| /* |
| * Copyright (C) 2009 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.mkstubs.sourcer; |
| |
| import org.objectweb.asm.AnnotationVisitor; |
| import org.objectweb.asm.Opcodes; |
| |
| /** |
| * An annotation visitor that generates Java source for an annotation. |
| */ |
| class AnnotationSourcer extends AnnotationVisitor { |
| |
| private final String mOpenChar; |
| private final String mCloseChar; |
| private final Output mOutput; |
| private boolean mNeedClose; |
| |
| public AnnotationSourcer(Output output) { |
| this(output, false /*isArray*/); |
| } |
| |
| public AnnotationSourcer(Output output, boolean isArray) { |
| super(Opcodes.ASM4); |
| mOutput = output; |
| mOpenChar = isArray ? "[" : "("; |
| mCloseChar = isArray ? "]" : ")"; |
| } |
| |
| @Override |
| public void visit(String name, Object value) { |
| startOpen(); |
| |
| if (name != null) { |
| mOutput.write("%s=", name); |
| } |
| if (value != null) { |
| mOutput.write(name.toString()); |
| } |
| } |
| |
| private void startOpen() { |
| if (!mNeedClose) { |
| mNeedClose = true; |
| mOutput.write(mOpenChar); |
| } |
| } |
| |
| @Override |
| public void visitEnd() { |
| if (mNeedClose) { |
| mOutput.write(mCloseChar); |
| } |
| mOutput.write("\n"); |
| } |
| |
| @Override |
| public AnnotationVisitor visitAnnotation(String name, String desc) { |
| startOpen(); |
| |
| mOutput.write("@%s", name); |
| return this; |
| } |
| |
| @Override |
| public AnnotationVisitor visitArray(String name) { |
| startOpen(); |
| return new AnnotationSourcer(mOutput, true /*isArray*/); |
| } |
| |
| @Override |
| public void visitEnum(String name, String desc, String value) { |
| mOutput.write("/* annotation enum not supported: %s */\n", name); |
| } |
| |
| } |