diff options
Diffstat (limited to 'branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/processor')
5 files changed, 748 insertions, 0 deletions
diff --git a/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ComponentNameAnnotationProcessor.java b/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ComponentNameAnnotationProcessor.java new file mode 100644 index 0000000000..cd0567f461 --- /dev/null +++ b/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ComponentNameAnnotationProcessor.java @@ -0,0 +1,151 @@ +/*
+ * 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.reflect.Field;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.beans.PropertyDescriptor;
+import java.lang.annotation.Annotation;
+
+import org.springframework.util.Assert;
+import org.springframework.beans.BeanUtils;
+import org.springframework.util.ReflectionUtils;
+import org.springframework.beans.BeansException;
+import org.springframework.beans.FatalBeanException;
+import org.springframework.beans.factory.config.BeanPostProcessor;
+
+import org.osoa.sca.annotations.ComponentName;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+public class ComponentNameAnnotationProcessor implements BeanPostProcessor {
+
+ private Class<? extends Annotation> componentNameAnnotationType = ComponentName.class;
+
+ private RuntimeComponent component;
+
+ public ComponentNameAnnotationProcessor (RuntimeComponent component) {
+ this.component = component;
+ }
+
+ /**
+ * Gets componentName annotation type.
+ */
+ protected Class<? extends Annotation> getComponentNameAnnotationType() {
+ return this.componentNameAnnotationType;
+ }
+
+ /**
+ * Sets componentName annotation type.
+ */
+ public void setComponentNameAnnotationType(Class<? extends Annotation> componentNameAnnotationType) {
+ Assert.notNull(componentNameAnnotationType, "'componentNameAnnotationType' type must not be null.");
+ this.componentNameAnnotationType = componentNameAnnotationType;
+ }
+
+ /**
+ * 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.doWithFields(clazz, new ReflectionUtils.FieldCallback() {
+ public void doWith(Field field) {
+ Annotation annotation = field.getAnnotation(getComponentNameAnnotationType());
+
+ if (annotation != null) {
+ if (Modifier.isStatic(field.getModifiers())) {
+ throw new IllegalStateException("ComponentName annotation is not supported on static fields");
+ }
+
+ if (Modifier.isPrivate(field.getModifiers())) {
+ throw new IllegalStateException("ComponentName annotation is not supported on private fields");
+ }
+
+ ReflectionUtils.makeAccessible(field);
+
+ if (field.getType().getName().equals("java.lang.String")) {
+ Object nameObj = component.getName();
+ if (nameObj != null)
+ ReflectionUtils.setField(field, bean, nameObj);
+ } else {
+ throw new IllegalStateException("ComponentName annotation is supported only on java.lang.String field type.");
+ }
+ }
+ }
+ });
+
+ ReflectionUtils.doWithMethods(clazz, new ReflectionUtils.MethodCallback() {
+ public void doWith(Method method) {
+ Annotation annotation = method.getAnnotation(getComponentNameAnnotationType());
+
+ if (annotation != null) {
+ if (Modifier.isStatic(method.getModifiers())) {
+ throw new IllegalStateException("ComponentName annotation is not supported on static methods");
+ }
+
+ if (Modifier.isPrivate(method.getModifiers())) {
+ throw new IllegalStateException("ComponentName annotation is not supported on private methods");
+ }
+
+ if (method.getParameterTypes().length == 0) {
+ throw new IllegalStateException("ComponentName annotation requires at least one argument: " + method);
+ }
+
+ PropertyDescriptor pd = BeanUtils.findPropertyForMethod(method);
+
+ if (pd.getPropertyType().getName().equals("java.lang.String")) {
+ Object nameObj = component.getName();
+ if (nameObj != null) {
+ try {
+ pd.getWriteMethod().invoke(bean, new Object[] { nameObj });
+ } catch (Throwable e) {
+ throw new FatalBeanException("Problem injecting reference: " + e.getMessage(), e);
+ }
+ }
+ } else {
+ throw new IllegalStateException("ComponentName annotation is supported only on java.lang.String field type.");
+ }
+ }
+ }
+ });
+ }
+}
diff --git a/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ConstructorAnnotationProcessor.java b/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ConstructorAnnotationProcessor.java new file mode 100644 index 0000000000..4dadf37189 --- /dev/null +++ b/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ConstructorAnnotationProcessor.java @@ -0,0 +1,119 @@ +/*
+ * 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.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.lang.reflect.Constructor;
+import java.lang.annotation.Annotation;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.springframework.util.Assert;
+import org.springframework.beans.BeansException;
+import org.springframework.beans.factory.config.InstantiationAwareBeanPostProcessorAdapter;
+import org.springframework.beans.factory.annotation.Autowired;
+
+public class ConstructorAnnotationProcessor extends InstantiationAwareBeanPostProcessorAdapter {
+
+ private Class<? extends Annotation> constructorAnnotationType
+ = org.osoa.sca.annotations.Constructor.class;
+
+ private Class<? extends Annotation> 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<? extends Annotation> autowiredAnnotationType) {
+ Assert.notNull(autowiredAnnotationType, "'autowiredAnnotationType' must not be null");
+ this.autowiredAnnotationType = autowiredAnnotationType;
+ }
+
+ /**
+ * Return the 'autowired' annotation type.
