import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
/**
 * Checks if any of the Camel routes is using an EIP with the given name
 *
 * @param camelContext  the Camel context
 * @param name          the name of the EIP
 * @return <tt>true</tt> if in use, <tt>false</tt> if not
 */
public static boolean isEipInUse(CamelContext camelContext, String name) {
    for (RouteDefinition route : camelContext.getRouteDefinitions()) {
        for (FromDefinition from : route.getInputs()) {
            if (name.equals(from.getShortName())) {
                return true;
            }
        }
        Iterator<ProcessorDefinition> it = ProcessorDefinitionHelper.filterTypeInOutputs(route.getOutputs(), ProcessorDefinition.class);
        while (it.hasNext()) {
            ProcessorDefinition def = it.next();
            if (name.equals(def.getShortName())) {
                return true;
            }
        }
    }
    return false;
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
@Test
public void testCustomId() {
    RouteDefinition route = context.getRouteDefinition("myRoute");
    assertNotNull(route);
    assertTrue(route.hasCustomIdAssigned());

    FromDefinition from = route.getInputs().get(0);
    assertEquals("fromFile", from.getId());
    assertTrue(from.hasCustomIdAssigned());

    ChoiceDefinition choice = (ChoiceDefinition) route.getOutputs().get(0);
    assertEquals("myChoice", choice.getId());
    assertTrue(choice.hasCustomIdAssigned());

    WhenDefinition when = choice.getWhenClauses().get(0);
    assertTrue(when.hasCustomIdAssigned());
    assertEquals("UK", when.getId());

    LogDefinition log = (LogDefinition) choice.getOtherwise().getOutputs().get(0);
    assertFalse(log.hasCustomIdAssigned());
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
/**
 * Used for auto registering endpoints from the <tt>from</tt> or <tt>to</tt> DSL if they have an id attribute set
 */
protected void registerEndpointsWithIdsDefinedInFromOrToTypes(Element element, ParserContext parserContext, String contextId, Binder<Node> binder) {
    NodeList list = element.getChildNodes();
    int size = list.getLength();
    for (int i = 0; i < size; i++) {
        Node child = list.item(i);
        if (child instanceof Element) {
            Element childElement = (Element) child;
            Object object = binder.getJAXBNode(child);
            // we only want from/to types to be registered as endpoints
            if (object instanceof FromDefinition || object instanceof SendDefinition) {
                registerEndpoint(childElement, parserContext, contextId);
            }
            // recursive
            registerEndpointsWithIdsDefinedInFromOrToTypes(childElement, parserContext, contextId, binder);
        }
    }
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
public void testCustomId() {
    RouteDefinition route = context.getRouteDefinition("myRoute");
    assertNotNull(route);
    assertTrue(route.hasCustomIdAssigned());

    FromDefinition from = route.getInputs().get(0);
    assertEquals("fromFile", from.getId());
    assertTrue(from.hasCustomIdAssigned());

    ChoiceDefinition choice = (ChoiceDefinition) route.getOutputs().get(0);
    assertEquals("myChoice", choice.getId());
    assertTrue(choice.hasCustomIdAssigned());

    WhenDefinition when = choice.getWhenClauses().get(0);
    assertTrue(when.hasCustomIdAssigned());
    assertEquals("UK", when.getId());

    LogDefinition log = (LogDefinition) choice.getOtherwise().getOutputs().get(0);
    assertFalse(log.hasCustomIdAssigned());
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
protected void assertValidContext(CamelContext context) {
    assertNotNull("No context found!", context);

    List<RouteDefinition> routes = ((ModelCamelContext)context).getRouteDefinitions();
    LOG.debug("Found routes: " + routes);

    assertEquals("One Route should be found", 1, routes.size());

    for (RouteDefinition route : routes) {
        List<FromDefinition> inputs = route.getInputs();
        assertEquals("Number of inputs", 1, inputs.size());
        FromDefinition fromType = inputs.get(0);
        assertEquals("from URI", "seda:test.a", fromType.getUri());

        List<?> outputs = route.getOutputs();
        assertEquals("Number of outputs", 1, outputs.size());
    }
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
public static String getUri(FromDefinition input) {
    String key = input.getUri();
    if (Strings2.isEmpty(key)) {
        String ref = input.getRef();
        if (!Strings2.isEmpty(ref)) {
            return "ref:" + ref;
        }
    }
    return key;
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
private static void replaceInputs(Iterable<RouteDefinition> definitions,
		String oldFrom, String newFrom) {
	for (RouteDefinition definition : definitions) {
		List<FromDefinition> inputs = definition.getInputs();
		for (int i = 0; i < inputs.size(); i++) {
			if (oldFrom.equals(inputs.get(i).getEndpointUri())) {
				inputs.set(i, new FromDefinition(newFrom));
			}
		}
	}
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
public static AdviceWithTask replaceFromWith(final RouteDefinition route, final String uri) {
    return new AdviceWithTask() {
        public void task() throws Exception {
            FromDefinition from = route.getInputs().get(0);
            LOG.info("AdviceWith replace input from [{}] --> [{}]", from.getUriOrRef(), uri);
            from.setEndpoint(null);
            from.setRef(null);
            from.setUri(uri);
        }
    };
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
public static AdviceWithTask replaceFrom(final RouteDefinition route, final Endpoint endpoint) {
    return new AdviceWithTask() {
        public void task() throws Exception {
            FromDefinition from = route.getInputs().get(0);
            LOG.info("AdviceWith replace input from [{}] --> [{}]", from.getUriOrRef(), endpoint.getEndpointUri());
            from.setRef(null);
            from.setUri(null);
            from.setEndpoint(endpoint);
        }
    };
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
public void testStartRouteThenStopMutateAndStartRouteAgain() throws Exception {
    List<RouteDefinition> routes = context.getRouteDefinitions();
    assertCollectionSize("Route", routes, 1);
    RouteDefinition route = routes.get(0);

