gistfile1.java

import com.tieto.etb.esb.api.aggregating.StringListAggregator;
import org.apache.activemq.camel.component.ActiveMQComponent;
import org.apache.camel.LoggingLevel;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.apache.camel.util.jndi.JndiContext;
import org.junit.Test;

import javax.naming.Context;
import java.util.ArrayList;
import java.util.List;

/**
 * @author stibomar
 * @since 19/07/13 10:38
 */

public class AggregationStringResponseFromJmsTests extends CamelTestSupport {

    private String getUriToJmsEndpoint() {
        return "jms:queue:testing?transferExchange=true&exchangePattern=InOut";
    }

    private List<String> getTestingListOfStrings() {
        List<String> testingData = new ArrayList<String>();
        testingData.add("Testing item 1");
        testingData.add("Testing item 2");
        testingData.add("Testing item 3");
        testingData.add("Testing item 4");
        return testingData;
    }

    @Test
    public void listOfStringsTransformedInJmsRouteAndResponsesAggregated() throws InterruptedException {
        MockEndpoint mock = getMockEndpoint("mock:result");
        mock.expectedBodiesReceived("");
        mock.expectedMessageCount(1);

        template.sendBody("direct:start", getTestingListOfStrings());

        assertMockEndpointsSatisfied();
    }

    @Override
    protected RouteBuilder createRouteBuilder() {
        return new RouteBuilder() {
            @Override
            public void configure() throws Exception {
                from(getUriToJmsEndpoint())
                    .log(LoggingLevel.INFO, "In: ${body}")
                    .transform().simple("${body} transformed!")
                    .log(LoggingLevel.INFO, "Out: ${body}");

                from("direct:start")
                    .split().body().aggregationStrategy(new StringListAggregator())
                        .to(getUriToJmsEndpoint())
                    .end()
                .to("mock:result");
            }
        };
    }

    @Override
    protected Context createJndiContext() throws Exception {
        JndiContext jndiContext = new JndiContext();
        ActiveMQComponent amq = ActiveMQComponent.activeMQComponent("vm://localhost?broker.persistent=false");
        amq.setCamelContext(context);
        jndiContext.bind("jms", amq);
        return jndiContext;
    }
}