+ */
+ protected Class<? extends Annotation> getAutowiredAnnotationType() {
+ return this.autowiredAnnotationType;
+ }
+
+ /**
+ * Return the 'constructor' annotation type.
+ */
+ protected Class<? extends Annotation> getConstructorAnnotationType() {
+ return this.constructorAnnotationType;
+ }
+
+ /**
+ * Sets the 'constructor' annotation type.
+ */
+ public void setConstructorAnnotationType(Class<? extends Annotation> 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;
+ }
+}
diff --git a/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/InitDestroyAnnotationProcessor.java b/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/InitDestroyAnnotationProcessor.java new file mode 100644 index 0000000000..44737bf9d1 --- /dev/null +++ b/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/InitDestroyAnnotationProcessor.java @@ -0,0 +1,72 @@ +/*
+ * 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 org.osoa.sca.annotations.Init;
+import org.osoa.sca.annotations.Destroy;
+import org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor;
+import org.springframework.util.Assert;
+
+public class InitDestroyAnnotationProcessor extends InitDestroyAnnotationBeanPostProcessor {
+
+ private static final long serialVersionUID = 0;
+
+ private Class<? extends Annotation> initAnnotationType = Init.class;
+
+ private Class<? extends Annotation> destroyAnnotationType = Destroy.class;
+
+ /**
+ * Gets init annotation type.
+ */
+ protected Class<? extends Annotation> getInitAnnotationType() {
+ return this.initAnnotationType;
+ }
+
+ /**
+ * Sets init annotation type.
+ */
+ /*public void setInitAnnotationType(Class<? extends Annotation> initAnnotationType) {
+ Assert.notNull(initAnnotationType, "Init annotation type must not be null.");
+ this.initAnnotationType = initAnnotationType;
+ }*/
+
+ /**
+ * Gets destroy annotation type.
+ */
+ protected Class<? extends Annotation> getDestroyAnnotationType() {
+ return this.destroyAnnotationType;
+ }
+
+ /**
+ * Sets destroy annotation type.
+ */
+ /*public void setDestroyAnnotationType(Class<? extends Annotation> destroyAnnotationType) {
+ Assert.notNull(destroyAnnotationType, "Destroy annotation type must not be null.");
+ this.destroyAnnotationType = destroyAnnotationType;
+ }*/
+
+ public InitDestroyAnnotationProcessor () {
+ // Set the @Init annotation type
+ setInitAnnotationType(initAnnotationType);
+
+ // Set the @Destroy annotation type
+ setDestroyAnnotationType(destroyAnnotationType);
+ }
+}
diff --git a/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/PropertyAnnotationProcessor.java b/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/PropertyAnnotationProcessor.java new file mode 100644 index 0000000000..d8755c58f4 --- /dev/null +++ b/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/PropertyAnnotationProcessor.java @@ -0,0 +1,220 @@ +/*
+ * 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.reflect.Field;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.beans.PropertyDescriptor;
+import java.lang.annotation.Annotation;
+import java.util.List;
+
+import org.springframework.util.Assert;
+import org.springframework.beans.BeanUtils;
+import org.springframework.util.ReflectionUtils;
+import org.springframework.beans.BeansException;
+import org.springframework.beans.FatalBeanException;
+import org.springframework.beans.factory.config.BeanPostProcessor;
+
+import org.osoa.sca.annotations.Property;
+import org.apache.tuscany.sca.assembly.ComponentProperty;
+import org.apache.tuscany.sca.core.factory.ObjectFactory;
+import org.apache.tuscany.sca.implementation.java.injection.JavaPropertyValueObjectFactory;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+public class PropertyAnnotationProcessor implements BeanPostProcessor {
+
+ private Class<? extends Annotation> propertyAnnotationType = Property.class;
+
+ private RuntimeComponent component;
+
+ private JavaPropertyValueObjectFactory propertyFactory;
+
+ public PropertyAnnotationProcessor (JavaPropertyValueObjectFactory propertyFactory,
+ RuntimeComponent component) {
+ this.propertyFactory = propertyFactory;
+ this.component = component;
+ }
+
+ /**
+ * Gets property annotation type.
