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Example 6 with ClassWriter

use of org.apache.xbean.asm6.ClassWriter in project component-runtime by Talend.

the class ProxyGenerator method createConstructor.

private String createConstructor(final ClassWriter cw, final Class<?> classToProxy, final String classFileName, final String proxyClassFileName, final Constructor<?> constructor, final boolean withInterceptors) {
    try {
        Constructor superDefaultCt;
        String parentClassFileName;
        String[] exceptions = null;
        if (classToProxy.isInterface()) {
            parentClassFileName = Type.getInternalName(Object.class);
            superDefaultCt = Object.class.getConstructor();
        } else {
            parentClassFileName = classFileName;
            if (constructor == null) {
                superDefaultCt = classToProxy.getConstructor();
            } else {
                superDefaultCt = constructor;
                Class<?>[] exceptionTypes = constructor.getExceptionTypes();
                exceptions = exceptionTypes.length == 0 ? null : new String[exceptionTypes.length];
                for (int i = 0; i < exceptionTypes.length; i++) {
                    exceptions[i] = Type.getInternalName(exceptionTypes[i]);
                }
            }
        }
        final String descriptor = Type.getConstructorDescriptor(superDefaultCt);
        final MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", descriptor, null, exceptions);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        if (constructor != null) {
            for (int i = 1; i <= constructor.getParameterTypes().length; i++) {
                mv.visitVarInsn(ALOAD, i);
            }
        }
        mv.visitMethodInsn(INVOKESPECIAL, parentClassFileName, "<init>", descriptor, false);
        if (withInterceptors) {
            mv.visitVarInsn(ALOAD, 0);
            mv.visitInsn(ACONST_NULL);
            mv.visitFieldInsn(PUTFIELD, proxyClassFileName, FIELD_INTERCEPTOR_HANDLER, Type.getDescriptor(InterceptorHandler.class));
        }
        mv.visitInsn(RETURN);
        mv.visitMaxs(-1, -1);
        mv.visitEnd();
        return parentClassFileName;
    } catch (final NoSuchMethodException e) {
        throw new IllegalStateException(e);
    }
}
Also used : InterceptorHandler(org.talend.sdk.component.api.service.interceptor.InterceptorHandler) Constructor(java.lang.reflect.Constructor) AllArgsConstructor(lombok.AllArgsConstructor) MethodVisitor(org.apache.xbean.asm6.MethodVisitor)

Example 7 with ClassWriter

use of org.apache.xbean.asm6.ClassWriter in project component-runtime by Talend.

the class ProxyGenerator method generateProxy.

