ONOS-1819 - GUI -- Group view added (WIP). Enum Cell Formatter created.
Change-Id: I6ade17a1dfd17cf2049bafe654d6411244d4ad07
diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/GroupViewMessageHandler.java b/web/gui/src/main/java/org/onosproject/ui/impl/GroupViewMessageHandler.java
new file mode 100644
index 0000000..b61c1b7
--- /dev/null
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/GroupViewMessageHandler.java
@@ -0,0 +1,145 @@
+/*
+ * 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 org.onosproject.ui.table.cell.IntComparator;
+import org.onosproject.ui.table.cell.LongComparator;
+
+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> getHandlers() {
+ 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.setComparator(ID, IntComparator.INSTANCE);
+ tm.setComparator(PACKETS, LongComparator.INSTANCE);
+ tm.setComparator(BYTES, LongComparator.INSTANCE);
+
+ 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 COMMA = ", ";
+
+ @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(Long.toString(b.bytes()))
+ .append(" Packets: ")
+ .append(Long.toString(b.packets()))
+ .append(" Actions: ")
+ .append(b.treatment().allInstructions())
+ .append(COMMA);
+ }
+ removeTrailingComma(sb);
+
+ return sb.toString();
+ }
+
+ private StringBuilder removeTrailingComma(StringBuilder sb) {
+ int pos = sb.lastIndexOf(COMMA);
+ sb.delete(pos, sb.length());
+ return sb;
+ }
+ }
+ }
+}