AuthenticationServiceRegistryImpl.java

/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * licenses this file to you 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 the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>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.jasig.portlet.emailpreview.service.auth;

import java.util.Collection;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

@Component
public class AuthenticationServiceRegistryImpl
    implements IAuthenticationServiceRegistry, ApplicationContextAware {

  private ApplicationContext applicationContext;

  @Override
  public IAuthenticationService getAuthenticationService(String key) {
    IAuthenticationService rslt = null; // default
    Collection<IAuthenticationService> services = getServices();
    for (IAuthenticationService auth : services) {
      // It's unfortunate that we have to loop this collection, but there
      // should be max 2-3 items in it
      if (auth.getKey().equalsIgnoreCase(key)) {
        rslt = auth;
        break;
      }
    }
    return rslt;
  }

  @Override
  public Collection<IAuthenticationService> getServices() {
    return applicationContext.getBeansOfType(IAuthenticationService.class).values();
  }

  @Override
  public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
    this.applicationContext = applicationContext;
  }
}