| /** |
| * 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.web.resources; |
| |
| import java.io.IOException; |
| import java.io.StringReader; |
| import java.net.URI; |
| import java.net.URISyntaxException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import javax.ws.rs.Consumes; |
| import javax.ws.rs.FormParam; |
| import javax.ws.rs.GET; |
| import javax.ws.rs.POST; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.core.Context; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response; |
| import javax.ws.rs.core.UriInfo; |
| import javax.xml.bind.JAXBContext; |
| import javax.xml.bind.JAXBException; |
| import javax.xml.bind.Unmarshaller; |
| |
| import com.sun.jersey.api.view.Viewable; |
| |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.model.RouteDefinition; |
| import org.apache.camel.model.RoutesDefinition; |
| import org.apache.camel.util.ObjectHelper; |
| import org.apache.camel.view.RouteDotGenerator; |
| import org.apache.camel.web.model.Route; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * The active routes in Camel which are used to implement one or more <a |
| * href="http://camel.apache.org/enterprise-integration-patterns.html" |
| * >Enterprise Integration Patterns</a> |
| * |
| * @version |
| */ |
| public class RoutesResource extends CamelChildResourceSupport { |
| private static final transient Logger LOG = LoggerFactory.getLogger(RoutesResource.class); |
| private String error = ""; |
| |
| public RoutesResource(CamelContextResource contextResource) { |
| super(contextResource); |
| } |
| |
| /** |
| * Returns the routes currently active within this context |
| */ |
| @GET |
| @Produces({MediaType.TEXT_XML, MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON}) |
| public RoutesDefinition getRouteDefinitions() { |
| RoutesDefinition answer = new RoutesDefinition(); |
| CamelContext camelContext = getCamelContext(); |
| if (camelContext != null) { |
| List<RouteDefinition> list = camelContext.getRouteDefinitions(); |
| answer.setRoutes(list); |
| } |
| return answer; |
| } |
| |
| /** |
| * Returns the Graphviz DOT <a |
| * href="http://camel.apache.org/visualisation.html">Visualisation</a> of |
| * the current Camel routes |
| */ |
| @GET |
| @Produces(Constants.DOT_MIMETYPE) |
| public String getDot() throws IOException { |
| RouteDotGenerator generator = new RouteDotGenerator("/tmp/camel"); |
| return generator.getRoutesText(getCamelContext()); |
| } |
| |
| /** |
| * Looks up an individual route |
| */ |
| @Path("{id}") |
| public RouteResource getRoute(@PathParam("id") String id) { |
| List<RouteDefinition> list = getRouteDefinitions().getRoutes(); |
| for (RouteDefinition routeType : list) { |
| if (routeType.getId().equals(id)) { |
| return new RouteResource(this, routeType); |
| } |
| } |
| return null; |
| } |
| |
| /** |
| * Looks up an individual route with specified language |
| */ |
| @Path("{id}/lang/{language}") |
| public RouteResource getRoute(@PathParam("id") String id, @PathParam("language") String language) { |
| RouteResource routeResource = getRoute(id); |
| if (routeResource != null) { |
| routeResource.setLanguage(language); |
| } |
| return routeResource; |
| } |
| |
| @Path("{id}/status") |
| public RouteStatusResource getRouteStatus(@PathParam("id") String id) { |
| RouteResource routeResource = getRoute(id); |
| return routeResource.getRouteStatus(); |
| } |
| |
| /** |
| * Creates a new route using form encoded data from a web form |
| * |
| * @param language is the edited language used on this route |
| * @param body the route definition content |
| */ |
| @POST |
| @Consumes("application/x-www-form-urlencoded") |
| public Response postRouteForm(@Context UriInfo uriInfo, @FormParam("language") String language, |
| @FormParam("route") String body) throws URISyntaxException { |
| |
| LOG.debug("New Route is: {}", body); |
| |
| LOG.info(body); |
| if (body == null) { |
| error = "No Route submitted!"; |
| } else if (language.equals(RouteResource.LANGUAGE_XML)) { |
| return parseXml(body); |
| } |
| |
| error = "Not supported language!"; |
| return Response.ok(new Viewable("edit", this)).build(); |
| } |
| |
| // Properties |
| // ------------------------------------------------------------------------- |
| |
| public List<Route> getRoutes() { |
| List<Route> answer = new ArrayList<Route>(); |
| for (RouteDefinition def : getRouteDefinitions().getRoutes()) { |
| Route route = new Route(getCamelContext(), def); |
| answer.add(route); |
| } |
| return answer; |
| } |
| |
| public String getError() { |
| return error; |
| } |
| |
| /** |
| * process the route configuration defined in Xml |
| */ |
| private Response parseXml(String xml) { |
| try { |
| JAXBContext context = JAXBContext.newInstance(Constants.JAXB_PACKAGES); |
| Unmarshaller unmarshaller = context.createUnmarshaller(); |
| Object value = unmarshaller.unmarshal(new StringReader(xml)); |
| if (value instanceof RouteDefinition) { |
| RouteDefinition routeDefinition = (RouteDefinition)value; |
| // add the route |
| getCamelContext().addRouteDefinitions(Collections.singletonList(routeDefinition)); |
| return Response.seeOther(new URI("/routes")).build(); |
| } else { |
| error = "Posted XML is not a route but is of type " + ObjectHelper.className(value); |
| } |
| } catch (JAXBException e) { |
| error = "Failed to parse XML: " + e.getMessage(); |
| } catch (Exception e) { |
| error = "Failed to install route: " + e.getMessage(); |
| } |
| // lets re-render the form |
| return Response.ok(new Viewable("create", this)).build(); |
| } |
| |
| } |