From e5b7380c874745c989d1816b8f552504f038e1bc Mon Sep 17 00:00:00 2001 From: lresende Date: Thu, 26 Sep 2013 20:33:20 +0000 Subject: 2.0 branch for possible maintenance release git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1526672 13f79535-47bb-0310-9956-ffa450edef68 --- .../processor/ConstructorAnnotationProcessor.java | 112 +++++++++++++++++++++ 1 file changed, 112 insertions(+) create mode 100644 sca-java-2.x/branches/2.0/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ConstructorAnnotationProcessor.java (limited to 'sca-java-2.x/branches/2.0/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ConstructorAnnotationProcessor.java') diff --git a/sca-java-2.x/branches/2.0/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ConstructorAnnotationProcessor.java b/sca-java-2.x/branches/2.0/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ConstructorAnnotationProcessor.java new file mode 100644 index 0000000000..a52a85ff3a --- /dev/null +++ b/sca-java-2.x/branches/2.0/modules/implementation-spring-runtime/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ConstructorAnnotationProcessor.java @@ -0,0 +1,112 @@ +/* + * 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.tuscany.sca.implementation.spring.processor; + +import java.lang.annotation.Annotation; +import java.lang.reflect.Constructor; + +import org.springframework.beans.BeansException; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.beans.factory.config.InstantiationAwareBeanPostProcessorAdapter; +import org.springframework.util.Assert; + +public class ConstructorAnnotationProcessor extends InstantiationAwareBeanPostProcessorAdapter { + + private Class constructorAnnotationType = org.oasisopen.sca.annotation.Constructor.class; + + private Class autowiredAnnotationType = Autowired.class; + + public ConstructorAnnotationProcessor() { + // Default constructor. + } + + /** + * Set the 'autowired' annotation type, to be used on constructors, fields, + * setter methods and arbitrary config methods. + */ + public void setAutowiredAnnotationType(Class autowiredAnnotationType) { + Assert.notNull(autowiredAnnotationType, "'autowiredAnnotationType' must not be null"); + this.autowiredAnnotationType = autowiredAnnotationType; + } + + /** + * Return the 'autowired' annotation type. + */ + protected Class getAutowiredAnnotationType() { + return this.autowiredAnnotationType; + } + + /** + * Return the 'constructor' annotation type. + */ + protected Class getConstructorAnnotationType() { + return this.constructorAnnotationType; + } + + /** + * Sets the 'constructor' annotation type. + */ + public void setConstructorAnnotationType(Class constructorAnnotationType) { + Assert.notNull(constructorAnnotationType, "'constructorAnnotationType' type must not be null."); + this.constructorAnnotationType = constructorAnnotationType; + } + + /** + * This method is used to execute before a bean's initialization callback. + * + * @see org.springframework.beans.factory.config.BeanPostProcessor#postProcessBeforeInitialization(java.lang.Object, java.lang.String) + */ + public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException { + return bean; + } + + /** + * This method is used to execute after a bean's initialization callback. + * + * @see org.springframework.beans.factory.config.BeanPostProcessor#postProcessAfterInitialization(java.lang.Object, java.lang.String) + */ + public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException { + return bean; + } + + public Constructor[] determineCandidateConstructors(Class beanClass, String beanName) throws BeansException { + /*Constructor[] declaredConstructors = beanClass.getDeclaredConstructors(); + Method[] declaredMethods = beanClass.getDeclaredMethods(); + List candidates = new ArrayList(declaredConstructors.length); + + for (int i = 0; i < declaredMethods.length; i++) { + Method method = declaredMethods[i]; + Annotation annotation = method.getAnnotation(getConstructorAnnotationType()); + if (annotation != null) { + if (Modifier.isStatic(method.getModifiers())) { + throw new IllegalStateException("Constructor annotation is not supported on static methods"); + } + + if (candidates.size() == 1) { + throw new IllegalStateException("Only one method is allowed to have constructor annotation in a bean: " + method); + } + + candidates.add(method); + } + } + + return (Constructor[]) candidates.toArray(new Constructor[candidates.size()]);*/ + return null; + } +} -- cgit v1.2.3