HL7MLLPCodecLongTest.java

/**
 * 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.hl7;

import java.io.BufferedReader;
import java.io.InputStreamReader;

import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.impl.JndiRegistry;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.apache.camel.util.IOHelper;
import org.junit.Test;

import ca.uhn.hl7v2.model.Message;
import ca.uhn.hl7v2.model.v25.message.MDM_T02;
import ca.uhn.hl7v2.model.v25.segment.MSH;

/**
 * Unit test for the HL7MLLP Codec.
 */
public class HL7MLLPCodecLongTest
    extends CamelTestSupport
{
    
    @Override
    protected JndiRegistry createRegistry()
        throws Exception
    {
        JndiRegistry jndi = super.createRegistry();
        
        // START SNIPPET: e1
        HL7MLLPCodec codec = new HL7MLLPCodec();
        codec.setCharset("iso-8859-1");
        
        jndi.bind("hl7codec", codec);
        // END SNIPPET: e1
        
        return jndi;
    }
    
    @Override
    protected RouteBuilder createRouteBuilder()
        throws Exception
    {
        return new RouteBuilder() {
            @Override
            public void configure()
                throws Exception
            {
                this
                    .from("mina:tcp://127.0.0.1:8888?sync=true&codec=#hl7codec")
                    .process(new Processor() {
                        @Override
                        public void process(Exchange exchange)
                            throws Exception
                        {
                            assertEquals(70010, exchange
                                .getIn()
                                .getBody()
                                .toString()
                                .length());
                            MDM_T02 input =
                                (MDM_T02) exchange.getIn().getBody(
                                    Message.class);
                            assertEquals("2.5", input.getVersion());
                            MSH msh = input.getMSH();
                            assertEquals("20071129144629", msh
                                .getDateTimeOfMessage()
                                .getTime()
                                .getValue());
                            exchange.getOut().setBody("some response");
                        }
                    })
                    .to("mock:result");
            }
        };
    }
    
    @Test
    public void testSendHL7Message()
        throws Exception
    {
        // START SNIPPET: e2
        BufferedReader in =
            IOHelper.buffered(new InputStreamReader(this
                .getClass()
                .getResourceAsStream("/mdm_t02.txt")));
        String line = "";
        String message = "";
        while (line != null)
        {
            if ((line = in.readLine()) != null)
            {
                message += line + "\r";
            }
        }
        message = message.substring(0, message.length() - 1);
        assertEquals(70010, message.length());
        String out =
            (String) this.template.requestBody(
                "mina:tcp://127.0.0.1:8888?sync=true&codec=#hl7codec",
                message);
        assertEquals("some response", out);
        // END SNIPPET: e2
    }
    
}