| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.webbeans.config; |
| |
| import static org.apache.webbeans.util.InjectionExceptionUtil.throwUnproxyableResolutionException; |
| |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Modifier; |
| import java.util.Set; |
| |
| import javax.enterprise.inject.Disposes; |
| import javax.enterprise.inject.spi.Bean; |
| import javax.enterprise.inject.spi.Decorator; |
| import javax.enterprise.inject.spi.InjectionPoint; |
| import javax.enterprise.inject.spi.Interceptor; |
| import javax.enterprise.inject.spi.PassivationCapable; |
| |
| import org.apache.webbeans.component.OwbBean; |
| import org.apache.webbeans.component.ProducerMethodBean; |
| import org.apache.webbeans.exception.WebBeansConfigurationException; |
| import org.apache.webbeans.exception.helper.ViolationMessageBuilder; |
| import org.apache.webbeans.intercept.InterceptorResolutionService.BeanInterceptorInfo; |
| import org.apache.webbeans.portable.InjectionTargetImpl; |
| import org.apache.webbeans.util.SecurityUtil; |
| |
| public class DeploymentValidationService |
| { |
| |
| private WebBeansContext webBeansContext; |
| |
| public DeploymentValidationService(WebBeansContext webBeansContext) |
| { |
| this.webBeansContext = webBeansContext; |
| } |
| |
| /** |
| * Checks the unproxyable condition. |
| * @throws org.apache.webbeans.exception.WebBeansConfigurationException if bean is not proxied by the container |
| */ |
| public void validateProxyable(OwbBean<?> bean) |
| { |
| // Unproxyable test for NormalScoped beans |
| if (webBeansContext.getBeanManagerImpl().isNormalScope(bean.getScope())) |
| { |
| ViolationMessageBuilder violationMessage = ViolationMessageBuilder.newViolation(); |
| |
| Class<?> beanClass = bean.getReturnType(); |
| |
| if(!beanClass.isInterface() && beanClass != Object.class) |
| { |
| if(beanClass.isPrimitive()) |
| { |
| violationMessage.addLine("It isn't possible to proxy a primitive type (" + beanClass.getName(), ")"); |
| } |
| |
| if(beanClass.isArray()) |
| { |
| violationMessage.addLine("It isn't possible to proxy an array type (", beanClass.getName(), ")"); |
| } |
| |
| if(!violationMessage.containsViolation()) |
| { |
| if (Modifier.isFinal(beanClass.getModifiers())) |
| { |
| violationMessage.addLine(beanClass.getName(), " is a final class! CDI doesn't allow to proxy that."); |
| } |
| |
| String finalMethodName = hasNonPrivateFinalMethod(beanClass); |
| if (finalMethodName != null) |
| { |
| violationMessage.addLine(beanClass.getName(), " has final method "+ finalMethodName + " CDI doesn't allow to proxy that."); |
| } |
| |
| |
| Constructor<?> cons = webBeansContext.getWebBeansUtil().getNoArgConstructor(beanClass); |
| if (cons == null) |
| { |
| violationMessage.addLine(beanClass.getName(), " has no explicit no-arg constructor!", |
| "A public or protected constructor without args is required!"); |
| } |
| else if (Modifier.isPrivate(cons.getModifiers())) |
| { |
| violationMessage.addLine(beanClass.getName(), " has a >private< no-arg constructor! CDI doesn't allow to proxy that."); |
| } |
| } |
| |
| //Throw Exception |
| if(violationMessage.containsViolation()) |
| { |
| throwUnproxyableResolutionException(violationMessage); |
| } |
| } |
| } |
| } |
| |
| /** |
| * check if the given class has any non-private, non-static final method |
| * @return the method name or <code>null</code> if there is no such method. |
| */ |
| private String hasNonPrivateFinalMethod(Class<?> beanClass) |
| { |
| if (beanClass == Object.class) |
| { |
| return null; |
| } |
| |
| // we also need to check the methods of the parent classes |
| String finalMethodName = hasNonPrivateFinalMethod(beanClass.getSuperclass()); |
| if (finalMethodName != null) |
| { |
| return finalMethodName; |
| } |
| |
| Method[] methods = SecurityUtil.doPrivilegedGetDeclaredMethods(beanClass); |
| for (Method m : methods) |
| { |
| int modifiers = m.getModifiers(); |
| if (Modifier.isFinal(modifiers) && !Modifier.isPrivate(modifiers) && !Modifier.isStatic(modifiers) && |
| !m.isSynthetic() && !m.isBridge()) |
| { |
| return m.getName(); |
| } |
| } |
| |
| return null; |
| } |
| |
| /** |
| * If bean is passivation capable, it validate all of its dependencies. |
| * @throws org.apache.webbeans.exception.WebBeansConfigurationException if not satisfy passivation dependencies |
| */ |
| public <T> void validatePassivationCapable(OwbBean<T> bean) |
| { |
| if (isPassivationCapable(bean)) |
| { |
| if (!(bean instanceof ProducerMethodBean)) |
| { |
| validatePassivationCapableDependencies(bean, bean.getInjectionPoints()); |
| } |
| if (bean.getProducer() instanceof InjectionTargetImpl) |
| { |
| InjectionTargetImpl<T> injectionTarget = (InjectionTargetImpl<T>)bean.getProducer(); |
| BeanInterceptorInfo interceptorInfo = injectionTarget.getInterceptorInfo(); |
| if (interceptorInfo != null) |
| { |
| for (Interceptor<?> ejbInterceptor: interceptorInfo.getEjbInterceptors()) |
| { |
| validatePassivationCapableDependency(bean, ejbInterceptor); |
| } |
| for (Interceptor<?> cdiInterceptor: interceptorInfo.getCdiInterceptors()) |
| { |
| validatePassivationCapableDependency(bean, cdiInterceptor); |
| } |
| for (Decorator<?> decorators: interceptorInfo.getDecorators()) |
| { |
| validatePassivationCapableDependency(bean, decorators); |
| } |
| } |
| } |
| } |
| } |
| |
| private <T> void validatePassivationCapableDependency(Bean<T> bean, Bean<?> dependentBean) |
| { |
| if (!isPassivationCapable(dependentBean)) |
| { |
| String type = dependentBean instanceof Interceptor? "Interceptor ": "Decorator "; |
| throw new WebBeansConfigurationException( |
| "Passivation capable beans must satisfy passivation capable dependencies. " + |
| "Bean : " + bean.toString() + " does not satisfy. " + type + dependentBean.toString() + " is not passivation capable"); |
| } |
| validatePassivationCapableDependencies(bean, dependentBean.getInjectionPoints()); |
| } |
| |
| private <T> void validatePassivationCapableDependencies(Bean<T> bean, Set<InjectionPoint> injectionPoints) |
| { |
| for (InjectionPoint injectionPoint: injectionPoints) |
| { |
| if(!injectionPoint.isTransient()) |
| { |
| if(!webBeansContext.getWebBeansUtil().isPassivationCapableDependency(injectionPoint)) |
| { |
| if(injectionPoint.getAnnotated().isAnnotationPresent(Disposes.class)) |
| { |
| continue; |
| } |
| throw new WebBeansConfigurationException( |
| "Passivation capable beans must satisfy passivation capable dependencies. " + |
| "Bean : " + bean.toString() + " does not satisfy. Details about the Injection-point: " + |
| injectionPoint.toString()); |
| } |
| } |
| } |
| } |
| |
| private boolean isPassivationCapable(Bean<?> bean) |
| { |
| return bean instanceof OwbBean? ((OwbBean<?>)bean).isPassivationCapable(): bean instanceof PassivationCapable; |
| } |
| } |