ONOS-6159 Add command completers for v-net CLI
Change-Id: Ie048da32cdba6d2e9ed88b6d9d0404749750b0c8
diff --git a/cli/src/main/java/org/onosproject/cli/net/vnet/VirtualHostCompleter.java b/cli/src/main/java/org/onosproject/cli/net/vnet/VirtualHostCompleter.java
new file mode 100644
index 0000000..42ac811
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+++ b/cli/src/main/java/org/onosproject/cli/net/vnet/VirtualHostCompleter.java
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+/*
+ * Copyright 2016-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.cli.net.vnet;
+
+import org.apache.karaf.shell.console.completer.ArgumentCompleter.ArgumentList;
+import org.onosproject.cli.AbstractChoicesCompleter;
+import org.onosproject.incubator.net.virtual.NetworkId;
+import org.onosproject.incubator.net.virtual.VirtualHost;
+import org.onosproject.incubator.net.virtual.VirtualNetworkService;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import static org.onlab.osgi.DefaultServiceDirectory.getService;
+
+/**
+ * Virtual host completer.
+ *
+ * Assumes the first argument which can be parsed to a number is network id.
+ */
+public class VirtualHostCompleter extends AbstractChoicesCompleter {
+ @Override
+ protected List<String> choices() {
+ ArgumentList args = getArgumentList();
+ //parse argument list for network id
+ String[] argsArray = args.getArguments();
+ for (String str : argsArray) {
+ if (str.matches("[0-9]+")) {
+ long networkId = Long.valueOf(str);
+ return getSortedVirtualHosts(networkId).stream()
+ .map(virtualHost -> virtualHost.id().toString())
+ .collect(Collectors.toList());
+ }
+ }
+ return Collections.singletonList("Missing network id");
+ }
+
+ /**
+ * Returns the list of virtual hosts sorted using the host identifier.
+ *
+ * @param networkId network id
+ * @return virtual host list
+ */
+ private List<VirtualHost> getSortedVirtualHosts(long networkId) {
+ VirtualNetworkService service = getService(VirtualNetworkService.class);
+
+ List<VirtualHost> virtualHosts = new ArrayList<>();
+ virtualHosts.addAll(service.getVirtualHosts(NetworkId.networkId(networkId)));
+ return virtualHosts;
+ }
+
+}