REST/CLI Implementations and Fix for remote url data

Change-Id: I0daeebdd40864179c6b923bed3da0c38f259829e
diff --git a/app/src/main/java/org/opencord/sadis/rest/SadisWebResource.java b/app/src/main/java/org/opencord/sadis/rest/SadisWebResource.java
new file mode 100644
index 0000000..971292f
--- /dev/null
+++ b/app/src/main/java/org/opencord/sadis/rest/SadisWebResource.java
@@ -0,0 +1,129 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * 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.opencord.sadis.rest;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onosproject.rest.AbstractWebResource;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import org.opencord.sadis.SubscriberAndDeviceInformationService;
+import org.opencord.sadis.SubscriberAndDeviceInformation;
+import org.onlab.util.ItemNotFoundException;
+
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.POST;
+import javax.ws.rs.DELETE;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.Consumes;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
+/**
+ * Subscriber And Device Information Service web resource.
+ */
+@Path("sadisApp")
+public class SadisWebResource extends AbstractWebResource {
+    private final ObjectNode root = mapper().createObjectNode();
+    private final ArrayNode node = root.putArray("entry");
+    private static final String SUBSCRIBER_NOT_FOUND = "Subscriber not found";
+    private final SubscriberAndDeviceInformationService service = get(SubscriberAndDeviceInformationService.class);
+
+    /**
+     * Get subscriber object.
+     *
+     * @param id
+     *            ID of the subscriber
+     *
+     * @return 200 OK
+     */
+    @GET
+    @Path("/subscriber/{id}")
+    @Produces(MediaType.APPLICATION_JSON)
+    public Response getSubscriber(@PathParam("id") String id) {
+        final SubscriberAndDeviceInformation entry = service.get(id);
+        if (entry == null) {
+           throw new ItemNotFoundException(SUBSCRIBER_NOT_FOUND);
+        }
+        node.add(codec(SubscriberAndDeviceInformation.class).encode(entry, this));
+        return ok(root).build();
+    }
+
+    /**
+      * Get subscriber object from the cache.
+      *
+      * @param id
+      *            ID of the subscriber
+      *
+      * @return 200 OK
+      */
+     @GET
+     @Path("/cache/subscriber/{id}")
+     @Produces(MediaType.APPLICATION_JSON)
+     public Response getSubscriberCache(@PathParam("id") String id) {
+         final SubscriberAndDeviceInformation entry = service.getfromCache(id);
+         if (entry == null) {
+            throw new ItemNotFoundException(SUBSCRIBER_NOT_FOUND);
+         }
+         node.add(codec(SubscriberAndDeviceInformation.class).encode(entry, this));
+         return ok(root).build();
+     }
+
+    /**
+     * Create subscriber object.
+     *
+     * @return 201 Created
+     */
+    @POST
+    @Path("/subscriber")
+    @Consumes(MediaType.APPLICATION_JSON)
+    public Response postSubscriber() {
+        try {
+            return Response.created(new URI("/subsciber/123")).build();
+        } catch (URISyntaxException e) {
+            return Response.serverError().build();
+        }
+    }
+
+    /**
+     * Delete subscriber object.
+     *
+     * @param id
+     *            ID of the subscriber
+     * @return 204 NoContent
+     */
+    @DELETE
+    @Path("/cache/subscriber/{id}")
+    public Response deleteSubscriber(@PathParam("id") String id) {
+        service.invalidateId(id);
+        return Response.noContent().build();
+    }
+
+    /**
+      * Delete all the subscriber objects.
+      *
+      * @return 204 NoContent
+      */
+    @DELETE
+    @Path("/cache/subscriber/")
+    public Response deleteAllSubscribers() {
+        service.invalidateAll();
+        return Response.noContent().build();
+    }
+}