public Class<?> generateProxy(final ClassLoader loader, final Class<?> classToProxy, final String plugin, final String key) {
    final ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
    final String proxyClassName = fixPreservedPackages((classToProxy.getSigners() != null ? getSignedClassProxyName(classToProxy) : classToProxy.getName()) + "$$TalendServiceProxy");
    final String classFileName = proxyClassName.replace('.', '/');
    final String[] interfaceNames = { Type.getInternalName(Serializable.class) };
    final String superClassName = Type.getInternalName(classToProxy);
    cw.visit(findJavaVersion(classToProxy), ACC_PUBLIC + ACC_SUPER + ACC_SYNTHETIC, classFileName, null, superClassName, interfaceNames);
    cw.visitSource(classFileName + ".java", null);
    if (!Serializable.class.isAssignableFrom(classToProxy)) {
        try {
            classToProxy.getMethod("writeReplace");
        } catch (final NoSuchMethodException e) {
            createSerialisation(cw, plugin, key);
        }
    }
    final boolean hasInterceptors = hasInterceptors(classToProxy);
    if (hasInterceptors) {
        cw.visitField(ACC_PRIVATE, FIELD_INTERCEPTOR_HANDLER, Type.getDescriptor(InterceptorHandler.class), null, null).visitEnd();
        cw.visitField(ACC_PRIVATE | ACC_STATIC, FIELD_INTERCEPTED_METHODS, Type.getDescriptor(Method[].class), null, null).visitEnd();
    }
    createConstructor(cw, classToProxy, superClassName, classFileName, Stream.of(classToProxy.getDeclaredConstructors()).filter(c -> {
        final int modifiers = c.getModifiers();
        return Modifier.isPublic(modifiers) || Modifier.isProtected(modifiers);
    }).sorted((o1, o2) -> {
        // prefer public constructor and then the smallest parameter count
        final int mod1 = o1.getModifiers();
        final int mod2 = o2.getModifiers();
        if (Modifier.isProtected(mod1) && !Modifier.isPublic(mod2)) {
            return 1;
        }
        if (Modifier.isProtected(mod2) && !Modifier.isPublic(mod1)) {
            return -1;
        }
        return o1.getParameterCount() - o2.getParameterCount();
    }).findFirst().orElseThrow(() -> new IllegalArgumentException(classToProxy + " has no default constructor, put at least a protected one")), hasInterceptors);
    final Method[] interceptedMethods;
    if (hasInterceptors) {
        final Collection<Annotation> globalInterceptors = Stream.of(classToProxy.getAnnotations()).filter(this::isInterceptor).collect(toList());
        final AtomicInteger methodIndex = new AtomicInteger();
        interceptedMethods = Stream.of(classToProxy.getMethods()).filter(m -> !"<init>".equals(m.getName()) && (!globalInterceptors.isEmpty() || Stream.of(m.getAnnotations()).anyMatch(this::isInterceptor))).peek(method -> delegateMethod(cw, method, classFileName, methodIndex.getAndIncrement())).toArray(Method[]::new);
    } else {
        interceptedMethods = null;
    }
    final Class<Object> objectClass = Unsafes.defineAndLoadClass(loader, proxyClassName, cw.toByteArray());
    if (hasInterceptors) {
        try {
            final Field interceptedMethodsField = objectClass.getDeclaredField(FIELD_INTERCEPTED_METHODS);
            interceptedMethodsField.setAccessible(true);
            interceptedMethodsField.set(null, interceptedMethods);
        } catch (final Exception e) {
            throw new IllegalStateException(e);
        }
    }
    return objectClass;
}
