| /* |
| * Copyright 2003 The Apache Software Foundation |
| * |
| * 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 org.mockito.cglib.transform.impl; |
| |
| import java.lang.reflect.Constructor; |
| |
| import org.mockito.asm.Attribute; |
| import org.mockito.asm.ClassVisitor; |
| import org.mockito.asm.Type; |
| import org.mockito.cglib.core.*; |
| import org.mockito.cglib.transform.*; |
| |
| public class UndeclaredThrowableTransformer extends ClassEmitterTransformer { |
| private Type wrapper; |
| |
| public UndeclaredThrowableTransformer(Class wrapper) { |
| this.wrapper = Type.getType(wrapper); |
| boolean found = false; |
| Constructor[] cstructs = wrapper.getConstructors(); |
| for (int i = 0; i < cstructs.length; i++) { |
| Class[] types = cstructs[i].getParameterTypes(); |
| if (types.length == 1 && types[0].equals(Throwable.class)) { |
| found = true; |
| break; |
| } |
| } |
| if (!found) |
| throw new IllegalArgumentException(wrapper + " does not have a single-arg constructor that takes a Throwable"); |
| } |
| |
| public CodeEmitter begin_method(int access, final Signature sig, final Type[] exceptions) { |
| CodeEmitter e = super.begin_method(access, sig, exceptions); |
| if (TypeUtils.isAbstract(access) || sig.equals(Constants.SIG_STATIC)) { |
| return e; |
| } |
| return new CodeEmitter(e) { |
| private Block handler; |
| /* init */ { |
| handler = begin_block(); |
| } |
| public void visitMaxs(int maxStack, int maxLocals) { |
| handler.end(); |
| EmitUtils.wrap_undeclared_throwable(this, handler, exceptions, wrapper); |
| super.visitMaxs(maxStack, maxLocals); |
| } |
| }; |
| } |
| } |