Simple JUnit test to demonstrate how to get a RouteDefinition object from XML for Apache Camel.

ConvertXmlToRouteDefinitionTest.java

import org.apache.camel.impl.DefaultCamelContext;
import org.apache.camel.model.RouteDefinition;
import org.apache.camel.model.RoutesDefinition;
import org.junit.Test;

import java.io.ByteArrayInputStream;
import java.io.InputStream;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

public class ConvertXmlToRouteDefinitionTest {
    private final String XML =
            "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>" +
            "<route group=\"de.kopis.examples.camel.MyRouteBuilder\" customId=\"true\" id=\"myRoute\" xmlns=\"http://camel.apache.org/schema/spring\">" +
            "<from uri=\"file:src/data?noop=true\"/>" +
            "<choice id=\"choice1\">" +
            "<when id=\"when1\">" +
            "<xpath>/person/city = 'London'</xpath>" +
            "<log message=\"UK message\" id=\"log1\"/>" +
            "<to uri=\"file:target/messages/uk\" id=\"to1\"/>" +
            "</when>" +
            "<otherwise id=\"otherwise1\">" +
            "<log message=\"Other message\" id=\"log2\"/>" +
            "<to uri=\"file:target/messages/others\" id=\"to2\"/>" +
            "</otherwise>" +
            "</choice>" +
            "</route>";

    @Test
    public void importsXmlAndCreatesRouteDefinition() throws Exception {
        DefaultCamelContext context = new DefaultCamelContext();
        RoutesDefinition routes = context.loadRoutesDefinition(new ByteArrayInputStream(XML.getBytes()));
        RouteDefinition r = getRoute(routes, "myRoute");

        assertNotNull(r);
        assertEquals("file:src/data?noop=true", r.getInputs().get(0).getUri());
    }

    private RouteDefinition getRoute(RoutesDefinition routes, String routeId) {
        for (RouteDefinition route : routes.getRoutes()) {
            if (routeId.equalsIgnoreCase(route.getId())) {
                return route;
            }
        }
        return null;
    }
}