Package org.ow2.asm

Examples of org.ow2.asm.ClassVisitor


    private final static TestClassLoader LOADER = new TestClassLoader();

    public void test() throws Exception {
        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
        ClassVisitor cv = new StaticInitMerger("$clinit$", cw);
        cv.visit(V1_1, ACC_PUBLIC, "A", null, "java/lang/Object", null);
        cv.visitField(ACC_PUBLIC + ACC_STATIC, "counter", "I", null, null);
        for (int i = 0; i < 5; ++i) {
            MethodVisitor mv = cv.visitMethod(ACC_PUBLIC,
                    "<clinit>",
                    "()V",
                    null,
                    null);
            mv.visitFieldInsn(GETSTATIC, "A", "counter", "I");
            mv.visitInsn(ICONST_1);
            mv.visitInsn(IADD);
            mv.visitFieldInsn(PUTSTATIC, "A", "counter", "I");
            mv.visitInsn(RETURN);
            mv.visitMaxs(0, 0);
        }
        MethodVisitor mv = cv.visitMethod(ACC_PUBLIC,
                "<init>",
                "()V",
                null,
                null);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        cv.visitEnd();

        Class<?> c = LOADER.defineClass("A", cw.toByteArray());
        assertEquals(c.getField("counter").getInt(c.newInstance()), 5);
    }
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    @Override
    public void test() throws Exception {
        ClassReader cr = new ClassReader(is);
        ClassWriter cw = new ClassWriter(0);
        ClassVisitor cv = new TraceClassVisitor(cw,
                new PrintWriter(new CharArrayWriter()));
        cr.accept(cv, new Attribute[] { new Comment(), new CodeComment() }, 0);
        assertEquals(cr, new ClassReader(cw.toByteArray()));
    }
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        // adapts the class on the fly
        try {
            ClassReader cr = new ClassReader(is);
            ClassWriter cw = new ClassWriter(0);
            ClassVisitor cv = new TraceFieldClassAdapter(cw);
            cr.accept(cv, 0);
            b = cw.toByteArray();
        } catch (Exception e) {
            throw new ClassNotFoundException(name, e);
        }
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        final ClassFilter filter2) throws Exception
    {
        if (!Arrays.equals(cr1.b, cr2.b)) {
            StringWriter sw1 = new StringWriter();
            StringWriter sw2 = new StringWriter();
            ClassVisitor cv1 = new TraceClassVisitor(new PrintWriter(sw1));
            ClassVisitor cv2 = new TraceClassVisitor(new PrintWriter(sw2));
            if (filter1 != null) {
                filter1.setNext(cv1);
            }
            if (filter2 != null) {
                filter2.setNext(cv2);
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    public void test() throws Exception {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        ClassReader cr = new ClassReader(is);
        ClassWriter cw = new ClassWriter(0);
        ClassVisitor cv = new JasminifierClassAdapter(pw, cw);
        cr.accept(cv,
                new Attribute[] { new Comment(), new CodeComment() },
                ClassReader.EXPAND_FRAMES);
        pw.close();
        String jasmin = sw.toString();
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            } catch (Exception e) {
                this.logger.error("Cannot configure Carol to use CMI", e);
                throw new EZBComponentException("Cannot configure Carol to use CMI", e);
            }

            ClusterViewManagerFactory clusterViewManagerFactory = ClusterViewManagerFactory.getFactory();

            // Start the manager
            try {
                this.clusterViewManager = (ServerClusterViewManager) clusterViewManagerFactory.create();
            } catch (Exception e) {
                this.logger.error("Cannot retrieve the CMI Server", e);
                throw new EZBComponentException("Cannot retrieve the CMI Server", e);
            }
            if (this.clusterViewManager != null
                    && this.clusterViewManager.getState().equals(ClusterViewManager.State.STOPPED)) {
                if (this.eventComponent != null) {
                    List<Component> components =
                        clusterViewManagerFactory.getConfig().getComponents().getComponents();
                    if (components != null) {
                        for (Component cmiEventComponent : components) {
                            if (org.ow2.cmi.component.event.EventComponent.class.isAssignableFrom(cmiEventComponent.getClass())) {
                                ((org.ow2.cmi.component.event.EventComponent) cmiEventComponent).setEventService(
                                        this.eventComponent.getEventService());
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            return EASYBEANS_ROOT;
        } else if (EZBContainer.class.isAssignableFrom(clazz)) {
            // The object is an EJB container.

            EZBContainer container = (EZBContainer) instance;

            // Get the archive name (remove all character before the last slash/antislash).
            String archiveName = container.getName().replaceAll("(.*[/\\\\])", "");

            // Compute the application id.
            return EASYBEANS_ROOT + "/" + container.getApplicationName() + "/" + archiveName;
        } else if (Factory.class.isAssignableFrom(clazz)) {
            // The object is a bean factory.

            Factory<?, ?> factory = (Factory<?, ?>) instance;
            EZBContainer container = factory.getContainer();

            // Get the archive name (remove all character before the last slash/antislash).
            String archiveName = container.getName().replaceAll("(.*[/\\\\])", "");

            // Get the bean class name (remove all character before the last point).
            String factoryName = factory.getClassName().replaceAll("(.*\\.)", "");

            // Compute the bean id.
            return EASYBEANS_ROOT + "/" + container.getApplicationName() + "/" + archiveName + "/" + factoryName;
        } else {
            throw new java.lang.IllegalArgumentException("Name is not define for argument of type " + instance.getClass());
        }
    }
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                    throw new EZBComponentException("Cannot start the CMI Server", e);
                }
            }
        }
        // register the listener.
        EZBEventListener eventListener = new CmiEventListener();
        this.eventComponent.registerEventListener(eventListener);

        this.logger.debug("The CMI configuration extension has been added.");
    }
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            public synchronized void handle(final IEvent event) {
                if (EZBEventBeanInvocationBegin.class.isAssignableFrom(event.getClass())) {
                    EZBEventBeanInvocationBegin e = (EZBEventBeanInvocationBegin) event;
                    MeanCallTimeStatistic.this.pendingCall.put(Long.valueOf(e.getInvocationNumber()), e);
                } else {
                    EZBEventBeanInvocation eventEnd = (EZBEventBeanInvocation) event;
                    EZBEventBeanInvocation eventBegin =
                        MeanCallTimeStatistic.this.pendingCall.remove(Long.valueOf(eventEnd.getInvocationNumber()));

                    MeanCallTimeStatistic.this.count++;
                    MeanCallTimeStatistic.this.total += eventEnd.getTime() - eventBegin.getTime();
                    setLastSampleTime(System.currentTimeMillis());
                }
            }
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             * Handle the event.
             * @param event The event to handle.
             */
            public synchronized void handle(final IEvent event) {
                if (EZBEventBeanInvocationBegin.class.isAssignableFrom(event.getClass())) {
                    EZBEventBeanInvocationBegin e = (EZBEventBeanInvocationBegin) event;
                    MeanCallTimeStatistic.this.pendingCall.put(Long.valueOf(e.getInvocationNumber()), e);
                } else {
                    EZBEventBeanInvocation eventEnd = (EZBEventBeanInvocation) event;
                    EZBEventBeanInvocation eventBegin =
                        MeanCallTimeStatistic.this.pendingCall.remove(Long.valueOf(eventEnd.getInvocationNumber()));

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