diff options
Diffstat (limited to 'java/sca/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ReferenceAnnotationProcessor.java')
| -rw-r--r-- | java/sca/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ReferenceAnnotationProcessor.java | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/java/sca/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ReferenceAnnotationProcessor.java b/java/sca/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ReferenceAnnotationProcessor.java deleted file mode 100644 index dd43d63d97..0000000000 --- a/java/sca/modules/implementation-spring-sca/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ReferenceAnnotationProcessor.java +++ /dev/null @@ -1,164 +0,0 @@ -/* - * 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.beans.PropertyDescriptor; -import java.lang.annotation.Annotation; -import java.lang.reflect.Field; -import java.lang.reflect.Method; -import java.lang.reflect.Modifier; - -import org.oasisopen.sca.annotation.Reference; -import org.springframework.beans.BeanUtils; -import org.springframework.beans.BeansException; -import org.springframework.beans.FatalBeanException; -import org.springframework.beans.factory.config.BeanPostProcessor; -import org.springframework.util.Assert; -import org.springframework.util.ReflectionUtils; - -public class ReferenceAnnotationProcessor implements BeanPostProcessor { - - private Class<? extends Annotation> referenceAnnotationType = Reference.class; - private ComponentStub component; - - public ReferenceAnnotationProcessor (ComponentStub component) { - this.component = component; - } - - /** - * Gets referece annotation type. - */ - protected Class<? extends Annotation> getReferenceAnnotationType() { - return this.referenceAnnotationType; - } - - /** - * Sets referece annotation type. - */ - public void setReferenceAnnotationType(Class<? extends Annotation> referenceAnnotationType) { - Assert.notNull(referenceAnnotationType, "'referenceAnnotationType' type must not be null."); - this.referenceAnnotationType = referenceAnnotationType; - } - - /** - * 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 { - processAnnotation(bean); - 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; - } - - /** - * <p>Processes a beans fields for injection if it has a {@link Reference} annotation.</p> - */ - protected void processAnnotation(final Object bean) { - - final Class<?> clazz = bean.getClass(); - - ReflectionUtils.doWithMethods(clazz, new ReflectionUtils.MethodCallback() { - public void doWith(Method method) { - - Reference annotation = (Reference) method.getAnnotation(getReferenceAnnotationType()); - - if (annotation != null) { - if (Modifier.isStatic(method.getModifiers())) { - throw new IllegalStateException("Reference annotation is not supported on static methods"); - } - - if (Modifier.isPrivate(method.getModifiers())) { - throw new IllegalStateException("Reference annotation is not supported on private methods"); - } - - if (method.getParameterTypes().length == 0) { - throw new IllegalStateException("Reference annotation requires at least one argument: " + method); - } - - PropertyDescriptor pd = BeanUtils.findPropertyForMethod(method); - if (pd != null) { - String refName = annotation.name(); - if ("".equals(refName)) { - injectReference(bean, pd, pd.getName()); - } else { - injectReference(bean, pd, refName); - } - } - } - } - }); - - ReflectionUtils.doWithFields(clazz, new ReflectionUtils.FieldCallback() { - public void doWith(Field field) { - - Reference annotation = (Reference) field.getAnnotation(getReferenceAnnotationType()); - - if (annotation != null) { - if (Modifier.isStatic(field.getModifiers())) { - throw new IllegalStateException("Reference annotation is not supported on static fields"); - } - - if (Modifier.isPrivate(field.getModifiers())) { - throw new IllegalStateException("Reference annotation is not supported on private fields"); - } - - ReflectionUtils.makeAccessible(field); - - Object referenceObj = null; - String refName = annotation.name(); - if ("".equals(refName)) { - referenceObj = component.getService(field.getType(), field.getName()); - } else { - referenceObj = component.getService(field.getType(), refName); - } - - if (referenceObj != null) - ReflectionUtils.setField(field, bean, referenceObj); - } - } - }); - } - - /** - * Processes a property descriptor to inject a service. - */ - public void injectReference(Object bean, PropertyDescriptor pd, String name) { - - Object referenceObj = component.getService(pd.getPropertyType(), name); - - if (referenceObj != null) { - try { - pd.getWriteMethod().invoke(bean, new Object[] { referenceObj }); - } catch (Throwable e) { - throw new FatalBeanException("Problem injecting reference: " + e.getMessage(), e); - } - } - } -} |