Completers for netcfg command
Change-Id: I925825f3ddb3ffde8fb59d8d0d4ccb9faf92fe37
diff --git a/cli/src/main/java/org/onosproject/cli/cfg/ConfigKeyCompleter.java b/cli/src/main/java/org/onosproject/cli/cfg/ConfigKeyCompleter.java
new file mode 100644
index 0000000..ff385e4
--- /dev/null
+++ b/cli/src/main/java/org/onosproject/cli/cfg/ConfigKeyCompleter.java
@@ -0,0 +1,62 @@
+/*
+ * 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.cli.cfg;
+
+import static com.google.common.base.Preconditions.checkArgument;
+
+import java.util.List;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import org.apache.karaf.shell.console.completer.ArgumentCompleter.ArgumentList;
+import org.onosproject.cli.AbstractChoicesCompleter;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.net.config.Config;
+import org.onosproject.net.config.NetworkConfigRegistry;
+import org.onosproject.net.config.SubjectFactory;
+
+import com.google.common.collect.ImmutableList;
+
+/**
+ * Network configuration config key completer.
+ *
+ * Assumes 2 argument before the one being completed is SubjectClassKey
+ * and argument right before the one being completed is SubjectKey.
+ */
+public class ConfigKeyCompleter extends AbstractChoicesCompleter {
+
+ // FIXME ConfigKeyCompleter never gets called??
+ @Override
+ protected List<String> choices() {
+ NetworkConfigRegistry service = AbstractShellCommand.get(NetworkConfigRegistry.class);
+ ArgumentList args = getArgumentList();
+
+ checkArgument(args.getCursorArgumentIndex() >= 2);
+ String subjectClassKey = args.getArguments()[args.getCursorArgumentIndex() - 2];
+
+ SubjectFactory<?> subjectFactory = service.getSubjectFactory(subjectClassKey);
+ if (subjectFactory == null) {
+ return ImmutableList.of();
+ }
+
+ String subjectKey = args.getArguments()[args.getCursorArgumentIndex() - 1];
+
+ Object subject = subjectFactory.createSubject(subjectKey);
+ Set<? extends Config<Object>> configs = service.getConfigs(subject);
+ return configs.stream().map(Config::key).collect(Collectors.toList());
+ }
+
+}