Package org.apache.xbean.asm5.shade.commons

Examples of org.apache.xbean.asm5.shade.commons.EmptyVisitor

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        }
    }

    private static void copyClassAnnotations(final 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 (final IOException e) {
            throw new ProxyGenerationException(e);
        }
    }
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     * Fast-parse the given class bytecode to determine if it is an
     * enum class.
     */
    private static boolean isEnum(final byte[] bytes) {
        final IsEnumVisitor isEnumVisitor = new IsEnumVisitor();
        final ClassReader classReader = new ClassReader(bytes);
        classReader.accept(isEnumVisitor, ClassReader.SKIP_DEBUG);
        return isEnumVisitor.isEnum;
    }
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     * Fast-parse the given class bytecode to determine if it is an
     * annotation class.
     */
    private static boolean isAnnotationClass(final byte[] bytes) {
        final IsAnnotationVisitor isAnnotationVisitor = new IsAnnotationVisitor();
        final ClassReader classReader = new ClassReader(bytes);
        classReader.accept(isAnnotationVisitor, ClassReader.SKIP_DEBUG);
        return isAnnotationVisitor.isAnnotation;
    }
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    public static byte[] addNewField(final byte[] origBytes) {
        final ClassWriter classWriter = new ClassWriter(ClassWriter.COMPUTE_FRAMES);

        final FieldAdderClassVisitor visitor = new FieldAdderClassVisitor(classWriter);

        final 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 (final IOException e) {
                throw new ProxyGenerationException(e);
            }
            clazz = clazz.getSuperclass();
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    }

    private static void copyClassAnnotations(final 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 (final 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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    public static Class createProxy(final Class<?> classToProxy, final ClassLoader cl, final Class... interfaces) {
        return createProxy(classToProxy, cl, classToProxy.getName() + "$$LocalBeanProxy", interfaces);
    }

    public static byte[] generateProxy(final Class<?> classToProxy, final String proxyName, final Class<?>... interfaces) throws ProxyGenerationException {
        final ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);

        final String proxyClassFileName = proxyName.replace('.', '/');
        final String classFileName = classToProxy.getName().replace('.', '/');

        // push class signature
        final String[] interfaceNames = new String[interfaces.length];
        for (int i = 0; i < interfaces.length; i++) {
            final Class<?> anInterface = interfaces[i];
            interfaceNames[i] = anInterface.getName().replace('.', '/');
        }

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

        cw.visitAnnotation("L" + Proxy.class.getName().replace('.', '/') + ";", true).visitEnd();

        // push InvocationHandler fields
        cw.visitField(ACC_FINAL + ACC_PRIVATE, BUSSINESS_HANDLER_NAME, "Ljava/lang/reflect/InvocationHandler;", null, null).visitEnd();
        cw.visitField(ACC_FINAL + ACC_PRIVATE, NON_BUSINESS_HANDLER_NAME, "Ljava/lang/reflect/InvocationHandler;", null, null).visitEnd();

        final Map<String, List<Method>> methodMap = new HashMap<String, List<Method>>();

        getNonPrivateMethods(classToProxy, methodMap);

        for (final Class<?> anInterface : interfaces) {
            getNonPrivateMethods(anInterface, methodMap);
        }

        // Iterate over the public methods
        for (final Map.Entry<String, List<Method>> entry : methodMap.entrySet()) {

            for (final Method method : entry.getValue()) {
                final String name = method.getName();

                if (Modifier.isPublic(method.getModifiers())
                    || method.getParameterTypes().length == 0 && ("finalize".equals(name)
                    || "clone".equals(name))) {
                    // forward invocations of any public methods or
                    // finalize/clone methods to businessHandler
                    processMethod(cw, method, proxyClassFileName, BUSSINESS_HANDLER_NAME);
                } else {
                    // forward invocations of any other methods to nonBusinessHandler
                    processMethod(cw, method, proxyClassFileName, NON_BUSINESS_HANDLER_NAME);
                }
            }
        }

        return cw.toByteArray();
    }
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    private static byte[] generateBytes(final Class<?> classToProxy) throws ProxyGenerationException {

        final Map<String, MethodVisitor> visitors = new HashMap<String, MethodVisitor>();

        final ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);

        final String proxyClassFileName = getSubclassName(classToProxy).replace('.', '/');
        final String classFileName = classToProxy.getName().replace('.', '/');

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


        // push InvocationHandler field
        cw.visitField(ACC_FINAL + ACC_PRIVATE, "this$handler", "Ljava/lang/reflect/InvocationHandler;", null, null).visitEnd();

        for (final Constructor<?> constructor : classToProxy.getConstructors()) {
            if (!Modifier.isPublic(constructor.getModifiers())) {
                continue;
            }

            final MethodVisitor mv = visitConstructor(cw, proxyClassFileName, classFileName, constructor);
            visitors.put("<init>" + Type.getConstructorDescriptor(constructor), mv);
        }

        final Map<String, List<Method>> methodMap = new HashMap<String, List<Method>>();

        getNonPrivateMethods(classToProxy, methodMap);

        // Iterate over the public methods
        for (final Map.Entry<String, List<Method>> entry : methodMap.entrySet()) {

            for (final Method method : entry.getValue()) {
                if (Modifier.isAbstract(method.getModifiers())) {
                    final MethodVisitor visitor = LocalBeanProxyFactory.visit(cw, method, proxyClassFileName, "this$handler");
                    visitors.put(method.getName() + Type.getMethodDescriptor(method), visitor);
                }
            }
        }

        copyClassAnnotations(classToProxy, cw);

        copyMethodAnnotations(classToProxy, visitors);

        // This should never be reached, but just in case
        for (final MethodVisitor visitor : visitors.values()) {
            visitor.visitEnd();
        }

        return cw.toByteArray();
    }
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     */
    public Cmp1Generator(final String cmpImplClass, final Class beanClass) {
        beanClassName = Type.getInternalName(beanClass);
        implClassName = cmpImplClass.replace('.', '/');

        cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);

        postCreateGenerator = new PostCreateGenerator(beanClass, cw);
    }
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  • org.apache.openejb.config.PersistenceContextAnnFactory$PersistenceContextVisitor
  • org.apache.openejb.config.rules.KeysAnnotationVisitor
  • org.apache.openejb.config.rules.ValidationKeysAuditorTest
  • org.apache.openejb.config.ServiceClasspathTest
  • org.apache.openejb.core.cmp.cmp2.Cmp1Generator
  • org.apache.openejb.core.cmp.cmp2.Cmp2Generator
  • org.apache.openejb.core.cmp.cmp2.CmrField
  • org.apache.openejb.core.cmp.cmp2.PostCreateGenerator
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