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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 EsperEndpoint endpoint;

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

    @SuppressWarnings("unchecked")
    public void process(Exchange exchange) throws Exception {
        Message in = exchange.getIn();
        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();
    }
}