+ */
+ protected Class<? extends Annotation> getPropertyAnnotationType() {
+ return this.propertyAnnotationType;
+ }
+
+ /**
+ * Sets property annotation type.
+ */
+ public void setPropertyAnnotationType(Class<? extends Annotation> propertyAnnotationType) {
+ Assert.notNull(propertyAnnotationType, "'propertyAnnotationType' type must not be null.");
+ this.propertyAnnotationType = propertyAnnotationType;
+ }
+
+ /**
+ * 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 Property} annotation.</p>
+ */
+ protected void processAnnotation(final Object bean) {
+
+ final Class<?> clazz = bean.getClass();
+
+ ReflectionUtils.doWithMethods(clazz, new ReflectionUtils.MethodCallback() {
+ public void doWith(Method method) {
+ //Annotation annotation = method.getAnnotation(getPropertyAnnotationType());
+ Property annotation = (Property) method.getAnnotation(getPropertyAnnotationType());
+
+ if (annotation != null) {
+ if (Modifier.isStatic(method.getModifiers())) {
+ throw new IllegalStateException("Property annotation is not supported on static methods");
+ }
+
+ if (Modifier.isPrivate(method.getModifiers())) {
+ throw new IllegalStateException("Property annotation is not supported on private methods");
+ }
+
+ if (method.getParameterTypes().length == 0) {
+ throw new IllegalStateException("Property annotation requires at least one argument: " + method);
+ }
+
+ PropertyDescriptor pd = BeanUtils.findPropertyForMethod(method);
+ if (pd != null) {
+ String propName = annotation.name();
+ if ("".equals(propName)) {
+ injectProperty(bean, pd, getPropertyObj(pd.getPropertyType(), pd.getName()));
+ } else {
+ injectProperty(bean, pd, getPropertyObj(pd.getPropertyType(), propName));
+ }
+ }
+ }
+ }
+ });
+
+ ReflectionUtils.doWithFields(clazz, new ReflectionUtils.FieldCallback() {
+ public void doWith(Field field) {
+ //Annotation annotation = field.getAnnotation(getPropertyAnnotationType());
+ Property annotation = (Property) field.getAnnotation(getPropertyAnnotationType());
+
+ if (annotation != null) {
+ if (Modifier.isStatic(field.getModifiers())) {
+ throw new IllegalStateException("Property annotation is not supported on static fields");
+ }
+
+ if (Modifier.isPrivate(field.getModifiers())) {
+ throw new IllegalStateException("Property annotation is not supported on private fields");
+ }
+
+ ReflectionUtils.makeAccessible(field);
+
+ Object propertyObj = null;
+ String propName = annotation.name();
+ if ("".equals(propName)) {
+ propertyObj = getPropertyObj(field.getType(), field.getName());
+ } else {
+ propertyObj = getPropertyObj(field.getType(), propName);
+ }
+
+ if (propertyObj != null)
+ ReflectionUtils.setField(field, bean, propertyObj);
+ }
+ }
+ });
+ }
+
+ /**
+ * Processes a property descriptor to inject a service.
