private JavaProxyClass generate(ClassLoader loader, String targetClassName, Class superClass, Class[] interfaces, Map<MethodKey, MethodData> methods, Type selfType) { ClassWriter cw = beginProxyClass(targetClassName, superClass, interfaces); GeneratorAdapter clazzInit = createClassInitializer(selfType, cw); generateConstructors(superClass, selfType, cw); generateGetProxyClass(selfType, cw); generateGetInvocationHandler(selfType, cw); generateProxyMethods(superClass, methods, selfType, cw, clazzInit); // finish class initializer clazzInit.returnValue(); clazzInit.endMethod(); // end class cw.visitEnd(); Class clazz = invokeDefineClass(loader, selfType.getClassName(), cw.toByteArray()); // trigger class initialization for the class try { Field proxy_class = clazz.getDeclaredField(PROXY_CLASS_FIELD_NAME); proxy_class.setAccessible(true); return (JavaProxyClass) proxy_class.get(clazz); } catch (Exception ex) { InternalError ie = new InternalError(); ie.initCause(ex); throw ie; } }
private JavaProxyClass generate(ClassLoader loader, String targetClassName, Class superClass, Class[] interfaces, Map<MethodKey, MethodData> methods, Type selfType) { ClassWriter cw = beginProxyClass(targetClassName, superClass, interfaces); GeneratorAdapter clazzInit = createClassInitializer(selfType, cw); generateConstructors(superClass, selfType, cw); generateGetProxyClass(selfType, cw); generateGetInvocationHandler(selfType, cw); generateProxyMethods(superClass, methods, selfType, cw, clazzInit); // finish class initializer clazzInit.returnValue(); clazzInit.endMethod(); // end class cw.visitEnd(); Class clazz = invokeDefineClass(loader, selfType.getClassName(), cw.toByteArray()); // trigger class initialization for the class try { Field proxy_class = clazz.getDeclaredField(PROXY_CLASS_FIELD_NAME); proxy_class.setAccessible(true); return (JavaProxyClass) proxy_class.get(clazz); } catch (Exception ex) { InternalError ie = new InternalError(); ie.initCause(ex); throw ie; } }
private static GeneratorAdapter createClassInitializer(Type selfType, ClassVisitor cw) { GeneratorAdapter clazzInit = new GeneratorAdapter(Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC, new org.objectweb.asm.commons.Method("<clinit>", Type.VOID_TYPE, EMPTY_TYPE_ARRAY), null, EMPTY_TYPE_ARRAY, cw); clazzInit.visitLdcInsn(selfType.getClassName()); clazzInit.invokeStatic(JAVA_LANG_CLASS_TYPE, forName); clazzInit.invokeStatic(INTERNAL_PROXY_HELPER_TYPE, initProxyClass); clazzInit.dup(); clazzInit.putStatic(selfType, PROXY_CLASS_FIELD_NAME, PROXY_CLASS_TYPE); // __proxy_class = InternalJavaProxyHelper.initProxyClass( Class.forName(className) ); return clazzInit; }
private static GeneratorAdapter createClassInitializer(Type selfType, ClassVisitor cw) { GeneratorAdapter clazzInit = new GeneratorAdapter(Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC, new org.objectweb.asm.commons.Method("<clinit>", Type.VOID_TYPE, EMPTY_TYPE_ARRAY), null, EMPTY_TYPE_ARRAY, cw); clazzInit.visitLdcInsn(selfType.getClassName()); clazzInit.invokeStatic(JAVA_LANG_CLASS_TYPE, forName); clazzInit.invokeStatic(INTERNAL_PROXY_HELPER_TYPE, initProxyClass); clazzInit.dup(); clazzInit.putStatic(selfType, PROXY_CLASS_FIELD_NAME, PROXY_CLASS_TYPE); // __proxy_class = InternalJavaProxyHelper.initProxyClass( Class.forName(className) ); return clazzInit; }
