Migrate old cache to new structure

KSKInterface/src/sg/edu/smu/ksketch2/canvas/components/view/KSketch_SplashView.mxml

@@ -20,6 +20,7 @@
 		<![CDATA[
 		import sg.edu.smu.ksketch2.KSketchAssets;
 		import sg.edu.smu.ksketch2.KSketch_Config;
+		import sg.edu.smu.ksketch2.utils.KSketch_MigrateCache;
 		import sg.edu.smu.ksketch2.utils.KSketch_Preference;
 
 		private var timer:Timer;
@@ -51,6 +52,9 @@
 
 			canvasCover.visible = true;
 			stage.setAspectRatio("landscape");
+			//Migrate old cache to new cache structure if it exists
+			var migrations:KSketch_MigrateCache = new KSketch_MigrateCache();
+			migrations.migrateData();
 			if (!KSketch_Config.isMobile && !KSketch_Preference.isPrefsAvailable()) {
 				navigator.pushView(KSketch_LicenseAggrement);
 			} else {

KSKInterface/src/sg/edu/smu/ksketch2/utils/KSketch_MigrateCache.as

@@ -0,0 +1,32 @@
+/**
+ * Created by ramvibhakar on 02/08/15.
+ */
+package sg.edu.smu.ksketch2.utils {
+import flash.net.SharedObject;
+import com.adobe.serialization.json.JSON;
+import sg.edu.smu.ksketch2.canvas.controls.KSketch_CacheControl;
+
+public class KSketch_MigrateCache {
+    private var _mySOV1:SharedObject = SharedObject.getLocal("mydata");
+    private var _cacheControl:KSketch_CacheControl = new KSketch_CacheControl(null);
+    public function KSketch_MigrateCache() {
+    }
+    public function migrateData(){
+        if(_mySOV1.data){
+            if(_mySOV1.data.userSketch) {
+                var obj:Object = com.adobe.serialization.json.JSON.decode(_mySOV1.data.userSketch, true);
+                buildCacheV2(obj.sketches)
+            }
+        }
+    }
+    private function buildCacheV2(sketches:Array){
+        if(sketches){
+            for(var i:int=0; i<sketches.length;i++){
+                _cacheControl.addToCache(sketches[i]);
+            }
+            _mySOV1.clear();
+        }
+
+    }
+}
+}