| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * 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.android.tools.layoutlib.create; |
| |
| import org.objectweb.asm.ClassVisitor; |
| import org.objectweb.asm.FieldVisitor; |
| |
| import java.util.Set; |
| |
| import static org.objectweb.asm.Opcodes.ACC_PRIVATE; |
| import static org.objectweb.asm.Opcodes.ACC_PROTECTED; |
| import static org.objectweb.asm.Opcodes.ACC_PUBLIC; |
| |
| /** |
| * Promotes given fields to public visibility. |
| */ |
| public class PromoteFieldClassAdapter extends ClassVisitor { |
| |
| private final Set<String> mFieldNames; |
| private static final int CLEAR_PRIVATE_MASK = ~(ACC_PRIVATE | ACC_PROTECTED); |
| |
| public PromoteFieldClassAdapter(ClassVisitor cv, Set<String> fieldNames) { |
| super(Main.ASM_VERSION, cv); |
| mFieldNames = fieldNames; |
| } |
| |
| @Override |
| public FieldVisitor visitField(int access, String name, String desc, String signature, |
| Object value) { |
| if (mFieldNames.contains(name)) { |
| if ((access & ACC_PUBLIC) == 0) { |
| access = (access & CLEAR_PRIVATE_MASK) | ACC_PUBLIC; |
| } |
| } |
| return super.visitField(access, name, desc, signature, value); |
| } |
| } |