Package org.apache.xbean.asm4

Examples of org.apache.xbean.asm4.AnnotationVisitor

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        // Move all the annotations onto the newly implemented methods
        // Ensures CDI and JAX-RS and JAX-WS still work
        Class clazz = classToProxy;
        while (clazz != null && !clazz.equals(Object.class)) {
            try {
                final ClassReader classReader = new ClassReader(readClassFile(clazz));
                final ClassVisitor copyMethodAnnotations = new CopyMethodAnnotations(visitors);
                classReader.accept(copyMethodAnnotations, ClassReader.SKIP_CODE);
            } catch (IOException e) {
                throw new ProxyGenerationException(e);
            }
            clazz = clazz.getSuperclass();
        }
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        }
    }

    private static void copyClassAnnotations(Class<?> clazz, final ClassVisitor newClass) throws ProxyGenerationException {
        try {
            final ClassReader classReader = new ClassReader(readClassFile(clazz));
            final ClassVisitor visitor = new CopyClassAnnotations(newClass);
            classReader.accept(visitor, ClassReader.SKIP_CODE);
        } catch (IOException e) {
            throw new ProxyGenerationException(e);
        }
    }
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    public static byte[] addNewField(byte[] origBytes) {
        ClassWriter classWriter = new ClassWriter(ClassWriter.COMPUTE_MAXS);

        FieldAdderClassVisitor visitor = new FieldAdderClassVisitor(classWriter);

        ClassReader classReader = new ClassReader(origBytes);
        classReader.accept(visitor, 0);

        return classWriter.toByteArray();
    }
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        // Ensures CDI and JAX-RS and JAX-WS still work
        Class clazz = classToProxy;
        while (clazz != null && !clazz.equals(Object.class)) {
            try {
                final ClassReader classReader = new ClassReader(readClassFile(clazz));
                final ClassVisitor copyMethodAnnotations = new CopyMethodAnnotations(visitors);
                classReader.accept(copyMethodAnnotations, ClassReader.SKIP_CODE);
            } catch (IOException e) {
                throw new ProxyGenerationException(e);
            }
            clazz = clazz.getSuperclass();
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    }

    private static void copyClassAnnotations(Class<?> clazz, final ClassVisitor newClass) throws ProxyGenerationException {
        try {
            final ClassReader classReader = new ClassReader(readClassFile(clazz));
            final ClassVisitor visitor = new CopyClassAnnotations(newClass);
            classReader.accept(visitor, ClassReader.SKIP_CODE);
        } catch (IOException e) {
            throw new ProxyGenerationException(e);
        }
    }
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    private static byte[] toJava7ByteArray(BCClass bc, byte[] classBytes) throws IOException {
        ByteArrayInputStream bais = new ByteArrayInputStream(classBytes);
        BufferedInputStream bis = new BufferedInputStream(bais);

        ClassWriter cw = new BCClassWriter(ClassWriter.COMPUTE_FRAMES, bc.getClassLoader());
        ClassReader cr = new ClassReader(bis);
        cr.accept(cw, 0);
        return cw.toByteArray();
    }
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    private byte[] generateProxy(ClassLoader classLoader, Class<?> classToProxy, String proxyClassName, String proxyClassFileName,
                                 Method[] interceptedMethods, Method[] nonInterceptedMethods)
            throws ProxyGenerationException
    {
        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
        String classFileName = classToProxy.getName().replace('.', '/');

        String[] interfaceNames = new String[]{Type.getInternalName(getMarkerInterface())};
        String superClassName = classFileName;

        if (classToProxy.isInterface())
        {
            interfaceNames = new String[]{Type.getInternalName(classToProxy), interfaceNames[0]};
            superClassName = Type.getInternalName(Object.class);
        }

        cw.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC + Opcodes.ACC_SUPER + Opcodes.ACC_SYNTHETIC, proxyClassFileName, null, superClassName, interfaceNames);
        cw.visitSource(classFileName + ".java", null);

        createInstanceVariables(cw, classToProxy, classFileName);
        createSerialisation(cw, proxyClassFileName, classToProxy, classFileName);



