| /* |
| * Copyright 2003,2004 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.core; |
| |
| import org.mockito.asm.ClassReader; |
| import org.mockito.asm.ClassWriter; |
| import org.mockito.asm.util.TraceClassVisitor; |
| |
| import java.io.*; |
| |
| public class DebuggingClassWriter extends ClassWriter { |
| |
| public static final String DEBUG_LOCATION_PROPERTY = "cglib.debugLocation"; |
| |
| private static String debugLocation; |
| private static boolean traceEnabled; |
| |
| private String className; |
| private String superName; |
| |
| static { |
| debugLocation = System.getProperty(DEBUG_LOCATION_PROPERTY); |
| if (debugLocation != null) { |
| System.err.println("CGLIB debugging enabled, writing to '" + debugLocation + "'"); |
| try { |
| Class.forName("org.mockito.asm.util.TraceClassVisitor"); |
| traceEnabled = true; |
| } catch (Throwable ignore) { |
| } |
| } |
| } |
| |
| public DebuggingClassWriter(int flags) { |
| super(flags); |
| } |
| |
| public void visit(int version, |
| int access, |
| String name, |
| String signature, |
| String superName, |
| String[] interfaces) { |
| className = name.replace('/', '.'); |
| this.superName = superName.replace('/', '.'); |
| super.visit(version, access, name, signature, superName, interfaces); |
| } |
| |
| public String getClassName() { |
| return className; |
| } |
| |
| public String getSuperName() { |
| return superName; |
| } |
| |
| public byte[] toByteArray() { |
| |
| return (byte[]) java.security.AccessController.doPrivileged( |
| new java.security.PrivilegedAction() { |
| public Object run() { |
| |
| |
| byte[] b = DebuggingClassWriter.super.toByteArray(); |
| if (debugLocation != null) { |
| String dirs = className.replace('.', File.separatorChar); |
| try { |
| new File(debugLocation + File.separatorChar + dirs).getParentFile().mkdirs(); |
| |
| File file = new File(new File(debugLocation), dirs + ".class"); |
| OutputStream out = new BufferedOutputStream(new FileOutputStream(file)); |
| try { |
| out.write(b); |
| } finally { |
| out.close(); |
| } |
| |
| if (traceEnabled) { |
| file = new File(new File(debugLocation), dirs + ".asm"); |
| out = new BufferedOutputStream(new FileOutputStream(file)); |
| try { |
| ClassReader cr = new ClassReader(b); |
| PrintWriter pw = new PrintWriter(new OutputStreamWriter(out)); |
| TraceClassVisitor tcv = new TraceClassVisitor(null, pw); |
| cr.accept(tcv, 0); |
| pw.flush(); |
| } finally { |
| out.close(); |
| } |
| } |
| } catch (IOException e) { |
| throw new CodeGenerationException(e); |
| } |
| } |
| return b; |
| } |
| }); |
| |
| } |
| } |