org.ojbc.util.camel.helper.MtomUtils.java Source code

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Here is the source code for org.ojbc.util.camel.helper.MtomUtils.java

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/*
 * Unless explicitly acquired and licensed from Licensor under another license, the contents of
 * this file are subject to the Reciprocal Public License ("RPL") Version 1.5, or subsequent
 * versions as allowed by the RPL, and You may not copy or use this file in either source code
 * or executable form, except in compliance with the terms and conditions of the RPL
 *
 * All software distributed under the RPL is provided strictly on an "AS IS" basis, WITHOUT
 * WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, AND LICENSOR HEREBY DISCLAIMS ALL SUCH
 * WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE, QUIET ENJOYMENT, OR NON-INFRINGEMENT. See the RPL for specific language
 * governing rights and limitations under the RPL.
 *
 * http://opensource.org/licenses/RPL-1.5
 *
 * Copyright 2012-2015 Open Justice Broker Consortium
 */
package org.ojbc.util.camel.helper;

import java.io.IOException;

import javax.activation.DataHandler;

import org.apache.camel.Exchange;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.cxf.helpers.IOUtils;

public class MtomUtils {

    private static final Log log = LogFactory.getLog(MtomUtils.class);

    /**
     * Get the MTOM attachment by attachmentId from an exchange. 
     * @param exchange
     * @param transactionNumber
     * @param attachmentId
     * @return
     * @throws IOException
     */
    public static byte[] getAttachment(Exchange exchange, String transactionNumber, String attachmentId)
            throws IOException {
        byte[] attachment;
        DataHandler dataHandler = exchange.getIn().getAttachment(StringUtils.substringAfter(attachmentId, "cid:"));

        if (dataHandler != null) {
            attachment = IOUtils.readBytesFromStream(dataHandler.getInputStream());
        } else {
            log.error("No valid file found in the attachement for transaction "
                    + StringUtils.trimToEmpty(transactionNumber));
            throw new IllegalArgumentException("No file found in the attachement");
        }
        return attachment;
    }

}