/**
* 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.net.URI;
import java.net.URISyntaxException;
import java.util.List;
import javax.ws.rs.Consumes;
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 com.sun.jersey.api.representation.Form;
import com.sun.jersey.api.view.Viewable;
import org.apache.camel.Endpoint;
import org.apache.camel.spi.HasId;
import org.apache.camel.web.model.EndpointLink;
import org.apache.camel.web.model.Endpoints;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* The active endpoints in Camel
*
*/
public class EndpointsResource extends CamelChildResourceSupport {
private static final transient Logger LOG = LoggerFactory.getLogger(EndpointsResource.class);
private String error = "";
private String newUri = "mock:someName";
public EndpointsResource(CamelContextResource contextResource) {
super(contextResource);
}
/**
* Returns a list of endpoints available in this context
*/
@GET
@Produces({MediaType.TEXT_XML, MediaType.APPLICATION_XML, MediaType.APPLICATION_JSON})
public Endpoints getDTO() {
return new Endpoints(getCamelContext());
}
/**
* Returns the resource of an individual Camel endpoint
*
* @param id the endpoints unique URI
*/
@Path("{id}")
public EndpointResource getEndpoint(@PathParam("id") String id) {
// TODO lets assume the ID is the endpoint
Endpoint endpoint = null;
if (id != null) {
// lets remove any whitespace
id = id.trim();
if (id.length() > 0) {
endpoint = getCamelContext().getEndpoint(id);
}
}
if (endpoint == null) {
for (Endpoint e : getCamelContext().getEndpoints()) {
if (e instanceof HasId) {
HasId hasId = (HasId) e;
String value = hasId.getId();
if (value != null && value.equals(id)) {
endpoint = e;
break;
}
}
}
}
if (endpoint != null) {
return new EndpointResource(getContextResource(), id, endpoint);
} else {
LOG.warn("No endpoint found for id: " + id);
return null;
}
}
// Creating endpoints
//-------------------------------------------------------------------------
/**
* Creates a new Endpoint for the given URI that is posted.
*
* @param uri the plain text URI of the endpoint to be created
*/
@POST
@Consumes(MediaType.TEXT_PLAIN)
public Response postUri(String uri) throws URISyntaxException {
EndpointResource endpoint = getEndpoint(uri);
if (endpoint != null) {
return Response.ok().build();
}
return Response.noContent().build();
}
/**
* Creates a new Endpoint for the given URI that is posted using form encoding with the <code>uri</code>
* value in the form being used to specify the endpoints unique URI.
*
* @param formData is the form data POSTed typically from a HTML form with the <code>uri</code> field used to create
* the endpoint
*/
@POST
@Consumes("application/x-www-form-urlencoded")
public Response postUriForm(@Context UriInfo uriInfo, Form formData) throws URISyntaxException {
// TODO replace the Form class with an injected bean?
LOG.info("Received form! " + formData);
newUri = formData.getFirst("uri", String.class);
EndpointResource endpoint = getEndpoint(newUri);
if (endpoint != null) {
String href = endpoint.getHref();
LOG.info("Created endpoint so redirecting to " + href);
return Response.seeOther(new URI(href)).build();
} else {
error = "Could not find a component to resolve that URI";
LOG.info("Failed to create new endpoint!");
// lets re-render the form
return Response.ok(new Viewable("index", this)).build();
}
}
// Properties
//-------------------------------------------------------------------------
public List<EndpointLink> getEndpoints() {
return getDTO().getEndpoints();
}
public String getError() {
return error;
}
public String getNewUri() {
return newUri;
}
}