + + private static final class CorePackageRemapper extends Remapper { + private final CoreLibrarySupport support; + + private CorePackageRemapper(CoreLibrarySupport support) { + this.support = support; + } + + public boolean isRenamed(String owner) { + return support.isRenamedCoreLibrary(owner); + } + + @Override + public String map(String typeName) { + return isRenamed(typeName) ? support.renameCoreLibrary(typeName) : typeName; + } + } +} |