Thomas Vachuska | 5b48d6c | 2018-04-27 18:24:27 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.layout; |
| 17 | |
| 18 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 19 | import com.google.common.collect.ImmutableSet; |
| 20 | import org.onlab.osgi.ServiceDirectory; |
| 21 | import org.onosproject.ui.RequestHandler; |
| 22 | import org.onosproject.ui.UiConnection; |
| 23 | import org.onosproject.ui.UiMessageHandler; |
| 24 | import org.slf4j.Logger; |
| 25 | import org.slf4j.LoggerFactory; |
| 26 | |
| 27 | import java.util.Collection; |
| 28 | |
| 29 | /** |
| 30 | * ONOS UI Layout Topology-Overlay message handler. |
| 31 | */ |
| 32 | public class LayoutOverlayMessageHandler extends UiMessageHandler { |
| 33 | |
| 34 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 35 | |
| 36 | private static final String DO_LAYOUT = "doLayout"; |
| 37 | private static final String TYPE = "type"; |
| 38 | |
| 39 | RoleBasedLayoutManager layoutManager; |
| 40 | |
| 41 | @Override |
| 42 | public void init(UiConnection connection, ServiceDirectory directory) { |
| 43 | super.init(connection, directory); |
| 44 | layoutManager = directory.get(RoleBasedLayoutManager.class); |
| 45 | } |
| 46 | |
| 47 | @Override |
| 48 | protected Collection<RequestHandler> createRequestHandlers() { |
| 49 | return ImmutableSet.of( |
| 50 | new LayoutHandler() |
| 51 | ); |
| 52 | } |
| 53 | |
| 54 | private final class LayoutHandler extends RequestHandler { |
| 55 | |
| 56 | public LayoutHandler() { |
| 57 | super(DO_LAYOUT); |
| 58 | } |
| 59 | |
| 60 | @Override |
| 61 | public void process(ObjectNode payload) { |
| 62 | String algorithm = string(payload, TYPE); |
| 63 | switch (algorithm) { |
| 64 | case "access": |
| 65 | layoutManager.layout(new AccessNetworkLayout()); |
| 66 | break; |
| 67 | default: |
| 68 | layoutManager.layout(new DefaultForceLayout()); |
| 69 | break; |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | } |