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Camel Esper support

There is a newer version: 2.25.2

/**
 * ************************************************************************************
 * http://code.google.com/a/apache-extras.org/p/camel-extra
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 *
 * You should have received a copy of the GNU General Public License along with
 * this program; if not, write to the Free Software Foundation, Inc., 51
 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * http://www.gnu.org/licenses/gpl-2.0-standalone.html
 **************************************************************************************
 */
package org.apacheextras.camel.component.esper;

import java.util.HashMap;
import java.util.Map;

import com.espertech.esper.client.EPRuntime;
import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.impl.DefaultProducer;

/**
 * @version $Revision: 1.1 $
 */
public class EsperProducer extends DefaultProducer {

  private final EsperEndpoint endpoint;

  public EsperProducer(EsperEndpoint endpoint) {
    super(endpoint);
    this.endpoint = endpoint;
  }

  /**
   *
   * @param exchange
   * @throws Exception
   */
  @SuppressWarnings("unchecked")
  @Override
  public void process(Exchange exchange) throws Exception {
    final Message in = exchange.getIn();
    final Object body = in.getBody();
    if (endpoint.isMapEvents()) {
      Map map = new HashMap(in.getHeaders());
      map.put("body", body);
      getEsperRuntime().sendEvent(map, endpoint.getName());
    } else {
      getEsperRuntime().sendEvent(body);
    }
  }

  public EPRuntime getEsperRuntime() {
    return endpoint.getEsperRuntime();
  }
}