| /* |
| * 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 com.android.tools.layoutlib.create.ICreateInfo.InjectMethodRunnable; |
| |
| import org.objectweb.asm.ClassVisitor; |
| import org.objectweb.asm.MethodVisitor; |
| |
| import static org.objectweb.asm.Opcodes.ACC_PUBLIC; |
| import static org.objectweb.asm.Opcodes.ALOAD; |
| import static org.objectweb.asm.Opcodes.ARETURN; |
| import static org.objectweb.asm.Opcodes.INVOKEVIRTUAL; |
| |
| public class InjectMethodRunnables { |
| public static final ICreateInfo.InjectMethodRunnable CONTEXT_GET_FRAMEWORK_CLASS_LOADER |
| = new InjectMethodRunnable() { |
| @Override |
| public void generateMethods(Object classVisitor) { |
| assert classVisitor instanceof ClassVisitor; |
| ClassVisitor cv = (ClassVisitor) classVisitor; |
| // generated by compiling the class: |
| // class foo { public ClassLoader getFrameworkClassLoader() { return getClass().getClassLoader(); } } |
| // and then running ASMifier on it: |
| // java -classpath asm-debug-all-5.0.2.jar:. org.objectweb.asm.util.ASMifier foo |
| MethodVisitor mv = cv.visitMethod(ACC_PUBLIC, "getFrameworkClassLoader", |
| "()Ljava/lang/ClassLoader;", null, null); |
| mv.visitCode(); |
| mv.visitVarInsn(ALOAD, 0); |
| mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", |
| "()Ljava/lang/Class;"); |
| mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Class", "getClassLoader", |
| "()Ljava/lang/ClassLoader;"); |
| mv.visitInsn(ARETURN); |
| mv.visitMaxs(1, 1); |
| mv.visitEnd(); |
| // generated code ends. |
| } |
| }; |
| } |