+ */
+ public Object getPropertyObj(Class requiredType, String name) {
+
+ Object propertyObj = null;
+
+ List<ComponentProperty> props = component.getProperties();
+ for (ComponentProperty prop : props) {
+ if (prop.getName().equals(name)) {
+ // On finding the property, create a factory for it and create a Bean using
+ // the factory
+ ObjectFactory factory = propertyFactory.createValueFactory(prop, prop.getValue(), requiredType);
+ propertyObj = factory.getInstance();
+ } // end if
+ } // end for
+
+ return propertyObj;
+ }
+
+
+ public void injectProperty(Object bean, PropertyDescriptor pd, Object propertyObj) {
+
+ if (propertyObj != null) {
+ try {
+ pd.getWriteMethod().invoke(bean, new Object[] { propertyObj });
+ } catch (Throwable e) {
+ throw new FatalBeanException("Problem injecting property: " + e.getMessage(), e);
+ }
+ }
+ }
+
+ /**
+ * Processes a property descriptor to inject a service.
+ */
+ /*public void injectMethod(Object bean, Method method) {
+ PropertyDescriptor pd = BeanUtils.findPropertyForMethod(method);
+
+ if (pd != null) {
+ Object propertyObj = null;
+
+ List<ComponentProperty> props = component.getProperties();
+ for (ComponentProperty prop : props) {
+ if (prop.getName().equals(pd.getName())) {
+ // On finding the property, create a factory for it and create a Bean using
+ // the factory
+ ObjectFactory factory = propertyFactory.createValueFactory(prop, prop.getValue(), pd.getPropertyType());
+ propertyObj = factory.getInstance();
+ } // end if
+ } // end for
+
+ if (propertyObj != null) {
+ try {
+ pd.getWriteMethod().invoke(bean, new Object[] { propertyObj });
+ } catch (Throwable e) {
+ throw new FatalBeanException("Problem injecting property: " + e.getMessage(), e);
+ }
+ }
+ }
+ }*/
+}
diff --git a/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ReferenceAnnotationProcessor.java b/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ReferenceAnnotationProcessor.java new file mode 100644 index 0000000000..52f8ac3684 --- /dev/null +++ b/branches/sca-java-1.5/modules/implementation-spring-old/src/main/java/org/apache/tuscany/sca/implementation/spring/processor/ReferenceAnnotationProcessor.java @@ -0,0 +1,186 @@ +/*
+ * 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.reflect.Field;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.beans.PropertyDescriptor;
+import java.lang.annotation.Annotation;
+
+import org.springframework.util.Assert;
+import org.springframework.beans.BeanUtils;
+import org.springframework.util.ReflectionUtils;
+import org.springframework.beans.BeansException;
+import org.springframework.beans.FatalBeanException;
+import org.springframework.beans.factory.config.BeanPostProcessor;
+
+import org.osoa.sca.annotations.Reference;
+import org.apache.tuscany.sca.runtime.RuntimeComponent;
+
+public class ReferenceAnnotationProcessor implements BeanPostProcessor {
+
+ private Class<? extends Annotation> referenceAnnotationType = Reference.class;
+
+ private RuntimeComponent component;
+
+ public ReferenceAnnotationProcessor (RuntimeComponent 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) {
+ //Annotation annotation = method.getAnnotation(getReferenceAnnotationType());
+ 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) {
+ //Annotation annotation = field.getAnnotation(getReferenceAnnotationType());
+ 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.getComponentContext().getService(field.getType(), field.getName());
+ } else {
+ referenceObj = component.getComponentContext().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.getComponentContext().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);
+ }
+ }
+ }
+
+ /**
+ * Processes a property descriptor to inject a service.
+ */
+ /*public void injectMethod(Object bean, Method method) {
+ PropertyDescriptor pd = BeanUtils.findPropertyForMethod(method);
+
+ if (pd != null) {
+ Object referenceObj = component.getComponentContext().getService(pd.getPropertyType(), pd.getName());
+
+ if (referenceObj != null) {
+ try {
+ pd.getWriteMethod().invoke(bean, new Object[] { referenceObj });
+ } catch (Throwable e) {
+ throw new FatalBeanException("Problem injecting reference: " + e.getMessage(), e);
+ }
+ }
+ }
+ }*/
+}
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