Examples with DeploymentReflectionIndex org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex used on opensource projects

Example 31 with DeploymentReflectionIndex

use of org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex in project wildfly by wildfly.

the class DeploymentDescriptorInterceptorBindingsProcessor method deploy.

@Override
public void deploy(final DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
    final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
    final EjbJarMetaData metaData = deploymentUnit.getAttachment(EjbDeploymentAttachmentKeys.EJB_JAR_METADATA);
    final EEModuleDescription eeModuleDescription = deploymentUnit.getAttachment(Attachments.EE_MODULE_DESCRIPTION);
    final Module module = deploymentUnit.getAttachment(org.jboss.as.server.deployment.Attachments.MODULE);
    final DeploymentReflectionIndex index = deploymentUnit.getAttachment(org.jboss.as.server.deployment.Attachments.REFLECTION_INDEX);
    if (metaData == null) {
        return;
    }
    if (metaData.getAssemblyDescriptor() == null) {
        return;
    }
    if (metaData.getAssemblyDescriptor().getInterceptorBindings() == null) {
        return;
    }
    //default interceptors must be mentioned in the interceptors section
    final Set<String> interceptorClasses = new HashSet<String>();
    if (metaData.getInterceptors() != null) {
        for (final InterceptorMetaData interceptor : metaData.getInterceptors()) {
            interceptorClasses.add(interceptor.getInterceptorClass());
        }
    }
    final Map<String, List<InterceptorBindingMetaData>> bindingsPerComponent = new HashMap<String, List<InterceptorBindingMetaData>>();
    final List<InterceptorBindingMetaData> defaultInterceptorBindings = new ArrayList<InterceptorBindingMetaData>();
    for (final InterceptorBindingMetaData binding : metaData.getAssemblyDescriptor().getInterceptorBindings()) {
        if (binding.getEjbName().equals("*")) {
            if (binding.getMethod() != null) {
                throw EjbLogger.ROOT_LOGGER.defaultInterceptorsNotBindToMethod();
            }
            if (binding.getInterceptorOrder() != null) {
                throw EjbLogger.ROOT_LOGGER.defaultInterceptorsNotSpecifyOrder();
            }
            defaultInterceptorBindings.add(binding);
        } else if (ejbNameRegexService.isEjbNameRegexAllowed()) {
            Pattern pattern = Pattern.compile(binding.getEjbName());
            for (final ComponentDescription componentDescription : eeModuleDescription.getComponentDescriptions()) {
                if (componentDescription instanceof EJBComponentDescription) {
                    String ejbName = ((EJBComponentDescription) componentDescription).getEJBName();
                    if (pattern.matcher(ejbName).matches()) {
                        List<InterceptorBindingMetaData> bindings = bindingsPerComponent.get(ejbName);
                        if (bindings == null) {
                            bindingsPerComponent.put(ejbName, bindings = new ArrayList<InterceptorBindingMetaData>());
                        }
                        bindings.add(binding);
                    }
                }
            }
        } else {
            List<InterceptorBindingMetaData> bindings = bindingsPerComponent.get(binding.getEjbName());
            if (bindings == null) {
                bindingsPerComponent.put(binding.getEjbName(), bindings = new ArrayList<InterceptorBindingMetaData>());
            }
            bindings.add(binding);
        }
    }
    final List<InterceptorDescription> defaultInterceptors = new ArrayList<InterceptorDescription>();
    for (InterceptorBindingMetaData binding : defaultInterceptorBindings) {
        if (binding.getInterceptorClasses() != null) {
            for (final String clazz : binding.getInterceptorClasses()) {
                //we only want default interceptors referenced in the interceptors section
                if (interceptorClasses.contains(clazz)) {
                    defaultInterceptors.add(new InterceptorDescription(clazz));
                } else {
                    ROOT_LOGGER.defaultInterceptorClassNotListed(clazz);
                }
            }
        }
    }
    //we iterate over all components, as we need to process default interceptors
    for (final ComponentDescription componentDescription : eeModuleDescription.getComponentDescriptions()) {
        final Class<?> componentClass;
        try {
            componentClass = module.getClassLoader().loadClass(componentDescription.getComponentClassName());
        } catch (ClassNotFoundException e) {
            throw EjbLogger.ROOT_LOGGER.failToLoadComponentClass(e, componentDescription.getComponentClassName());
        }
        final List<InterceptorBindingMetaData> bindings = bindingsPerComponent.get(componentDescription.getComponentName());
        final Map<Method, List<InterceptorBindingMetaData>> methodInterceptors = new HashMap<Method, List<InterceptorBindingMetaData>>();
        final List<InterceptorBindingMetaData> classLevelBindings = new ArrayList<InterceptorBindingMetaData>();
        //we only want to exclude default and class level interceptors if every binding
        //has the exclude element.
