gov.nih.nci.cabig.report2caaers.exchange.EDIMessagePreProcessor.java Source code

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Here is the source code for gov.nih.nci.cabig.report2caaers.exchange.EDIMessagePreProcessor.java

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/*******************************************************************************
 * Copyright SemanticBits, Northwestern University and Akaza Research
 * 
 * Distributed under the OSI-approved BSD 3-Clause License.
 * See http://ncip.github.com/caaers/LICENSE.txt for details.
 ******************************************************************************/
package gov.nih.nci.cabig.report2caaers.exchange;

import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Map;
import java.util.UUID;

import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.xml.XPathBuilder;
import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class EDIMessagePreProcessor implements Processor {

    public final static SimpleDateFormat msgDF = new SimpleDateFormat("yyyyMMddhhmmss");
    public static final String MSG_ID = "c2r_msg_id";
    public static final String TODAY_DT = "c2r_today_204";
    public static final String MSG_NUMB = "c2r_msg_number";
    public static final String MSG_DT = "c2r_msg_date";
    public static final String MSG_SNDR_ID = "c2r_msg_sender_id";
    public static final String MSG_RCVR_ID = "c2r_msg_receiver_id";
    public static final String MSG_COMBO_ID = "msg_combo_id";
    private static final String ORIGINAL_MSG = "original_message";
    public static final String CAAERS_WS_USERNAME = "c2a_caaers_ws_username";
    public static final String CAAERS_WS_PASSWORD = "c2a_caaers_ws_password";

    private static String[] msgComboIdPaths = { "//safetyreportid", "//messagedate" };

    protected static final Log log = LogFactory.getLog(EDIMessagePreProcessor.class);

    private String caaersWSUser;
    private String caaersWSPassword;

    public String getCaaersWSUser() {
        return caaersWSUser;
    }

    public void setCaaersWSUser(String caaersWSUser) {
        this.caaersWSUser = caaersWSUser;
    }

    public String getCaaersWSPassword() {
        return caaersWSPassword;
    }

    public void setCaaersWSPassword(String caaersWSPassword) {
        this.caaersWSPassword = caaersWSPassword;
    }

    public void process(Exchange exchange) throws Exception {
        // just get the body as a string
        String body = exchange.getIn().getBody(String.class);
        log.info("inside EDIMessagePreProcessor...");

        // replace @@ characters with comma
        String replacedDoubleAt = body.replace("@@", ",");

        // replace ## characters with semicolon
        String replacedDoubleHash = replacedDoubleAt.replace("##", ";");

        StringBuffer mIdB = new StringBuffer();
        for (String path : msgComboIdPaths) {
            String value = XPathBuilder.xpath(path).evaluate(exchange, String.class);
            if (StringUtils.isNotBlank(value)) {
                mIdB.append(value).append("::");
            }
        }
        String msgComboId = mIdB.substring(0, mIdB.length() - 2); //remove the last '::' char

        // set the properties in the exchange
        Map<String, Object> properties = exchange.getProperties();
        properties.put(MSG_COMBO_ID, msgComboId);

        String msgNumb = XPathBuilder.xpath("//messagenumb/text()").evaluate(exchange, String.class);
        String msgDt = XPathBuilder.xpath("//messagedate/text()").evaluate(exchange, String.class);
        String msgSndrId = XPathBuilder.xpath("//messagesenderidentifier/text()").evaluate(exchange, String.class);
        String msgRcvrId = XPathBuilder.xpath("//messagereceiveridentifier/text()").evaluate(exchange,
                String.class);

        properties.put(MSG_NUMB, msgNumb);
        properties.put(MSG_DT, msgDt);
        properties.put(MSG_SNDR_ID, msgSndrId);
        properties.put(MSG_RCVR_ID, msgRcvrId);
        properties.put(CAAERS_WS_USERNAME, caaersWSUser);
        properties.put(CAAERS_WS_PASSWORD, caaersWSPassword);

        Date now = new Date();

        properties.put(MSG_ID, UUID.randomUUID().toString());
        properties.put(TODAY_DT, msgDF.format(now));
        properties.put(ORIGINAL_MSG, replacedDoubleHash);

        exchange.getOut().setBody(replacedDoubleHash);
    }
}