        // create a static String Field which contains the passivationId of the Bean or null if not PassivationCapable
        cw.visitField(Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC,
                FIELD_BEAN_PASSIVATION_ID, Type.getDescriptor(String.class), null, null).visitEnd();

        createConstructor(cw, proxyClassFileName, classToProxy, classFileName);


        if (nonInterceptedMethods != null)
        {
            delegateNonInterceptedMethods(classLoader, cw, proxyClassFileName, classToProxy, nonInterceptedMethods);
        }

        if (interceptedMethods != null)
        {
            delegateInterceptedMethods(classLoader, cw, proxyClassFileName, classToProxy, interceptedMethods);
        }

        return cw.toByteArray();
    }
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        }

        // The class writer will be used for all generator activies, while the
        // postCreateGenerator will be used to add the ejbPostCreatexxxx methods as a
        // last step.
        cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
        postCreateGenerator = new PostCreateGenerator(beanClass, cw);
    }
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     */
    public Cmp1Generator(String cmpImplClass, Class beanClass) {
        beanClassName = Type.getInternalName(beanClass);
        implClassName = cmpImplClass.replace('.', '/');

        cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);

        postCreateGenerator = new PostCreateGenerator(beanClass, cw);
    }
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        createTopLinkStrategy(file);
        createEclipseLinkStrategy(file);
    }

    private static void createNewHibernateStrategy(File basedir) throws Exception {
        ClassWriter cw = new ClassWriter(0);
        MethodVisitor mv;

        cw.visit(V1_6, ACC_PUBLIC + ACC_SUPER, "org/apache/openejb/hibernate/OpenEJBJtaPlatform", null, "org/hibernate/service/jta/platform/internal/AbstractJtaPlatform", null);

        {
            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, "org/hibernate/service/jta/platform/internal/AbstractJtaPlatform", "<init>", "()V");
            mv.visitInsn(RETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PROTECTED, "locateTransactionManager", "()Ljavax/transaction/TransactionManager;", null, null);
            mv.visitCode();
            mv.visitMethodInsn(INVOKESTATIC, "org/apache/openejb/OpenEJB", "getTransactionManager", "()Ljavax/transaction/TransactionManager;");
            mv.visitInsn(ARETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PROTECTED, "locateUserTransaction", "()Ljavax/transaction/UserTransaction;", null, null);
            mv.visitCode();
            Label l0 = new Label();
            Label l1 = new Label();
            Label l2 = new Label();
            mv.visitTryCatchBlock(l0, l1, l2, "javax/naming/NamingException");
            mv.visitLabel(l0);
            mv.visitMethodInsn(INVOKESTATIC, "org/apache/openejb/loader/SystemInstance", "get", "()Lorg/apache/openejb/loader/SystemInstance;");
            mv.visitLdcInsn(Type.getType("Lorg/apache/openejb/spi/ContainerSystem;"));
            mv.visitMethodInsn(INVOKEVIRTUAL, "org/apache/openejb/loader/SystemInstance", "getComponent", "(Ljava/lang/Class;)Ljava/lang/Object;");
            mv.visitTypeInsn(CHECKCAST, "org/apache/openejb/spi/ContainerSystem");
            mv.visitMethodInsn(INVOKEINTERFACE, "org/apache/openejb/spi/ContainerSystem", "getJNDIContext", "()Ljavax/naming/Context;");
            mv.visitLdcInsn("comp/UserTransaction");
            mv.visitMethodInsn(INVOKEINTERFACE, "javax/naming/Context", "lookup", "(Ljava/lang/String;)Ljava/lang/Object;");
            mv.visitTypeInsn(CHECKCAST, "javax/transaction/UserTransaction");
            mv.visitLabel(l1);
            mv.visitInsn(ARETURN);
            mv.visitLabel(l2);
            mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[]{"javax/naming/NamingException"});
            mv.visitVarInsn(ASTORE, 1);
            mv.visitInsn(ACONST_NULL);
            mv.visitInsn(ARETURN);
            mv.visitMaxs(2, 2);
            mv.visitEnd();
        }
        cw.visitEnd();

        String factory = HIBERNATE_NEW_FACTORY;
        String classFilePath = factory.replace('.', '/');
        write(basedir, cw, classFilePath);
    }
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