camel-2.8.x/components/camel-hl7/src/test/java/org/apache/camel/component/hl7/HL7MLLPCodecPlainStringTest.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 org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.impl.JndiRegistry;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;

/**
 * Unit test to demonstrate the HL7MLLPCodec is message format agnostic (don't require the HAPI library).
 * The message format can be java.lang.String.
 */
public class HL7MLLPCodecPlainStringTest extends CamelTestSupport {

    protected JndiRegistry createRegistry() throws Exception {
        JndiRegistry jndi = super.createRegistry();

        HL7MLLPCodec codec = new HL7MLLPCodec();
        codec.setCharset("iso-8859-1");

        jndi.bind("hl7codec", codec);

        return jndi;
    }

    @Test
    public void testPlainString() throws Exception {
        // START SNIPPET: e1
        MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedBodiesReceived("Bye World");

        // send plain hello world as String
        Object out = template.requestBody("mina:tcp://127.0.0.1:8888?sync=true&codec=#hl7codec", "Hello World");

        assertMockEndpointsSatisfied();

        // and the response is also just plain String
        assertEquals("Bye World", out);
        // END SNIPPET: e1
    }

    protected RouteBuilder createRouteBuilder() throws Exception {
        return new RouteBuilder() {
            public void configure() throws Exception {
                // START SNIPPET: e2
                from("mina:tcp://127.0.0.1:8888?sync=true&codec=#hl7codec")
                    .process(new Processor() {
                        public void process(Exchange exchange) throws Exception {
                            // use plain String as message format
                            String body = exchange.getIn().getBody(String.class);
                            assertEquals("Hello World", body);

                            // return the response as plain string
                            exchange.getOut().setBody("Bye World");
                        }
                    })
                    .to("mock:result");
                // END SNIPPET: e2
            }
        };
    }

}