org.jacpfx.spring.launcher.SpringXmlConfigLauncher Maven / Gradle / Ivy
/*
* **********************************************************************
*
* Copyright (C) 2010 - 2014
*
* [Component.java]
* JACPFX Project (https://github.com/JacpFX/JacpFX/)
* All rights reserved.
*
* Licensed 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.jacpfx.spring.launcher;
import org.jacpfx.api.fragment.Scope;
import org.jacpfx.api.launcher.Launcher;
import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.GenericBeanDefinition;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import java.util.concurrent.locks.ReentrantReadWriteLock;
/**
* The SpringLaucher class resolves the spring.xml file and handles access to
* beans
*
* @author Andy Moncsek
*
*/
public class SpringXmlConfigLauncher implements Launcher {
private final ClassPathXmlApplicationContext context;
private final ConfigurableListableBeanFactory factory;
private final String BASIC_CONFIG_BEANS = "basic.xml";
private ReentrantReadWriteLock lock = new ReentrantReadWriteLock();
public SpringXmlConfigLauncher(final String resource) {
this.context = new ClassPathXmlApplicationContext(new String[] {
resource, this.BASIC_CONFIG_BEANS });
this.factory = this.context.getBeanFactory();
}
@Override
public ClassPathXmlApplicationContext getContext() {
return this.context;
}
@Override
public P getBean(Class
clazz) {
lock.readLock().lock();
try {
return this.factory.getBean(clazz);
} finally {
lock.readLock().unlock();
}
}
@Override
public
P getBean(final String qualifier) {
lock.readLock().lock();
try {
return (P) this.factory.getBean(qualifier);
} finally {
lock.readLock().unlock();
}
}
private boolean contains(final String id) {
lock.readLock().lock();
try {
return this.factory.containsBean(id);
} finally {
lock.readLock().unlock();
}
}
@Override
public synchronized T registerAndGetBean(Class type,
final String id, final Scope scope) {
if (contains(id))
return getBean(id);
final AutowireCapableBeanFactory factory = getContext()
.getAutowireCapableBeanFactory();
final BeanDefinitionRegistry registry = (BeanDefinitionRegistry) factory;
final GenericBeanDefinition beanDefinition = new GenericBeanDefinition();
beanDefinition.setBeanClass(type);
if(scope!=null)beanDefinition.setScope(scope.getType());
beanDefinition.setAutowireCandidate(true);
registry.registerBeanDefinition(id, beanDefinition);
factory.autowireBeanProperties(this,
AutowireCapableBeanFactory.AUTOWIRE_BY_TYPE, false);
return getBean(id);
}
}