Also used : ILOAD(org.apache.xbean.asm6.Opcodes.ILOAD) IRETURN(org.apache.xbean.asm6.Opcodes.IRETURN) Intercepts(org.talend.sdk.component.api.service.interceptor.Intercepts) ClassReader(org.apache.xbean.asm6.ClassReader) LRETURN(org.apache.xbean.asm6.Opcodes.LRETURN) V1_8(org.apache.xbean.asm6.Opcodes.V1_8) Type(org.apache.xbean.asm6.Type) ACC_PUBLIC(org.apache.xbean.asm6.Opcodes.ACC_PUBLIC) AtomicInteger(java.util.concurrent.atomic.AtomicInteger) ACC_PRIVATE(org.apache.xbean.asm6.Opcodes.ACC_PRIVATE) ALOAD(org.apache.xbean.asm6.Opcodes.ALOAD) ACC_SUPER(org.apache.xbean.asm6.Opcodes.ACC_SUPER) Method(java.lang.reflect.Method) IFEQ(org.apache.xbean.asm6.Opcodes.IFEQ) PUTFIELD(org.apache.xbean.asm6.Opcodes.PUTFIELD) GETFIELD(org.apache.xbean.asm6.Opcodes.GETFIELD) BIPUSH(org.apache.xbean.asm6.Opcodes.BIPUSH) ACC_SYNTHETIC(org.apache.xbean.asm6.Opcodes.ACC_SYNTHETIC) Collection(java.util.Collection) NEW(org.apache.xbean.asm6.Opcodes.NEW) LLOAD(org.apache.xbean.asm6.Opcodes.LLOAD) Serializable(java.io.Serializable) AASTORE(org.apache.xbean.asm6.Opcodes.AASTORE) ACC_VARARGS(org.apache.xbean.asm6.Opcodes.ACC_VARARGS) Stream(java.util.stream.Stream) EmptyVisitor(org.apache.xbean.asm6.shade.commons.EmptyVisitor) INVOKEVIRTUAL(org.apache.xbean.asm6.Opcodes.INVOKEVIRTUAL) Modifier(java.lang.reflect.Modifier) SIPUSH(org.apache.xbean.asm6.Opcodes.SIPUSH) Annotation(java.lang.annotation.Annotation) FRETURN(org.apache.xbean.asm6.Opcodes.FRETURN) CHECKCAST(org.apache.xbean.asm6.Opcodes.CHECKCAST) ASTORE(org.apache.xbean.asm6.Opcodes.ASTORE) InterceptorHandler(org.talend.sdk.component.api.service.interceptor.InterceptorHandler) DLOAD(org.apache.xbean.asm6.Opcodes.DLOAD) INVOKESTATIC(org.apache.xbean.asm6.Opcodes.INVOKESTATIC) Label(org.apache.xbean.asm6.Label) ATHROW(org.apache.xbean.asm6.Opcodes.ATHROW) Constructor(java.lang.reflect.Constructor) ANEWARRAY(org.apache.xbean.asm6.Opcodes.ANEWARRAY) AALOAD(org.apache.xbean.asm6.Opcodes.AALOAD) ACC_PROTECTED(org.apache.xbean.asm6.Opcodes.ACC_PROTECTED) POP(org.apache.xbean.asm6.Opcodes.POP) ICONST_0(org.apache.xbean.asm6.Opcodes.ICONST_0) ICONST_2(org.apache.xbean.asm6.Opcodes.ICONST_2) SKIP_DEBUG(org.apache.xbean.asm6.ClassReader.SKIP_DEBUG) ICONST_1(org.apache.xbean.asm6.Opcodes.ICONST_1) INVOKEINTERFACE(org.apache.xbean.asm6.Opcodes.INVOKEINTERFACE) INVOKESPECIAL(org.apache.xbean.asm6.Opcodes.INVOKESPECIAL) ICONST_4(org.apache.xbean.asm6.Opcodes.ICONST_4) ICONST_3(org.apache.xbean.asm6.Opcodes.ICONST_3) FLOAD(org.apache.xbean.asm6.Opcodes.FLOAD) ACONST_NULL(org.apache.xbean.asm6.Opcodes.ACONST_NULL) RETURN(org.apache.xbean.asm6.Opcodes.RETURN) Field(java.lang.reflect.Field) MethodVisitor(org.apache.xbean.asm6.MethodVisitor) ACC_STATIC(org.apache.xbean.asm6.Opcodes.ACC_STATIC) ObjectStreamException(java.io.ObjectStreamException) Collectors.toList(java.util.stream.Collectors.toList) DRETURN(org.apache.xbean.asm6.Opcodes.DRETURN) GETSTATIC(org.apache.xbean.asm6.Opcodes.GETSTATIC) DUP(org.apache.xbean.asm6.Opcodes.DUP) ClassWriter(org.apache.xbean.asm6.ClassWriter) ICONST_5(org.apache.xbean.asm6.Opcodes.ICONST_5) ARETURN(org.apache.xbean.asm6.Opcodes.ARETURN) AllArgsConstructor(lombok.AllArgsConstructor) InputStream(java.io.InputStream) Serializable(java.io.Serializable) Method(java.lang.reflect.Method) ClassWriter(org.apache.xbean.asm6.ClassWriter) Annotation(java.lang.annotation.Annotation) ObjectStreamException(java.io.ObjectStreamException) Field(java.lang.reflect.Field) AtomicInteger(java.util.concurrent.atomic.AtomicInteger)

