Examples of org.codehaus.aspectwerkz.aspect.Aspect

org.codehaus.aspectwerkz.aspect.Aspect
Dummy class for back-compatibility reasons. @author Jonas Bon�r

            catch (ClassNotFoundException e) {
                throw new RuntimeException(aspectClassName + " could not be found on classpath: " + e.toString());
            }


            // create an instance of the aspect class
            final Aspect aspect;
            try {
                aspect = (Aspect)aspectClass.newInstance();
            }
            catch (Exception e) {
                throw new RuntimeException(
                        "could not create a new instance of aspect [" + aspectClassName +
                        "], does the class inherit the [org.codehaus.aspectwerkz.aspect.Aspect] class?: " +
                        e.toString()
                );
            }


            int deploymentModel;
            if (aspectDef.getDeploymentModel() == null || aspectDef.getDeploymentModel().equals("")) {
                deploymentModel = DeploymentModel.PER_JVM;
            }
            else {
                deploymentModel = DeploymentModel.getDeploymentModelAsInt(aspectDef.getDeploymentModel());
            }


            // set the parameters
            Field field = Aspect.class.getDeclaredField("m_uuid");
            field.setAccessible(true);
            field.set(aspect, uuid);


            aspect.___AW_setName(aspectDef.getName());
            aspect.___AW_setAspectClass(aspectClass);
            aspect.___AW_setDeploymentModel(deploymentModel);
            aspect.___AW_setAspectDef(aspectDef);
            for (Iterator it = parameters.entrySet().iterator(); it.hasNext();) {
                Map.Entry entry = (Map.Entry)it.next();
                aspect.___AW_setParameter((String)entry.getKey(), (String)entry.getValue());
            }


            // create and set the container for the aspect
            aspect.___AW_setContainer(new AspectContainer(aspect));


            PointcutManager pointcutManager = new PointcutManager(uuid, aspectDef.getName(), deploymentModel);


            // register the aspect in the system
            SystemLoader.getSystem(uuid).getAspectManager().register(aspect, pointcutManager);

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            final ClassWriter cw,
            final String aspectFieldName,
            final CodeVisitor cv,
            final String className) {


        Aspect aspect = system.getAspectManager().getAspect(adviceTuple.getAspectIndex());
        String aspectClassName = aspect.getClass().getName().replace('.', '/');


        String aspectClassSignature = L + aspectClassName + SEMICOLON;


        // add the aspect field
        cw.visitField(Constants.ACC_PRIVATE, aspectFieldName, aspectClassSignature, null, null);


        // handle the init in the constructor
        cv.visitVarInsn(Constants.ALOAD, 0);
        cv.visitVarInsn(Constants.ALOAD, 0);
        cv.visitFieldInsn(Constants.GETFIELD, className, SYSTEM_FIELD_NAME, SYSTEM_CLASS_SIGNATURE);
        cv.visitMethodInsn(
                Constants.INVOKEVIRTUAL, SYSTEM_CLASS_NAME, GET_ASPECT_MANAGER_METHOD_NAME,
                GET_ASPECT_MANAGER_METHOD_NAME_SIGNATURE
        );
        cv.visitIntInsn(Constants.BIPUSH, adviceTuple.getAspectIndex());
        cv.visitMethodInsn(
                Constants.INVOKEVIRTUAL, ASPECT_MANAGER_CLASS_NAME,
                GET_ASPECT_METHOD_NAME, GET_ASPECT_METHOD_SIGNATURE
        );


        switch (aspect.___AW_getDeploymentModel()) {
            case DeploymentModel.PER_JVM:
                cv.visitMethodInsn(
                        Constants.INVOKEVIRTUAL, ASPECT_CLASS_NAME,
                        GET_PER_JVM_ASPECT_METHOD_NAME,
                        GET_PER_JVM_ASPECT_METHOD_SIGNATURE

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            cv.visitLabel(switchCaseLabels[0]);


            // add invocations to the before advices
            for (int i = 0; i < beforeAdvices.length; i++) {
                IndexTuple beforeAdvice = beforeAdvices[i];
                Aspect aspect = system.getAspectManager().getAspect(beforeAdvice.getAspectIndex());
                Method adviceMethod = aspect.___AW_getAdvice(beforeAdvice.getMethodIndex());
                String aspectClassName = aspect.getClass().getName().replace('.', '/');


                String aspectFieldName = BEFORE_ADVICE_FIELD_PREFIX + i;
                String aspectClassSignature = L + aspectClassName + SEMICOLON;


                cv.visitVarInsn(Constants.ALOAD, 0);
                cv.visitFieldInsn(Constants.GETFIELD, className, aspectFieldName, aspectClassSignature);
                cv.visitVarInsn(Constants.ALOAD, 0);
                cv.visitMethodInsn(
                        Constants.INVOKEVIRTUAL, aspectClassName, adviceMethod.getName(),
                        BEFORE_ADVICE_METHOD_SIGNATURE
                );
            }