        boolean classLevelExcludeDefaultInterceptors = false;
        Map<Method, Boolean> methodLevelExcludeDefaultInterceptors = new HashMap<Method, Boolean>();
        Map<Method, Boolean> methodLevelExcludeClassInterceptors = new HashMap<Method, Boolean>();
        //if an absolute order has been defined at any level
        //absolute ordering takes precedence
        boolean classLevelAbsoluteOrder = false;
        final Map<Method, Boolean> methodLevelAbsoluteOrder = new HashMap<Method, Boolean>();
        if (bindings != null) {
            for (final InterceptorBindingMetaData binding : bindings) {
                if (binding.getMethod() == null) {
                    classLevelBindings.add(binding);
                    //if even one binding does not say exclude default then we do not exclude
                    if (binding.isExcludeDefaultInterceptors()) {
                        classLevelExcludeDefaultInterceptors = true;
                    }
                    if (binding.isTotalOrdering()) {
                        if (classLevelAbsoluteOrder) {
                            throw EjbLogger.ROOT_LOGGER.twoEjbBindingsSpecifyAbsoluteOrder(componentClass.toString());
                        } else {
                            classLevelAbsoluteOrder = true;
                        }
                    }
                } else {
                    //method level bindings
                    //first find the right method
                    final NamedMethodMetaData methodData = binding.getMethod();
                    final ClassReflectionIndex classIndex = index.getClassIndex(componentClass);
                    Method resolvedMethod = null;
                    if (methodData.getMethodParams() == null) {
                        final Collection<Method> methods = classIndex.getAllMethods(methodData.getMethodName());
                        if (methods.isEmpty()) {
                            throw EjbLogger.ROOT_LOGGER.failToFindMethodInEjbJarXml(componentClass.getName(), methodData.getMethodName());
                        } else if (methods.size() > 1) {
                            throw EjbLogger.ROOT_LOGGER.multipleMethodReferencedInEjbJarXml(methodData.getMethodName(), componentClass.getName());
                        }
                        resolvedMethod = methods.iterator().next();
                    } else {
                        final Collection<Method> methods = classIndex.getAllMethods(methodData.getMethodName(), methodData.getMethodParams().size());
                        for (final Method method : methods) {
                            boolean match = true;
                            for (int i = 0; i < method.getParameterTypes().length; ++i) {
                                if (!method.getParameterTypes()[i].getName().equals(methodData.getMethodParams().get(i))) {
                                    match = false;
                                    break;
                                }
                            }
                            if (match) {
                                resolvedMethod = method;
                                break;
                            }
                        }
                        if (resolvedMethod == null) {
                            throw EjbLogger.ROOT_LOGGER.failToFindMethodWithParameterTypes(componentClass.getName(), methodData.getMethodName(), methodData.getMethodParams());
                        }
                    }
                    List<InterceptorBindingMetaData> list = methodInterceptors.get(resolvedMethod);
                    if (list == null) {
                        methodInterceptors.put(resolvedMethod, list = new ArrayList<InterceptorBindingMetaData>());
                    }
                    list.add(binding);
                    if (binding.isExcludeDefaultInterceptors()) {
                        methodLevelExcludeDefaultInterceptors.put(resolvedMethod, true);
                    }
                    if (binding.isExcludeClassInterceptors()) {
                        methodLevelExcludeClassInterceptors.put(resolvedMethod, true);
                    }
                    if (binding.isTotalOrdering()) {
                        if (methodLevelAbsoluteOrder.containsKey(resolvedMethod)) {
                            throw EjbLogger.ROOT_LOGGER.twoEjbBindingsSpecifyAbsoluteOrder(resolvedMethod.toString());
                        } else {
                            methodLevelAbsoluteOrder.put(resolvedMethod, true);
                        }
                    }
                }
            }
        }
        //now we have all the bindings in a format we can use
        //build the list of default interceptors
        componentDescription.setDefaultInterceptors(defaultInterceptors);
        if (classLevelExcludeDefaultInterceptors) {
            componentDescription.setExcludeDefaultInterceptors(true);
