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Messaging integrations tests for Osgiliath
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package net.osgiliath.messaging.repository.impl;

/*
 * #%L
 * net.osgiliath.hello.model.jpa
 * %%
 * Copyright (C) 2013 Osgiliath
 * %%
 * 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.
 * #L%
 */

import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.ObjectMessage;
import javax.jms.Session;

import lombok.Setter;
import lombok.extern.slf4j.Slf4j;
import net.osgiliath.messaging.HelloEntity;
import net.osgiliath.messaging.Hellos;
import net.osgiliath.messaging.repository.HelloRepository;

import org.springframework.jms.core.JmsOperations;
import org.springframework.jms.core.MessageCreator;

/**
 * JMS repository implementation for itests purpose.
 * 
 * @author charliemordant
 */
@Slf4j
public class HelloJMSRepository implements HelloRepository, MessageListener {
  /**
   * JMS producer.
   */
  @Setter
  private transient JmsOperations producer;

  /**
   * instances registry.
   */
  private final transient List entities = new ArrayList();

  /**
   * finds entities by message.
   * 
   * @param message
   *          message to find corresponding elements from
   * @return matched messages
   */
  @Override
  public final Collection findByHelloObjectMessage(
  /* @Body */final String message) {
    final List ret = new ArrayList();
    for (final HelloEntity ent : this.entities) {
      if (ent.getHelloMessage().equals(message)) {
        ret.add(ent);
      }
    }
    return ret;
  }

  /**
   * Consumer method for instance save.
   * @param entity the element to save
   * @return persisted element
   */
  // @Override
  // @Consume(uri = "jms:queue:helloServiceQueueIn")
  public final  void save(/* @Body */final S entity) {
    this.entities.add(entity);
    this.producer.send("HELLO.OUT", new MessageCreator() {

      @Override
      public Message createMessage(Session arg0) throws JMSException {
        log.info("returning persisted message");
        return arg0.createObjectMessage(findAll());
      }
    });

  }
  /**
   * returns all elements.
   */
  @Override
  public Hellos findAll() {
    final Hellos hellos = new Hellos();
    hellos.setEntities(this.entities);
    return hellos;
  }
  /**
   * deletes all elements.
   */
  @Override
  public void deleteAll() {
    this.entities.clear();
  }
  /**
   * Camel message listener.
   * @param message the lessage
   */
  @Override
  public void onMessage(Message message) {
    final ObjectMessage objectMessage = (ObjectMessage) message;
    try {
      final HelloEntity entity = (HelloEntity) objectMessage.getObject();
      log.info("received message for persistance");
      this.save(entity);

    }
    catch (JMSException e) {
      log.error("error parsing jms message", e);
    }

  }

}