org.jacp.project.launcher.SpringLauncher.java Source code

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Here is the source code for org.jacp.project.launcher.SpringLauncher.java

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/************************************************************************
 * 
 * Copyright (C) 2010 - 2013
 *
 * [SpringLauncher.java]
 * AHCP Project (http://jacp.googlecode.com)
 * 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.jacp.project.launcher;

import org.jacp.api.dialog.Scope;
import org.jacp.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;

/**
 * The SpringLaucher class resolves the spring.xml file and handles access to
 * beans
 * 
 * @author Andy Moncsek
 * 
 */
public class SpringLauncher implements Launcher<ClassPathXmlApplicationContext> {
    private final ClassPathXmlApplicationContext context;
    private final ConfigurableListableBeanFactory factory;
    private final String BASIC_CONFIG_BEANS = "basic.xml";

    public SpringLauncher(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 synchronized <E> E getBean(final Class<E> clazz) {
        return this.factory.getBean(clazz);
    }

    @Override
    public synchronized <T> T registerAndGetBean(Class<? extends T> type, final String id, final Scope scope) {
        if (this.factory.containsBean(id))
            return getBean(type);
        final AutowireCapableBeanFactory factory = getContext().getAutowireCapableBeanFactory();
        final BeanDefinitionRegistry registry = (BeanDefinitionRegistry) factory;
        final GenericBeanDefinition beanDefinition = new GenericBeanDefinition();
        beanDefinition.setBeanClass(type);
        beanDefinition.setScope(scope.getType());
        beanDefinition.setAutowireCandidate(true);
        registry.registerBeanDefinition(id, beanDefinition);
        factory.autowireBeanProperties(this, AutowireCapableBeanFactory.AUTOWIRE_BY_TYPE, false);
        return getBean(type);
    }

}