    endpointA = getMandatoryEndpoint("seda:test.a", SedaEndpoint.class);
    endpointB = getMandatoryEndpoint("seda:test.b", SedaEndpoint.class);
    endpointC = getMandatoryEndpoint("seda:test.C", SedaEndpoint.class);

    // send from A over B to results
    MockEndpoint results = getMockEndpoint("mock:results");
    results.expectedBodiesReceived(expectedBody);

    template.sendBody(endpointA, expectedBody);

    assertMockEndpointsSatisfied();

    // stop the route
    context.stopRoute(route);

    // lets mutate the route...
    FromDefinition fromType = assertOneElement(route.getInputs());
    fromType.setUri("seda:test.C");
    context.startRoute(route);

    // now lets check it works
    // send from C over B to results
    results.reset();
    results = getMockEndpoint("mock:results");
    results.expectedBodiesReceived(expectedBody);

    template.sendBody(endpointC, expectedBody);

    assertMockEndpointsSatisfied();
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
private void findInputComponents(List<FromDefinition> defs, Set<String> components, Set<String> languages, Set<String> dataformats) {
    if (defs != null) {
        for (FromDefinition def : defs) {
            findUriComponent(def.getUri(), components);
            findSchedulerUriComponent(def.getUri(), components);
        }
    }
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
@SuppressWarnings("deprecation")
protected List<URI> getInnerContextConsumerList(CamelContext context) throws URISyntaxException {
    List<URI> consumerList = new ArrayList<URI>();
    List<RouteDefinition> routeDefinitions = context.getRouteDefinitions();
    for (RouteDefinition routeDefinition : routeDefinitions) {
        List<FromDefinition> inputs = routeDefinition.getInputs();
        for (FromDefinition input : inputs) {
            consumerList.add(new URI(input.getUri()));
        }
    }
    return consumerList;
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
/**
 * Get a map with the route id (key) and the priority (value) for 'from' endpoint
 *
 * @return
 */
protected Map<String, String> getRouteToEndpointPriority() {
    Map<String, String> answer = new HashMap<String, String>();

    List<RouteDefinition> routes = context.getRouteDefinitions();

    Assert.assertNotNull(routes);

    for (RouteDefinition current : routes) {
        Assert.assertEquals(new Integer(1), new Integer(current.getInputs().size()));
        Assert.assertNotNull(current.getInputs().get(0));
        Assert.assertNotNull(current.getId());
        Assert.assertTrue(current.getId().trim().length() > 0);

        FromDefinition from = current.getInputs().get(0);
        Endpoint endpoint = getMandatoryEndpoint(from.getUri());

        Assert.assertNotNull(endpoint);
        Assert.assertTrue(endpoint instanceof LoadBalancedFileEndpoint);

        LoadBalancedFileEndpoint lbEndpoint = (LoadBalancedFileEndpoint)endpoint;
        GenericFileFilter filter = lbEndpoint.getFilter();

        Assert.assertNotNull(filter);
        Assert.assertTrue(filter instanceof PriorityFileFilter);

        PriorityFileFilter priorityFileFilter = (PriorityFileFilter)filter;

        Assert.assertNotNull(priorityFileFilter.getPriorityName());

        answer.put(current.getId(), priorityFileFilter.getPriorityName());
    }

    return answer;
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
public static String formatInputFromDefinition(FromDefinition from) {
	URI uri = URI.create(from.getEndpointUri());
	if (uri.getScheme().startsWith("twitter")) {
		return formatInputFromURI(uri);
	}
	return uri.toString();
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
@Test
public void testNotification() throws InterruptedException, IOException {
	String body = readFile(NOTIFICATION_JSON,Charset.defaultCharset());
	out.setExpectedMessageCount(1);
	
	CamelContext context = context();
	RouteDefinition routeDefinition = context.getRouteDefinition("WEBHOOK-TEST");

	assertNotNull("RouteDefinition is null",routeDefinition);
	List<FromDefinition> inputs = routeDefinition.getInputs();
	FromDefinition from = inputs.get(0);
	String uri = from.getEndpointUri();
	uri = uri.replaceFirst("jetty:","");
	LOG.debug("uri: {}", uri);

