SpringProvider.java :  » Web-Framework » vraptor » org » vraptor » plugin » spring » Java Open Source

package org.vraptor.plugin.spring;

import org.springframework.context.ApplicationContext;
import org.vraptor.LogicRequest;
import org.vraptor.introspector.BeanProvider;

/**
 * A spring based introspector. It will look for beans in the spring application
 * context before trying to use its wrapped introspector.
 * 
 * @author Guilherme Silveira
 * @since 2.2.4
 */
public class SpringProvider implements BeanProvider {

  private final BeanProvider provider;

  private final ApplicationContext springContext;

  public SpringProvider(BeanProvider provider, ApplicationContext context) {
    this.provider = provider;
    this.springContext = context;
  }

  public Object findAttribute(LogicRequest context, String key) {
    if (springContext.containsBean(key)) {
      return springContext.getBean(key);
    }
    return provider.findAttribute(context, key);
  }

}