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/*
* 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.ObjectNode;
import com.google.common.base.Strings;
import com.google.common.collect.ImmutableSet;
import org.onosproject.net.DeviceId;
import org.onosproject.net.group.Group;
import org.onosproject.net.group.GroupBucket;
import org.onosproject.net.group.GroupService;
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.EnumFormatter;
import java.util.Collection;
import java.util.List;
/**
* Message handler for group view related messages.
*/
public class GroupViewMessageHandler extends UiMessageHandler {
private static final String GROUP_DATA_REQ = "groupDataRequest";
private static final String GROUP_DATA_RESP = "groupDataResponse";
private static final String GROUPS = "groups";
private static final String ID = "id";
private static final String APP_ID = "app_id";
private static final String STATE = "state";
private static final String TYPE = "type";
private static final String PACKETS = "packets";
private static final String BYTES = "bytes";
private static final String BUCKETS = "buckets";
private static final String[] COL_IDS = {
ID, APP_ID, STATE, TYPE, PACKETS, BYTES, BUCKETS
};
@Override
protected Collection<RequestHandler> createRequestHandlers() {
return ImmutableSet.of(new GroupDataRequest());
}
// handler for group table requests
private final class GroupDataRequest extends TableRequestHandler {
private GroupDataRequest() {
super(GROUP_DATA_REQ, GROUP_DATA_RESP, GROUPS);
}
@Override
protected String[] getColumnIds() {
return COL_IDS;
}
@Override
protected TableModel createTableModel() {
TableModel tm = super.createTableModel();
tm.setFormatter(TYPE, EnumFormatter.INSTANCE);
tm.setFormatter(BUCKETS, new BucketFormatter());
return tm;
}
@Override
protected void populateTable(TableModel tm, ObjectNode payload) {
String uri = string(payload, "devId");
if (!Strings.isNullOrEmpty(uri)) {
DeviceId deviceId = DeviceId.deviceId(uri);
GroupService gs = get(GroupService.class);
for (Group group : gs.getGroups(deviceId)) {
populateRow(tm.addRow(), group);
}
}
}
private void populateRow(TableModel.Row row, Group g) {
row.cell(ID, g.id().id())
.cell(APP_ID, g.appId().name())
.cell(STATE, g.state())
.cell(TYPE, g.type())
.cell(PACKETS, g.packets())
.cell(BYTES, g.bytes())
.cell(BUCKETS, g.buckets().buckets());
}
private final class BucketFormatter implements CellFormatter {
private static final String BREAK = "<br>";
@Override
public String format(Object value) {
StringBuilder sb = new StringBuilder();
List<GroupBucket> buckets = (List<GroupBucket>) value;
if (buckets.isEmpty()) {
return "(No buckets for this group)";
}
for (GroupBucket b : buckets) {
sb.append("Bytes: ")
.append(b.bytes())
.append(" Packets: ")
.append(b.packets())
.append(" Actions: ")
.append(b.treatment().allInstructions())
.append(BREAK);
}
return sb.toString();
}
}
}
}
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