2 * Copyright 2005 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;
18 import org.springframework.beans.BeansException;
19 import org.springframework.beans.factory.access.BeanFactoryLocator;
20 import org.springframework.beans.factory.access.BeanFactoryReference;
21 import org.springframework.context.access.ContextSingletonBeanFactoryLocator;
24 * Bean factory which uses Spring. This bean factory cannot be configured
25 * directly in the {@link org.wamblee.general.BeanKernel} because it does not
26 * provide a default no-arg constructor. Therefore, it must be delegated to or
27 * it must tbe subclassed to provide a default constructor.
29 public class SpringBeanFactory implements BeanFactory {
31 private BeanFactoryReference _factoryReference;
34 * Constructs the bean factory.
37 * Selector to find the appropriate bean ref context.
39 * Spring bean factory to use.
41 public SpringBeanFactory(String aSelector, String aFactoryName) {
43 BeanFactoryLocator locator = ContextSingletonBeanFactoryLocator
44 .getInstance(aSelector);
45 _factoryReference = locator.useBeanFactory(aFactoryName);
46 } catch (BeansException e) {
47 throw new BeanFactoryException(
48 "Could not load bean factory: selector = '" + aSelector
49 + "', factory = '" + aFactoryName + "'", e);
56 * @see org.wamblee.general.BeanFactory#find(java.lang.String)
58 public Object find(String aId) {
59 return find(aId, Object.class);
65 * @see org.wamblee.general.BeanFactory#find(java.lang.Class)
67 public <T> T find(Class<T> aClass) {
68 return find(aClass.getName(), aClass);
74 * @see org.wamblee.general.BeanFactory#find(java.lang.String,
77 public <T> T find(String aId, Class<T> aClass) {
79 Object obj = _factoryReference.getFactory().getBean(aId, aClass);
81 return aClass.cast(obj);
82 } catch (BeansException e) {
83 throw new BeanFactoryException(e.getMessage(), e);