CORD Subscriber Demo - Support for loading local data files.

Change-Id: I902197c26060eb791d8ac872890be4268f0dd64c

@@ -48,6 +48,12 @@
             <artifactId>jersey-servlet</artifactId>
             <version>1.19</version>
         </dependency>
+
+        <dependency>
+            <groupId>commons-io</groupId>
+            <artifactId>commons-io</artifactId>
+            <version>2.4</version>
+        </dependency>
     </dependencies>
 
 </project>

@@ -32,4 +32,9 @@ public class CordWebResource {
         return Response.ok("Hello World").build();
     }
 
+    @GET
+    @Path("fake")
+    public Response fake() {
+        return Response.ok(FakeUtils.slurp("sample.json")).build();
+    }
 }

+/*
+ * 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.cord.gui;
+
+import org.apache.commons.io.IOUtils;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * Provides support for fake data.
+ */
+public class FakeUtils {
+    private static final ClassLoader CL = FakeUtils.class.getClassLoader();
+    private static final String ROOT_PATH = "/org/onosproject/cord/gui/";
+    private static final String UTF_8 = "UTF-8";
+
+    /**
+     * Returns the contents of a local file as a string.
+     *
+     * @param path file path name
+     * @return contents of file as a string
+     */
+    public static String slurp(String path) {
+        String result = "";
+        InputStream is = CL.getResourceAsStream(ROOT_PATH + path);
+        try {
+            result = IOUtils.toString(is, UTF_8);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return result;
+    }
+}

+{
+  "comment": [
+    "This is a sample JSON File",
+    "Which can contain fake data."
+  ],
+  "fake": true,
+  "numbers": [ 1, 2, 3 ],
+  "map": {
+    "x": 100,
+    "y": 200,
+    "z": 32
+  }
+}