2 * Copyright 2005-2010 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.general.spring;
18 import org.springframework.beans.BeansException;
19 import org.springframework.beans.factory.access.BeanFactoryLocator;
20 import org.springframework.beans.factory.access.BeanFactoryReference;
22 import org.springframework.context.access.ContextSingletonBeanFactoryLocator;
24 import org.wamblee.general.BeanFactory;
25 import org.wamblee.general.BeanFactoryException;
26 import org.wamblee.general.BeanKernel;
29 * Bean factory which uses Spring. This bean factory cannot be configured
30 * directly in the {@link org.wamblee.general.BeanKernel} because it does not
31 * provide a default no-arg constructor. Therefore, it must be delegated to or
32 * it must tbe subclassed to provide a default constructor.
34 public class SpringBeanFactory implements BeanFactory {
35 private BeanFactoryReference factoryReference;
38 * Constructs the bean factory.
41 * Selector to find the appropriate bean ref context.
43 * Spring bean factory to use.
45 public SpringBeanFactory(String aSelector, String aFactoryName) {
47 BeanFactoryLocator locator = ContextSingletonBeanFactoryLocator
48 .getInstance(aSelector);
49 factoryReference = locator.useBeanFactory(aFactoryName);
50 } catch (BeansException e) {
51 throw new BeanFactoryException(
52 "Could not load bean factory: selector = '" + aSelector +
53 "', factory = '" + aFactoryName + "'", e);
60 * @see org.wamblee.general.BeanFactory#find(java.lang.String)
62 public Object find(String aId) {
63 return find(aId, Object.class);
69 * @see org.wamblee.general.BeanFactory#find(java.lang.Class)
71 public <T> T find(Class<T> aClass) {
72 return find(aClass.getName(), aClass);
78 * @see org.wamblee.general.BeanFactory#find(java.lang.String,
81 public <T> T find(String aId, Class<T> aClass) {
83 Object obj = factoryReference.getFactory().getBean(aId, aClass);
86 return aClass.cast(obj);
87 } catch (BeansException e) {
88 throw new BeanFactoryException(e.getMessage(), e);
93 * Gets the spring bean factory.
95 * @return Spring bean factory.
97 public org.springframework.beans.factory.BeanFactory getSpringBeanFactory() {
98 return factoryReference.getFactory();