[ONOS-3394] Json models for REST api

Change-Id: I69c396ae08d25e83dce31e4d2ec92cd9a28c54f5
diff --git a/web/api/src/main/resources/definitions/LinksGet.json b/web/api/src/main/resources/definitions/LinksGet.json
new file mode 100644
index 0000000..367cb67
--- /dev/null
+++ b/web/api/src/main/resources/definitions/LinksGet.json
@@ -0,0 +1,72 @@
+{
+  "type": "object",
+  "title": "links",
+  "required": [
+    "links"
+  ],
+  "properties": {
+    "links": {
+      "type": "array",
+      "xml": {
+        "name": "links",
+        "wrapped": true
+      },
+      "items": {
+        "type": "object",
+        "title": "link",
+        "required": [
+          "src",
+          "dst",
+          "type",
+          "state"
+        ],
+        "properties": {
+          "src": {
+            "type": "object",
+            "title": "src",
+            "required": [
+              "port",
+              "device"
+            ],
+            "properties": {
+              "port": {
+                "type": "string",
+                "example": "3"
+              },
+              "device": {
+                "type": "string",
+                "example": "of:0000000000000002"
+              }
+            }
+          },
+          "dst": {
+            "type": "object",
+            "title": "dst",
+            "required": [
+              "port",
+              "device"
+            ],
+            "properties": {
+              "port": {
+                "type": "string",
+                "example": "2"
+              },
+              "device": {
+                "type": "string",
+                "example": "of:0000000000000003"
+              }
+            }
+          },
+          "type": {
+            "type": "string",
+            "example": "DIRECT"
+          },
+          "state": {
+            "type": "string",
+            "example": "ACTIVE"
+          }
+        }
+      }
+    }
+  }
+}