private GeneratorAdapter createClassInitializer(Type selfType, ClassVisitor cw) { GeneratorAdapter clazzInit = new GeneratorAdapter(Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC, new org.objectweb.asm.commons.Method("<clinit>", Type.VOID_TYPE, EMPTY_TYPE_ARR), null, EMPTY_TYPE_ARR, cw); clazzInit.visitLdcInsn(selfType.getClassName()); clazzInit.invokeStatic(JAVA_LANG_CLASS_TYPE, CLASS_FORNAME_METHOD); clazzInit.invokeStatic(PROXY_HELPER_TYPE, HELPER_GET_PROXY_CLASS_METHOD); clazzInit.dup(); clazzInit.putStatic(selfType, PROXY_CLASS_FIELD_NAME, PROXY_CLASS_TYPE); return clazzInit; }
private GeneratorAdapter createClassInitializer(Type selfType, ClassVisitor cw) { GeneratorAdapter clazzInit = new GeneratorAdapter(Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC, new org.objectweb.asm.commons.Method("<clinit>", Type.VOID_TYPE, EMPTY_TYPE_ARR), null, EMPTY_TYPE_ARR, cw); clazzInit.visitLdcInsn(selfType.getClassName()); clazzInit.invokeStatic(JAVA_LANG_CLASS_TYPE, CLASS_FORNAME_METHOD); clazzInit.invokeStatic(PROXY_HELPER_TYPE, HELPER_GET_PROXY_CLASS_METHOD); clazzInit.dup(); clazzInit.putStatic(selfType, PROXY_CLASS_FIELD_NAME, PROXY_CLASS_TYPE); return clazzInit; }
private JavaProxyClass generate(ClassDefiningClassLoader loader, String targetClassName, Class superClass, Class[] interfaces, Map<MethodKey, MethodData> methods, Type selfType) { ClassWriter cw = beginProxyClass(targetClassName, superClass, interfaces, loader); GeneratorAdapter clazzInit = createClassInitializer(selfType, cw); generateConstructors(superClass, selfType, cw); generate___getProxyClass(selfType, cw); generate___getInvocationHandler(selfType, cw); generateProxyMethods(superClass, methods, selfType, cw, clazzInit); // finish class initializer clazzInit.returnValue(); clazzInit.endMethod(); // end class cw.visitEnd(); Class clazz = loader.defineClass(selfType.getClassName(), cw.toByteArray()); // trigger class initialization for the class try { Field proxy_class = clazz.getDeclaredField(PROXY_CLASS_FIELD_NAME); // proxy_class.setAccessible(true); // field is public return (JavaProxyClass) proxy_class.get(clazz); } catch (NoSuchFieldException|IllegalAccessException ex) { Helpers.throwException(ex); return null; // re-throws (although unexpected) } }
private JavaProxyClass generate(ClassDefiningClassLoader loader, String targetClassName, Class superClass, Class[] interfaces, Map<MethodKey, MethodData> methods, Type selfType) { ClassWriter cw = beginProxyClass(targetClassName, superClass, interfaces, loader); GeneratorAdapter clazzInit = createClassInitializer(selfType, cw); generateConstructors(superClass, selfType, cw); generate___getProxyClass(selfType, cw); generate___getInvocationHandler(selfType, cw); generateProxyMethods(superClass, methods, selfType, cw, clazzInit); // finish class initializer clazzInit.returnValue(); clazzInit.endMethod(); // end class cw.visitEnd(); Class clazz = loader.defineClass(selfType.getClassName(), cw.toByteArray()); // trigger class initialization for the class try { Field proxy_class = clazz.getDeclaredField(PROXY_CLASS_FIELD_NAME); // proxy_class.setAccessible(true); // field is public return (JavaProxyClass) proxy_class.get(clazz); } catch (NoSuchFieldException|IllegalAccessException ex) { Helpers.throwException(ex); return null; // re-throws (although unexpected) } }