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/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF 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
 *
 *      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.
 */
package org.apache.camel.component.jt400;

import com.ibm.as400.access.AS400;
import com.ibm.as400.access.DataQueue;
import org.apache.camel.Exchange;
import org.apache.camel.Producer;
import org.apache.camel.component.jt400.Jt400DataQueueEndpoint.Format;
import org.apache.camel.impl.DefaultProducer;

/**
 * {@link Producer} to send data to an AS/400 data queue.
 */
public class Jt400DataQueueProducer extends DefaultProducer {

    private final Jt400DataQueueEndpoint endpoint;

    protected Jt400DataQueueProducer(Jt400DataQueueEndpoint endpoint) {
        super(endpoint);
        this.endpoint = endpoint;
    }

    /**
     * Sends the {@link Exchange}'s in body to the AS/400 data queue. If the
     * endpoint's format is set to {@link Format#binary}, the data queue entry's
     * data will be sent as a byte[]. If the endpoint's format is
     * set to {@link Format#text}, the data queue entry's data will be sent as a
     * String.
     */
    public void process(Exchange exchange) throws Exception {
        DataQueue queue = endpoint.getDataQueue();
        if (endpoint.getFormat() == Format.binary) {
            queue.write(exchange.getIn().getBody(byte[].class));
        } else {
            queue.write(exchange.getIn().getBody(String.class));
        }
    }

    @Override
    protected void doStart() throws Exception {
        if (!endpoint.getSystem().isConnected()) {
            log.info("Connecting to " + endpoint);
            endpoint.getSystem().connectService(AS400.DATAQUEUE);
        }
    }

    @Override
    protected void doStop() throws Exception {
        if (endpoint.getSystem().isConnected()) {
            log.info("Disconnecting from " + endpoint);
            endpoint.getSystem().disconnectAllServices();
        }
    }

}




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