Package org.apache.xbean.asm4

Examples of org.apache.xbean.asm4.MethodVisitor


        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

    private void createOpenEJB_isDeleted() {
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "OpenEJB_isDeleted", "()Z", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, implClassName, DELETED, "Z");
        mv.visitInsn(IRETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
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        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

    private void createOpenEJB_deleted() {
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "OpenEJB_deleted", "()V", null, null);
        mv.visitCode();

        /* if (deleted) return; */
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, implClassName, DELETED, "Z");
        Label notDeleted = new Label();
        mv.visitJumpInsn(IFEQ, notDeleted);
        mv.visitInsn(RETURN);
        mv.visitLabel(notDeleted);

        // deleted = true;
        mv.visitVarInsn(ALOAD, 0);
        mv.visitInsn(ICONST_1);
        mv.visitFieldInsn(PUTFIELD, implClassName, DELETED, "Z");

        for (CmrField cmrField : cmrFields) {
            // ${cmrField.accessor}.delete(${cmrField.name});
            createOpenEJB_deleted(mv, cmrField);
        }

        // return;
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
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        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }

    private void createOpenEJB_addCmr() {
        MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "OpenEJB_addCmr", "(Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/Object;", null, null);
        mv.visitCode();

        // if (deleted) return null;
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, implClassName, DELETED, "Z");
        Label notDeleted = new Label();
        mv.visitJumpInsn(IFEQ, notDeleted);
        mv.visitInsn(ACONST_NULL);
        mv.visitInsn(ARETURN);
        mv.visitLabel(notDeleted);

        for (CmrField cmrField : cmrFields) {
            // if ("${cmrField.name}".equals(name)) {
            //     ${cmrField.name}.add((${cmrField.type})value);
            //     return null;
            // }
            //
            // OR
            //
            // if ("${cmrField.name}".equals(name)) {
            //     Object oldValue = ${cmrField.name};
            //     ${cmrField.name} = (${cmrField.type}) bean;
            //     return oldValue;
            // }
            createOpenEJB_addCmr(mv, cmrField);
        }

        // throw new IllegalArgumentException("Unknown cmr field " + name + " on entity bean of type " + getClass().getName());
        mv.visitTypeInsn(NEW, "java/lang/IllegalArgumentException");
        mv.visitInsn(DUP);
        mv.visitTypeInsn(NEW, "java/lang/StringBuilder");
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "()V");
        mv.visitLdcInsn("Unknown cmr field ");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;");
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;");
        mv.visitLdcInsn(" on entity bean of type ");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;");
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Class", "getName", "()Ljava/lang/String;");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "append", "(Ljava/lang/String;)Ljava/lang/StringBuilder;");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;");
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/IllegalArgumentException", "<init>", "(Ljava/lang/String;)V");
        mv.visitInsn(ATHROW);

        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
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     * class.  This is just a forwarding constructor that
     * calls the superclass (the bean implementation class)
     * default constructor.
     */
    private void createConstructor() {
        MethodVisitor mv = mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, beanClassName, "<init>", "()V");

        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
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        cw.visitField(ACC_FINAL + ACC_PRIVATE, "this$handler", "Ljava/lang/reflect/InvocationHandler;", null, null).visitEnd();

        for (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 (MethodVisitor visitor : visitors.values()) {
            visitor.visitEnd();
        }

        return cw.toByteArray();
    }
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        final String[] exceptions = new String[constructor.getExceptionTypes().length];
        for (int i = 0; i < exceptions.length; i++) {
            exceptions[i] = Type.getInternalName(constructor.getExceptionTypes()[i]);
        }

        final MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", descriptor, null, exceptions);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        int index = 1;

        for (Type type : Type.getArgumentTypes(descriptor)) {
            mv.visitVarInsn(type.getOpcode(ILOAD), index);
            index += size(type);
        }

        mv.visitMethodInsn(INVOKESPECIAL, classFileName, "<init>", descriptor);

        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(PUTFIELD, proxyClassFileName, "this$handler", "Ljava/lang/reflect/InvocationHandler;");
        mv.visitInsn(RETURN);
        mv.visitMaxs(2, 1);
        return mv;
    }
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            this.visitors = visitors;
        }

        @Override
        public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
            final MethodVisitor newMethod = visitors.remove(name + desc);

            if (newMethod == null) return null;

            final MethodVisitor oldMethod = super.visitMethod(access, name, desc, signature, exceptions);

            return new MoveAnnotationsVisitor(oldMethod, newMethod);
        }
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        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('.', '/');
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        String classFilePath = factory.replace('.', '/');

        String sourceFileName = factory.substring(factory.lastIndexOf('.') + 1, factory.length()) + ".java";

        ClassWriter cw = new ClassWriter(0);
        MethodVisitor mv;

        cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, classFilePath, null, "java/lang/Object", new String[]{"org/hibernate/transaction/TransactionManagerLookup"});

        cw.visitSource(sourceFileName, null);

        {
            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
            mv.visitInsn(RETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PUBLIC, "getTransactionManager", "(Ljava/util/Properties;)Ljavax/transaction/TransactionManager;", null, new String[]{"org/hibernate/HibernateException"});
            mv.visitCode();
            mv.visitMethodInsn(INVOKESTATIC, "org/apache/openejb/OpenEJB", "getTransactionManager", "()Ljavax/transaction/TransactionManager;");
            mv.visitInsn(ARETURN);
            mv.visitMaxs(1, 2);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PUBLIC, "getUserTransactionName", "()Ljava/lang/String;", null, null);
            mv.visitCode();
            mv.visitLdcInsn("java:comp/UserTransaction");
            mv.visitInsn(ARETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PUBLIC, "getTransactionIdentifier", "(Ljavax/transaction/Transaction;)Ljava/lang/Object;", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 1);
            mv.visitInsn(ARETURN);
            mv.visitMaxs(1, 2);
            mv.visitEnd();
        }
        cw.visitEnd();


        write(baseDir, cw, classFilePath);
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        String sourceFileName = factory.substring(factory.lastIndexOf('.') + 1, factory.length()) + ".java";


        ClassWriter cw = new ClassWriter(0);
        MethodVisitor mv;

        cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, classFilePath, null, "oracle/toplink/essentials/transaction/JTATransactionController", null);

        cw.visitSource(sourceFileName, null);

        {
            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, "oracle/toplink/essentials/transaction/JTATransactionController", "<init>", "()V");
            mv.visitInsn(RETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PROTECTED, "acquireTransactionManager", "()Ljavax/transaction/TransactionManager;", null, new String[]{"java/lang/Exception"});
            mv.visitCode();
            mv.visitMethodInsn(INVOKESTATIC, "org/apache/openejb/OpenEJB", "getTransactionManager", "()Ljavax/transaction/TransactionManager;");
            mv.visitInsn(ARETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        cw.visitEnd();


        write(baseDir, cw, classFilePath);
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