	// Send HTTP notification
       HttpClient httpclient = new HttpClient();
       PostMethod httppost = new PostMethod(uri);
       Header contentHeader = new Header("Content-Type", "application/json");
       httppost.setRequestHeader(contentHeader);
       StringRequestEntity reqEntity = new StringRequestEntity(body,null,null);
       httppost.setRequestEntity(reqEntity);
       int status = httpclient.executeMethod(httppost);

       assertEquals("Received wrong response status", 200, status);

	out.assertIsSatisfied();
	
	List<Exchange> exchanges = out.getExchanges();
	LOG.debug("EXCHANGE COUNT: {}",exchanges.size());
	for (Exchange exchange : exchanges) {
		Message message = exchange.getIn();
		String messageBody = message.getBody(String.class);
		Object o = message.getBody();
		LOG.debug("class: " + o.getClass().toString());
		LOG.debug("messageBody: " + messageBody);
		LOG.debug("id: " + exchange.getExchangeId());
		//assertEquals("Body not equal",body,messageBody);
	}
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
protected static void addInputs(CamelCatalog camelCatalog, NodeDto owner, List<FromDefinition> inputs) {
    Map<String, Integer> nodeCounts = new HashMap<>();
    for (FromDefinition input : inputs) {
        addChild(camelCatalog, owner, input, nodeCounts);
    }
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
public DefaultRouteContext(CamelContext camelContext, RouteDefinition route, FromDefinition from, Collection<Route> routes) {
    this.camelContext = camelContext;
    this.route = route;
    this.from = from;
    this.routes = routes;
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
public FromDefinition getFrom() {
    return from;
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
private void verifyRouteDefinitions(List<RouteDefinition> routeDefinitions, CamelComponentImplementationModel ccim) throws Exception {
    // service name & namespace
    // TODO what happens when we have multiple services?
    String serviceName = ccim.getComponent().getServices().get(0).getName();
    String compositeNs = ccim.getComponent().getComposite().getTargetNamespace();
    // number of switchyard:// consumers/from statements
    int serviceConsumer = 0;
    for (RouteDefinition routeDefinition : routeDefinitions) {
        if (routeDefinition.getInputs().isEmpty()) {
            throw CamelComponentMessages.MESSAGES.mustHaveAtLeastOneInput();
        }
        for (FromDefinition fromDefinition : routeDefinition.getInputs()) {

            URI from = URI.create(this.getCamelContext().resolvePropertyPlaceholders(fromDefinition.getUri()));
            if (from.getScheme().equals(CamelConstants.SWITCHYARD_COMPONENT_NAME)) {
                if (serviceConsumer > 0) {
                    throw CamelComponentMessages.MESSAGES.onlyOneSwitchYardInputPerImpl();
                }
                String authority = from.getAuthority();

                if (!serviceName.equals(authority)) {
                    throw CamelComponentMessages.MESSAGES.implementationConsumerDoesNotMatchService(serviceName);
                }
                serviceConsumer++;
            }
        }

        List<ProcessorDefinition<?>> outputs = routeDefinition.getOutputs();
        for (ProcessorDefinition<?> processorDefinition : outputs) {
            if (processorDefinition instanceof ToDefinition) {
                ToDefinition to = (ToDefinition) processorDefinition;
                URI componentUri = null;
                if (to.getRef() != null) {
                    componentUri = URI.create(getCamelContext().getRegistry().lookupByNameAndType(to.getRef(), Endpoint.class).getEndpointUri());
                } else if (to.getUri() != null) {
                    componentUri = URI.create(this.getCamelContext().resolvePropertyPlaceholders(to.getUri()));
                } else {
                    throw CamelComponentMessages.MESSAGES.couldNotResolveToEndpointUri(to.toString());
                }
                if (componentUri.getScheme().equals(CamelConstants.SWITCHYARD_COMPONENT_NAME)) {
                    final String referenceName = componentUri.getAuthority();
                    final QName refServiceName = new QName(compositeNs, referenceName);
                    if (!containsServiceRef(ccim.getComponent().getReferences(), referenceName)) {
                        throw CamelComponentMessages.MESSAGES.couldNotFindServiceReference(referenceName, to.toString());
                    }
                    
                    QName qualifiedRefName = ComponentNames.qualify(
                            ccim.getComponent().getQName(), refServiceName);
                    final ServiceReference service = getServiceDomain().getServiceReference(qualifiedRefName);
                    if (service == null) {
                        throw CamelComponentMessages.MESSAGES.couldNotFindServiceName(qualifiedRefName.toString(), to.toString());
                    }
                }
            }
        }
    }
    if (serviceConsumer != 1) {
        throw CamelComponentMessages.MESSAGES.cannotCreateComponentImpl();
    }
}
 

import org.apache.camel.model.FromDefinition; //导入依赖的package包/类
/**
 * Gets the from type
 *
 * @return the from type
 */
FromDefinition getFrom();