        }
        final List<InterceptorDescription> classLevelInterceptors = new ArrayList<InterceptorDescription>();
        if (classLevelAbsoluteOrder) {
            //we have an absolute ordering for the class level interceptors
            for (final InterceptorBindingMetaData binding : classLevelBindings) {
                if (binding.isTotalOrdering()) {
                    for (final String interceptor : binding.getInterceptorOrder()) {
                        classLevelInterceptors.add(new InterceptorDescription(interceptor));
                    }
                }
            }
            //we have merged the default interceptors into the class interceptors
            componentDescription.setExcludeDefaultInterceptors(true);
        } else {
            //the order we want is default interceptors (this will be empty if they are excluded)
            //the annotation interceptors
            //then dd interceptors
            classLevelInterceptors.addAll(componentDescription.getClassInterceptors());
            for (InterceptorBindingMetaData binding : classLevelBindings) {
                if (binding.getInterceptorClasses() != null) {
                    for (final String interceptor : binding.getInterceptorClasses()) {
                        classLevelInterceptors.add(new InterceptorDescription(interceptor));
                    }
                }
            }
        }
        componentDescription.setClassInterceptors(classLevelInterceptors);
        for (Map.Entry<Method, List<InterceptorBindingMetaData>> entry : methodInterceptors.entrySet()) {
            final Method method = entry.getKey();
            final List<InterceptorBindingMetaData> methodBindings = entry.getValue();
            boolean totalOrder = methodLevelAbsoluteOrder.containsKey(method);
            final MethodIdentifier methodIdentifier = MethodIdentifier.getIdentifierForMethod(method);
            Boolean excludeDefaultInterceptors = methodLevelExcludeDefaultInterceptors.get(method);
            excludeDefaultInterceptors = excludeDefaultInterceptors == null ? false : excludeDefaultInterceptors;
            if (!excludeDefaultInterceptors) {
                excludeDefaultInterceptors = componentDescription.isExcludeDefaultInterceptors() || componentDescription.isExcludeDefaultInterceptors(methodIdentifier);
            }
            Boolean excludeClassInterceptors = methodLevelExcludeClassInterceptors.get(method);
            excludeClassInterceptors = excludeClassInterceptors == null ? false : excludeClassInterceptors;
            if (!excludeClassInterceptors) {
                excludeClassInterceptors = componentDescription.isExcludeClassInterceptors(methodIdentifier);
            }
            final List<InterceptorDescription> methodLevelInterceptors = new ArrayList<InterceptorDescription>();
            if (totalOrder) {
                //if there is a total order we just use it
                for (final InterceptorBindingMetaData binding : methodBindings) {
                    if (binding.isTotalOrdering()) {
                        for (final String interceptor : binding.getInterceptorOrder()) {
                            methodLevelInterceptors.add(new InterceptorDescription(interceptor));
                        }
                    }
                }
            } else {
                //class level interceptors also includes default interceptors
                if (!excludeDefaultInterceptors) {
                    methodLevelInterceptors.addAll(defaultInterceptors);
                }
                if (!excludeClassInterceptors) {
                    for (InterceptorDescription interceptor : classLevelInterceptors) {
                        methodLevelInterceptors.add(interceptor);
                    }
                }
                List<InterceptorDescription> annotationMethodLevel = componentDescription.getMethodInterceptors().get(methodIdentifier);
                if (annotationMethodLevel != null) {
                    methodLevelInterceptors.addAll(annotationMethodLevel);
                }
                //now add all the interceptors from the bindings
                for (InterceptorBindingMetaData binding : methodBindings) {
                    if (binding.getInterceptorClasses() != null) {
                        for (final String interceptor : binding.getInterceptorClasses()) {
                            methodLevelInterceptors.add(new InterceptorDescription(interceptor));
                        }
                    }
                }
            }
            //we have already taken component and default interceptors into account
            componentDescription.excludeClassInterceptors(methodIdentifier);
            componentDescription.excludeDefaultInterceptors(methodIdentifier);
            componentDescription.setMethodInterceptors(methodIdentifier, methodLevelInterceptors);
        }
    }
}