Example 8 with ClassWriter

use of org.apache.xbean.asm6.ClassWriter in project component-runtime by Talend.

the class ProxyGenerator method delegateMethod.

private void delegateMethod(final ClassWriter cw, final Method method, final String proxyClassFileName, final int methodIndex) {
    final Class<?> returnType = method.getReturnType();
    final Class<?>[] parameterTypes = method.getParameterTypes();
    final Class<?>[] exceptionTypes = method.getExceptionTypes();
    final int modifiers = method.getModifiers();
    if (Modifier.isFinal(modifiers) || Modifier.isStatic(modifiers)) {
        throw new IllegalStateException("It's not possible to proxy a final or static method: " + method.getDeclaringClass().getName() + " " + method.getName());
    }
    // push the method definition
    int modifier = modifiers & (ACC_PUBLIC | ACC_PROTECTED | ACC_VARARGS);
    MethodVisitor mv = cw.visitMethod(modifier, method.getName(), Type.getMethodDescriptor(method), null, null);
    mv.visitCode();
    // push try/catch block, to catch declared exceptions, and to catch java.lang.Throwable
    final Label l0 = new Label();
    final Label l1 = new Label();
    final Label l2 = new Label();
    if (exceptionTypes.length > 0) {
        mv.visitTryCatchBlock(l0, l1, l2, "java/lang/reflect/InvocationTargetException");
    }
    // push try code
    mv.visitLabel(l0);
    final String classNameToOverride = method.getDeclaringClass().getName().replace('.', '/');
    mv.visitLdcInsn(Type.getType("L" + classNameToOverride + ";"));
    // the following code generates the bytecode for this line of Java:
    // Method method = <proxy>.class.getMethod("add", new Class[] { <array of function argument classes> });
    // get the method name to invoke, and push to stack
    mv.visitLdcInsn(method.getName());
    // create the Class[]
    createArrayDefinition(mv, parameterTypes.length, Class.class);
    int length = 1;
    // push parameters into array
    for (int i = 0; i < parameterTypes.length; i++) {
        // keep copy of array on stack
        mv.visitInsn(DUP);
        Class<?> parameterType = parameterTypes[i];
        // push number onto stack
        pushIntOntoStack(mv, i);
        if (parameterType.isPrimitive()) {
            String wrapperType = getWrapperType(parameterType);
            mv.visitFieldInsn(GETSTATIC, wrapperType, "TYPE", "Ljava/lang/Class;");
        } else {
            mv.visitLdcInsn(Type.getType(parameterType));
        }
        mv.visitInsn(AASTORE);
        if (Long.TYPE.equals(parameterType) || Double.TYPE.equals(parameterType)) {
            length += 2;
        } else {
            length++;
        }
    }
    // the following code generates bytecode equivalent to:
    // return ((<returntype>) invocationHandler.invoke(this, {methodIndex}, new Object[] { <function arguments
    // }))[.<primitive>Value()];
    final Label l4 = new Label();
    mv.visitLabel(l4);
    mv.visitVarInsn(ALOAD, 0);
    // get the invocationHandler field from this class
    mv.visitFieldInsn(GETFIELD, proxyClassFileName, FIELD_INTERCEPTOR_HANDLER, Type.getDescriptor(InterceptorHandler.class));
    // add the Method from the static array as first parameter
    mv.visitFieldInsn(GETSTATIC, proxyClassFileName, FIELD_INTERCEPTED_METHODS, Type.getDescriptor(Method[].class));
    // push the methodIndex of the current method
    if (methodIndex < 128) {
        mv.visitIntInsn(BIPUSH, methodIndex);
    } else if (methodIndex < 32267) {
        // for methods > 127 we need to push a short number as index
        mv.visitIntInsn(SIPUSH, methodIndex);
    } else {
        throw new IllegalStateException("Sorry, we only support Classes with 2^15 methods...");
    }
    // and now load the Method from the array
    mv.visitInsn(AALOAD);
    // prepare the parameter array as Object[] and store it on the stack
    pushMethodParameterArray(mv, parameterTypes);
    // invoke the invocationHandler
    mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(InterceptorHandler.class), "invoke", "(Ljava/lang/reflect/Method;[Ljava/lang/Object;)Ljava/lang/Object;", true);
    // cast the result
    mv.visitTypeInsn(CHECKCAST, getCastType(returnType));
    if (returnType.isPrimitive() && (!Void.TYPE.equals(returnType))) {
        // get the primitive value
        mv.visitMethodInsn(INVOKEVIRTUAL, getWrapperType(returnType), getPrimitiveMethod(returnType), "()" + Type.getDescriptor(returnType), false);
    }
    // push return
    mv.visitLabel(l1);
    if (!Void.TYPE.equals(returnType)) {
        mv.visitInsn(getReturnInsn(returnType));
    } else {
        mv.visitInsn(POP);
        mv.visitInsn(RETURN);
    }
    // catch InvocationTargetException
    if (exceptionTypes.length > 0) {
        mv.visitLabel(l2);
        mv.visitVarInsn(ASTORE, length);
        Label l5 = new Label();
        mv.visitLabel(l5);
        for (int i = 0; i < exceptionTypes.length; i++) {
            Class<?> exceptionType = exceptionTypes[i];
            mv.visitLdcInsn(Type.getType("L" + exceptionType.getCanonicalName().replace('.', '/') + ";"));
            mv.visitVarInsn(ALOAD, length);
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/InvocationTargetException", "getCause", "()Ljava/lang/Throwable;", false);
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;", false);
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "equals", "(Ljava/lang/Object;)Z", false);
            final Label l6 = new Label();
            mv.visitJumpInsn(IFEQ, l6);
            final Label l7 = new Label();
            mv.visitLabel(l7);
            mv.visitVarInsn(ALOAD, length);
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/reflect/InvocationTargetException", "getCause", "()Ljava/lang/Throwable;", false);
            mv.visitTypeInsn(CHECKCAST, getCastType(exceptionType));
            mv.visitInsn(ATHROW);
            mv.visitLabel(l6);
            if (i == (exceptionTypes.length - 1)) {
                mv.visitTypeInsn(NEW, "java/lang/reflect/UndeclaredThrowableException");
                mv.visitInsn(DUP);
                mv.visitVarInsn(ALOAD, length);
                mv.visitMethodInsn(INVOKESPECIAL, "java/lang/reflect/UndeclaredThrowableException", "<init>", "(Ljava/lang/Throwable;)V", false);
                mv.visitInsn(ATHROW);
            }
        }
    }
    // finish this method
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}
Also used : InterceptorHandler(org.talend.sdk.component.api.service.interceptor.InterceptorHandler) Label(org.apache.xbean.asm6.Label) MethodVisitor(org.apache.xbean.asm6.MethodVisitor)