            // add invocation to this.proceed
            cv.visitVarInsn(Constants.ALOAD, 0);
            cv.visitMethodInsn(Constants.INVOKEVIRTUAL, className, PROCEED_METHOD_NAME, PROCEED_METHOD_SIGNATURE);
            cv.visitVarInsn(Constants.ASTORE, 1);


            // add invocations to the after advices
            for (int i = afterAdvices.length - 1; i >= 0; i--) {
                IndexTuple afterAdvice = afterAdvices[i];
                Aspect aspect = system.getAspectManager().getAspect(afterAdvice.getAspectIndex());
                Method adviceMethod = aspect.___AW_getAdvice(afterAdvice.getMethodIndex());
                String aspectClassName = aspect.getClass().getName().replace('.', '/');


                String aspectFieldName = AFTER_ADVICE_FIELD_PREFIX + i;
                String aspectClassSignature = L + aspectClassName + SEMICOLON;


                cv.visitVarInsn(Constants.ALOAD, 0);

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        if (hasBeforeAfterAdvice) {
            j = 1;
        }
        for (; i < aroundAdvices.length; i++, j++) {
            IndexTuple aroundAdvice = aroundAdvices[i];
            Aspect aspect = system.getAspectManager().getAspect(aroundAdvice.getAspectIndex());
            Method adviceMethod = aspect.___AW_getAdvice(aroundAdvice.getMethodIndex());
            String aspectClassName = aspect.getClass().getName().replace('.', '/');


            String aspectFieldName = AROUND_ADVICE_FIELD_PREFIX + i;
            String aspectClassSignature = L + aspectClassName + SEMICOLON;


            cv.visitLabel(switchCaseLabels[j]);

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     *
     * @param index the index of the aspect
     * @return the aspect
     */
    public Aspect getAspect(final int index) {
        Aspect aspect;
        try {
            aspect = m_aspects[index - 1];
        }
        catch (Throwable e) {
            initialize();

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     *
     * @param name the name of the aspect
     * @return the the aspect
     */
    public Aspect getAspect(final String name) {
        Aspect aspect;
        try {
            aspect = m_aspects[m_aspectIndexes.get(name) - 1];
        }
        catch (Throwable e1) {
            initialize();

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        }
        if (deploymentModel < 0 || deploymentModel > 3) {
            throw new IllegalArgumentException(deploymentModel + " is not a valid deployment model type");
        }


        Aspect prototype = null;
        Class aspectClass = null;
        try {
            if (loader == null) {
                aspectClass = ContextClassLoader.loadClass(aspectClassName);
            }
            else {
                aspectClass = loader.loadClass(aspectClassName);
            }
        }
        catch (Exception e) {
            StringBuffer msg = new StringBuffer();
            msg.append("could not load aspect class [");
            msg.append(aspectClassName);
            msg.append("] with name ");
            msg.append(name);
            msg.append(": ");
            msg.append(e.toString());
            throw new RuntimeException(msg.toString());
        }


        try {
            prototype = (Aspect)aspectClass.newInstance();
        }
        catch (Exception e) {
            StringBuffer msg = new StringBuffer();
            msg.append("could not create a new instance of aspect [");
            msg.append(aspectClassName);
            msg.append("], does the class inherit the [org.codehaus.aspectwerkz.aspect.Aspect] class?: ");
            msg.append(e.toString());
            throw new RuntimeException(msg.toString());
        }


        // create the aspect definition
        AspectDefinition aspectDef = new AspectDefinition(
                aspectClassName,
                aspectClassName,
                DeploymentModel.getDeploymentModelAsString(deploymentModel)
        );


        // parse the class attributes and create a definition
        m_attributeParser.parse(aspectClass, aspectDef, m_definition);
        m_definition.addAspect(aspectDef);


        prototype.___AW_setDeploymentModel(deploymentModel);
        prototype.___AW_setName(name);
        prototype.___AW_setAspectClass(prototype.getClass());
        prototype.___AW_setContainer(new AspectContainer(prototype));
        prototype.___AW_setAspectDef(aspectDef);


        m_aspectRegistry.register(prototype, new PointcutManager(m_uuid, name, deploymentModel));
    }

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Related Classes of org.codehaus.aspectwerkz.aspect.Aspect

org.codehaus.aspectwerkz.aspect.management.AspectManager

org.codehaus.aspectwerkz.aspect.management.AspectRegistry

org.codehaus.aspectwerkz.definition.StartupManager

org.codehaus.aspectwerkz.joinpoint.management.JitCompiler

org.codehaus.aspectwerkz.exception.DefinitionException

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