IntentsWebResource.java
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/*
* Copyright 2014 Open Networking Laboratory
*
* Licensed 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.onosproject.rest;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import org.onosproject.core.ApplicationId;
import org.onosproject.core.CoreService;
import org.onosproject.net.intent.HostToHostIntent;
import org.onosproject.net.intent.Intent;
import org.onosproject.net.intent.IntentService;
import org.onosproject.net.intent.Key;
import org.onosproject.net.intent.PointToPointIntent;
import com.fasterxml.jackson.databind.node.ObjectNode;
/**
* REST resource for interacting with the inventory of intents.
*/
@Path("intents")
public class IntentsWebResource extends AbstractWebResource {
public static final String INTENT_NOT_FOUND = "Intent is not found";
/**
* Gets an array containing all the intents in the system.
*
* @return array of all the intents in the system
*/
@GET
@Produces(MediaType.APPLICATION_JSON)
public Response getIntents() {
final Iterable<Intent> intents = get(IntentService.class).getIntents();
final ObjectNode root = encodeArray(Intent.class, "intents", intents);
return ok(root).build();
}
/**
* Gets a single intent by Id.
*
* @param appId the Application ID
* @param key the Intent key value to look up
* @return intent data
*/
@GET
@Produces(MediaType.APPLICATION_JSON)
@Path("{appId}/{key}")
public Response getIntentById(@PathParam("appId") Short appId,
@PathParam("key") String key) {
final ApplicationId app = get(CoreService.class).getAppId(appId);
Intent intent = get(IntentService.class).getIntent(Key.of(key, app));
if (intent == null) {
intent = get(IntentService.class)
.getIntent(Key.of(Long.parseLong(key), app));
}
nullIsNotFound(intent, INTENT_NOT_FOUND);
final ObjectNode root;
if (intent instanceof HostToHostIntent) {
root = codec(HostToHostIntent.class).encode((HostToHostIntent) intent, this);
} else if (intent instanceof PointToPointIntent) {
root = codec(PointToPointIntent.class).encode((PointToPointIntent) intent, this);
} else {
root = codec(Intent.class).encode(intent, this);
}
return ok(root).build();
}
}