Example 9 with ClassWriter

use of org.apache.xbean.asm6.ClassWriter in project component-runtime by Talend.

the class RepositoryModelBuilderTest method createChainPlugin.

private File createChainPlugin(final File dir, final String plugin) {
    final File target = new File(dir, plugin);
    try (final JarOutputStream outputStream = new JarOutputStream(new FileOutputStream(target))) {
        final String packageName = toPackage(target.getParentFile().getParentFile().getName()).replace(".", "/");
        final String sourcePackage = "org/talend/test";
        final String fromPack = sourcePackage.replace('/', '.');
        final String toPack = packageName.replace('.', '/');
        final File root = new File(jarLocation(getClass()), sourcePackage);
        ofNullable(root.listFiles()).map(Stream::of).orElseGet(Stream::empty).filter(c -> c.getName().endsWith(".class")).forEach(clazz -> {
            try (final InputStream is = new FileInputStream(clazz)) {
                final ClassReader reader = new ClassReader(is);
                final ClassWriter writer = new ClassWriter(COMPUTE_FRAMES);
                reader.accept(new ClassRemapper(writer, new Remapper() {

                    @Override
                    public String map(final String key) {
                        return key.replace(sourcePackage, toPack).replace(fromPack, packageName);
                    }
                }), EXPAND_FRAMES);
                outputStream.putNextEntry(new JarEntry(toPack + '/' + clazz.getName()));
                outputStream.write(writer.toByteArray());
            } catch (final IOException e) {
                fail(e.getMessage());
            }
        });
    } catch (final IOException e) {
        throw new IllegalStateException(e);
    }
    return target;
}
Also used : Assertions.fail(org.junit.jupiter.api.Assertions.fail) Assertions.assertNotNull(org.junit.jupiter.api.Assertions.assertNotNull) ComponentFamilyMeta(org.talend.sdk.component.runtime.manager.ComponentFamilyMeta) HashMap(java.util.HashMap) ClassReader(org.apache.xbean.asm6.ClassReader) Collections.singletonList(java.util.Collections.singletonList) DataStore1(org.talend.test.DataStore1) JarEntry(java.util.jar.JarEntry) Collections.singleton(java.util.Collections.singleton) ClassRemapper(org.apache.xbean.asm6.commons.ClassRemapper) WithTemporaryFolder(org.talend.sdk.component.junit.base.junit5.WithTemporaryFolder) ParameterModelService(org.talend.sdk.component.runtime.manager.reflect.ParameterModelService) Assertions.assertEquals(org.junit.jupiter.api.Assertions.assertEquals) EXPAND_FRAMES(org.apache.xbean.asm6.ClassReader.EXPAND_FRAMES) JarOutputStream(java.util.jar.JarOutputStream) Remapper(org.apache.xbean.asm6.commons.Remapper) ParameterMeta(org.talend.sdk.component.runtime.manager.ParameterMeta) Collections.emptyMap(java.util.Collections.emptyMap) COMPUTE_FRAMES(org.apache.xbean.asm6.ClassWriter.COMPUTE_FRAMES) Container(org.talend.sdk.component.container.Container) Collections.emptyList(java.util.Collections.emptyList) Optional.ofNullable(java.util.Optional.ofNullable) FileOutputStream(java.io.FileOutputStream) WrappingStore(org.talend.test.WrappingStore) IOException(java.io.IOException) FileInputStream(java.io.FileInputStream) IdGenerator(org.talend.sdk.component.runtime.manager.util.IdGenerator) File(java.io.File) TestInfo(org.junit.jupiter.api.TestInfo) RepositoryModel(org.talend.sdk.component.design.extension.RepositoryModel) Test(org.junit.jupiter.api.Test) Collectors.toList(java.util.stream.Collectors.toList) List(java.util.List) Stream(java.util.stream.Stream) TemporaryFolder(org.talend.sdk.component.junit.base.junit5.TemporaryFolder) JarLocation.jarLocation(org.apache.ziplock.JarLocation.jarLocation) ClassWriter(org.apache.xbean.asm6.ClassWriter) ComponentManager(org.talend.sdk.component.runtime.manager.ComponentManager) MigrationHandlerFactory(org.talend.sdk.component.runtime.manager.reflect.MigrationHandlerFactory) ReflectionService(org.talend.sdk.component.runtime.manager.reflect.ReflectionService) InputStream(java.io.InputStream) PartitionMapper1(org.talend.test.PartitionMapper1) FileInputStream(java.io.FileInputStream) InputStream(java.io.InputStream) JarOutputStream(java.util.jar.JarOutputStream) IOException(java.io.IOException) JarEntry(java.util.jar.JarEntry) ClassRemapper(org.apache.xbean.asm6.commons.ClassRemapper) FileInputStream(java.io.FileInputStream) ClassWriter(org.apache.xbean.asm6.ClassWriter) ClassRemapper(org.apache.xbean.asm6.commons.ClassRemapper) Remapper(org.apache.xbean.asm6.commons.Remapper) FileOutputStream(java.io.FileOutputStream) ClassReader(org.apache.xbean.asm6.ClassReader) JarOutputStream(java.util.jar.JarOutputStream) FileOutputStream(java.io.FileOutputStream) FileInputStream(java.io.FileInputStream) Stream(java.util.stream.Stream) InputStream(java.io.InputStream) File(java.io.File)

