com.mirth.connect.donkey.server.channel.MetaDataReplacer.java Source code

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Here is the source code for com.mirth.connect.donkey.server.channel.MetaDataReplacer.java

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/*
 * Copyright (c) Mirth Corporation. All rights reserved.
 * 
 * http://www.mirthcorp.com
 * 
 * The software in this package is published under the terms of the MPL license a copy of which has
 * been included with this distribution in the LICENSE.txt file.
 */

package com.mirth.connect.donkey.server.channel;

import java.util.List;

import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;

import com.mirth.connect.donkey.model.channel.MetaDataColumn;
import com.mirth.connect.donkey.model.channel.MetaDataColumnException;
import com.mirth.connect.donkey.model.message.ConnectorMessage;

public class MetaDataReplacer {
    private Logger logger = Logger.getLogger(getClass());

    /*
     * Extracts any custom columns from the connector message and adds them to
     * the custom column map.
     */
    public void setMetaDataMap(ConnectorMessage connectorMessage, List<MetaDataColumn> metaDataColumns) {
        for (MetaDataColumn column : metaDataColumns) {
            if (StringUtils.isNotEmpty(column.getMappingName())) {
                Object value = getMetaDataValue(connectorMessage, column);

                if (value != null) {
                    try {
                        connectorMessage.getMetaDataMap().put(column.getName(), column.getType().castValue(value));
                    } catch (MetaDataColumnException e) {
                        // If there is an error casting the value, log a warning but continue with processing because
                        // the metadata values are not essential for processing
                        logger.warn("Could not cast value '" + value + "' to " + column.getType().toString(), e);
                    }
                }
            }
        }
    }

    protected Object getMetaDataValue(ConnectorMessage connectorMessage, MetaDataColumn column) {
        Object value = null;

        if (connectorMessage.getConnectorMap().containsKey(column.getMappingName())) {
            value = connectorMessage.getConnectorMap().get(column.getMappingName());
        } else if (connectorMessage.getChannelMap().containsKey(column.getMappingName())) {
            value = connectorMessage.getChannelMap().get(column.getMappingName());
        } else if (connectorMessage.getSourceMap().containsKey(column.getMappingName())) {
            value = connectorMessage.getSourceMap().get(column.getMappingName());
        }

        return value;
    }
}