| /* |
| * Copyright 2015-present 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.ObjectNode; |
| import com.google.common.collect.ImmutableSet; |
| import org.onlab.packet.IpAddress; |
| import org.onosproject.net.AnnotationKeys; |
| import org.onosproject.net.Host; |
| import org.onosproject.net.host.HostService; |
| import org.onosproject.ui.RequestHandler; |
| import org.onosproject.ui.UiMessageHandler; |
| import org.onosproject.ui.table.CellFormatter; |
| import org.onosproject.ui.table.TableModel; |
| import org.onosproject.ui.table.TableRequestHandler; |
| import org.onosproject.ui.table.cell.HostLocationFormatter; |
| |
| import java.util.Collection; |
| import java.util.Set; |
| |
| import static com.google.common.base.Strings.isNullOrEmpty; |
| |
| /** |
| * Message handler for host view related messages. |
| */ |
| public class HostViewMessageHandler extends UiMessageHandler { |
| |
| private static final String HOST_DATA_REQ = "hostDataRequest"; |
| private static final String HOST_DATA_RESP = "hostDataResponse"; |
| private static final String HOSTS = "hosts"; |
| |
| private static final String TYPE_IID = "_iconid_type"; |
| private static final String ID = "id"; |
| private static final String MAC = "mac"; |
| private static final String VLAN = "vlan"; |
| private static final String IPS = "ips"; |
| private static final String LOCATION = "location"; |
| |
| private static final String HOST_ICON_PREFIX = "hostIcon_"; |
| |
| private static final String[] COL_IDS = { |
| TYPE_IID, ID, MAC, VLAN, IPS, LOCATION |
| }; |
| |
| @Override |
| protected Collection<RequestHandler> createRequestHandlers() { |
| return ImmutableSet.of(new HostDataRequest()); |
| } |
| |
| // handler for host table requests |
| private final class HostDataRequest extends TableRequestHandler { |
| private static final String NO_ROWS_MESSAGE = "No hosts found"; |
| |
| private HostDataRequest() { |
| super(HOST_DATA_REQ, HOST_DATA_RESP, HOSTS); |
| } |
| |
| @Override |
| protected String[] getColumnIds() { |
| return COL_IDS; |
| } |
| |
| @Override |
| protected String noRowsMessage(ObjectNode payload) { |
| return NO_ROWS_MESSAGE; |
| } |
| |
| @Override |
| protected TableModel createTableModel() { |
| TableModel tm = super.createTableModel(); |
| tm.setFormatter(LOCATION, HostLocationFormatter.INSTANCE); |
| tm.setFormatter(IPS, new IpSetFormatter()); |
| return tm; |
| } |
| |
| @Override |
| protected void populateTable(TableModel tm, ObjectNode payload) { |
| HostService hs = get(HostService.class); |
| for (Host host : hs.getHosts()) { |
| populateRow(tm.addRow(), host); |
| } |
| } |
| |
| private void populateRow(TableModel.Row row, Host host) { |
| row.cell(TYPE_IID, getTypeIconId(host)) |
| .cell(ID, host.id()) |
| .cell(MAC, host.mac()) |
| .cell(VLAN, host.vlan()) |
| .cell(IPS, host.ipAddresses()) |
| .cell(LOCATION, host.location()); |
| } |
| |
| private String getTypeIconId(Host host) { |
| String hostType = host.annotations().value(AnnotationKeys.TYPE); |
| return HOST_ICON_PREFIX + |
| (isNullOrEmpty(hostType) ? "endstation" : hostType); |
| } |
| |
| private final class IpSetFormatter implements CellFormatter { |
| private static final String COMMA = ", "; |
| |
| @Override |
| public String format(Object value) { |
| Set<IpAddress> ips = (Set<IpAddress>) value; |
| if (ips.isEmpty()) { |
| return "(No IP Addresses for this host)"; |
| } |
| StringBuilder sb = new StringBuilder(); |
| for (IpAddress ip : ips) { |
| sb.append(ip.toString()) |
| .append(COMMA); |
| } |
| removeTrailingComma(sb); |
| return sb.toString(); |
| } |
| |
| private StringBuilder removeTrailingComma(StringBuilder sb) { |
| int pos = sb.lastIndexOf(COMMA); |
| sb.delete(pos, sb.length()); |
| return sb; |
| } |
| } |
| } |
| } |