intent-details command

- Intended to be used by ONOS-5221, ONOS-5827

Change-Id: I33ab29946907e1963cc66c451d5f1aa77760f4fe
diff --git a/cli/src/main/java/org/onosproject/cli/net/completer/IntentIdCompleter.java b/cli/src/main/java/org/onosproject/cli/net/completer/IntentIdCompleter.java
new file mode 100644
index 0000000..2d4662e
--- /dev/null
+++ b/cli/src/main/java/org/onosproject/cli/net/completer/IntentIdCompleter.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2017-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.completer;
+
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.onlab.util.Tools;
+import org.onosproject.cli.AbstractChoicesCompleter;
+import org.onosproject.cli.AbstractShellCommand;
+import org.onosproject.net.intent.Intent;
+import org.onosproject.net.intent.IntentId;
+import org.onosproject.net.intent.IntentService;
+
+/**
+ * IntentId Completer.
+ */
+public class IntentIdCompleter extends AbstractChoicesCompleter {
+
+    @Override
+    protected List<String> choices() {
+        IntentService service = AbstractShellCommand.get(IntentService.class);
+
+        return Tools.stream(service.getIntents())
+            .map(Intent::id)
+            .map(IntentId::toString)
+            .collect(Collectors.toList());
+    }
+
+}