/**
 * The contents of this file are subject to the Mozilla Public License Version 1.1
 * (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.mozilla.org/MPL/
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
 * specific language governing rights and limitations under the License.
 *
 * The Original Code is "ExampleReceiverApplication.java".  Description:
 * "Example Code"
 *
 * The Initial Developer of the Original Code is University Health Network. Copyright (C)
 * 2001.  All Rights Reserved.
 *
 * Contributor(s): James Agnew
 *
 * Alternatively, the contents of this file may be used under the terms of the
 * GNU General Public License (the  “GPL”), in which case the provisions of the GPL are
 * applicable instead of those above.  If you wish to allow use of your version of this
 * file only under the terms of the GPL and not to allow others to use your version
 * of this file under the MPL, indicate your decision by deleting  the provisions above
 * and replace  them with the notice and other provisions required by the GPL License.
 * If you do not delete the provisions above, a recipient may use your version of
 * this file under either the MPL or the GPL.
 *
 */
package ca.uhn.hl7v2.examples;

import java.io.IOException;

import ca.uhn.hl7v2.HL7Exception;
import ca.uhn.hl7v2.app.Application;
import ca.uhn.hl7v2.app.ApplicationException;
import ca.uhn.hl7v2.app.DefaultApplication;
import ca.uhn.hl7v2.model.Message;
import ca.uhn.hl7v2.model.v22.message.ACK;
import ca.uhn.hl7v2.model.v22.segment.MSH;
import ca.uhn.hl7v2.parser.PipeParser;

/**
 * Application class for receiving ADT^A01 messages
 */
public class ExampleReceiverApplication implements Application
{

    /**
     * {@inheritDoc}
     */
    public boolean canProcess(Message theIn) {
        return true;
    }


    /**
     * {@inheritDoc}
     */
    public Message processMessage(Message theIn) throws ApplicationException, HL7Exception {

        String encodedMessage = new PipeParser().encode(theIn);
        System.out.println("Received message:\n" + encodedMessage + "\n\n");

        // Now we need to generate a message to return. This will generally be an ACK message.
        MSH msh = (MSH)theIn.get("MSH");
        ACK retVal;
        try {
            // This method takes in the MSH segment of an incoming message, and generates an
            // appropriate ACK
            retVal = (ACK)DefaultApplication.makeACK(msh);
        } catch (IOException e) {
            throw new HL7Exception(e);
        }

        return retVal;
    }

}