| /* |
| * Copyright 2015 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.ui.impl; |
| |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.collect.ImmutableSet; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.link.LinkService; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| /** |
| * Message handler for link view related messages. |
| */ |
| public class LinkViewMessageHandler extends AbstractTabularViewMessageHandler { |
| |
| /** |
| * Creates a new message handler for the link messages. |
| */ |
| protected LinkViewMessageHandler() { |
| super(ImmutableSet.of("linkDataRequest")); |
| } |
| |
| @Override |
| public void process(ObjectNode message) { |
| ObjectNode payload = payload(message); |
| String sortCol = string(payload, "sortCol", "src"); |
| String sortDir = string(payload, "sortDir", "asc"); |
| |
| LinkService service = get(LinkService.class); |
| TableRow[] rows = generateTableRows(service); |
| RowComparator rc = |
| new RowComparator(sortCol, RowComparator.direction(sortDir)); |
| Arrays.sort(rows, rc); |
| ArrayNode links = generateArrayNode(rows); |
| ObjectNode rootNode = mapper.createObjectNode(); |
| rootNode.set("links", links); |
| |
| connection().sendMessage("linkDataResponse", 0, rootNode); |
| } |
| |
| private TableRow[] generateTableRows(LinkService service) { |
| List<TableRow> list = new ArrayList<>(); |
| for (Link link : service.getLinks()) { |
| list.add(new LinkTableRow(link)); |
| } |
| return list.toArray(new TableRow[list.size()]); |
| } |
| |
| /** |
| * TableRow implementation for {@link Link links}. |
| */ |
| private static class LinkTableRow extends AbstractTableRow { |
| |
| private static final String SOURCE = "src"; |
| private static final String DEST = "dst"; |
| private static final String TYPE = "type"; |
| private static final String STATE = "state"; |
| private static final String DURABLE = "durable"; |
| |
| private static final String[] COL_IDS = { |
| SOURCE, DEST, TYPE, STATE, DURABLE |
| }; |
| |
| public LinkTableRow(Link l) { |
| ConnectPoint src = l.src(); |
| ConnectPoint dst = l.dst(); |
| |
| add(SOURCE, src.elementId().toString() + "/" + src.port().toString()); |
| add(DEST, dst.elementId().toString() + "/" + dst.port().toString()); |
| add(TYPE, l.type().toString()); |
| add(STATE, l.state().toString()); |
| add(DURABLE, Boolean.toString(l.isDurable())); |
| } |
| |
| @Override |
| protected String[] columnIds() { |
| return COL_IDS; |
| } |
| } |
| |
| } |