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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.iec60870.client;

import org.apache.camel.Exchange;
import org.apache.camel.Message;
import org.apache.camel.Processor;
import org.apache.camel.component.iec60870.Constants;
import org.apache.camel.component.iec60870.ObjectAddress;
import org.apache.camel.support.DefaultConsumer;
import org.eclipse.neoscada.protocol.iec60870.asdu.types.Value;

public class ClientConsumer extends DefaultConsumer {

    private final ClientConnection connection;
    private final ClientEndpoint endpoint;

    public ClientConsumer(final ClientEndpoint endpoint, final Processor processor, final ClientConnection connection) {
        super(endpoint, processor);
        this.endpoint = endpoint;
        this.connection = connection;
    }

    @Override
    protected void doStart() throws Exception {
        super.doStart();
        this.connection.setListener(this.endpoint.getAddress(), this::updateValue);
    }

    @Override
    protected void doStop() throws Exception {
        this.connection.setListener(this.endpoint.getAddress(), null);
        super.doStop();
    }

    private void updateValue(final ObjectAddress address, final Value value) {
        // Note: we hold the sync lock for the connection
        try {
            Exchange exchange = createExchange(true);
            configureMessage(exchange.getIn(), value);
            getProcessor().process(exchange);
        } catch (Exception e) {
            getExceptionHandler().handleException(e);
        }
    }

    private void configureMessage(Message message, final Value value) {
        message.setBody(value);

        message.setHeader(Constants.IEC60870_VALUE, value.getValue());
        message.setHeader(Constants.IEC60870_TIMESTAMP, value.getTimestamp());
        message.setHeader(Constants.IEC60870_QUALITY, value.getQualityInformation());
        message.setHeader(Constants.IEC60870_OVERFLOW, value.isOverflow());
    }
}




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