Example 10 with ClassWriter

use of org.apache.xbean.asm6.ClassWriter in project tomee by apache.

the class ValidationGenerator method generate.

public byte[] generate() throws ProxyGenerationException {
    generatedMethods.clear();
    final ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
    final String generatedClassName = getName().replace('.', '/');
    cw.visit(V1_8, ACC_PUBLIC + ACC_SUPER, generatedClassName, null, "java/lang/Object", null);
    {
        // public constructor
        final MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
        mv.visitInsn(RETURN);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
    }
    generateMethods(cw);
    /**
     * Read all parent classes and copy the public methods we need
     * into our new class.
     */
    Class current = clazz;
    while (current != null && !current.equals(Object.class)) {
        try {
            final ClassReader classReader = new ClassReader(DynamicSubclass.readClassFile(current));
            classReader.accept(new CopyMethodAnnotations(), ClassReader.SKIP_CODE);
        } catch (final IOException e) {
            throw new ProxyGenerationException(e);
        }
        current = current.getSuperclass();
    }
    return cw.toByteArray();
}
Also used : ProxyGenerationException(org.apache.openejb.util.proxy.ProxyGenerationException) ClassReader(org.apache.xbean.asm9.ClassReader) IOException(java.io.IOException) ClassWriter(org.apache.xbean.asm9.ClassWriter) MethodVisitor(org.apache.xbean.asm9.MethodVisitor)

Aggregations

MethodVisitor (org.apache.xbean.asm6.MethodVisitor)8 ClassWriter (org.apache.xbean.asm9.ClassWriter)8 ClassWriter (org.apache.xbean.asm6.ClassWriter)7 MethodVisitor (org.apache.xbean.asm9.MethodVisitor)6 IOException (java.io.IOException)5 InputStream (java.io.InputStream)4 Method (java.lang.reflect.Method)4 HashMap (java.util.HashMap)4 List (java.util.List)4 Stream (java.util.stream.Stream)4 ZipEntry (java.util.zip.ZipEntry)4 ClassReader (org.apache.xbean.asm6.ClassReader)4 File (java.io.File)3 FileInputStream (java.io.FileInputStream)3 FileOutputStream (java.io.FileOutputStream)3 ArrayList (java.util.ArrayList)3 Map (java.util.Map)3 Optional.ofNullable (java.util.Optional.ofNullable)3 JarEntry (java.util.jar.JarEntry)3 JarOutputStream (java.util.jar.JarOutputStream)3