Support SocketIO path

Created by: crossle

Socket.io use socket.io as default path, now support more path

AndroidAsync/src/com/koushikdutta/async/http/socketio/SocketIORequest.java

@@ -23,10 +23,18 @@ public class SocketIORequest extends AsyncHttpPost {
     public SocketIORequest(String uri, String endpoint) {
         this(uri, endpoint, null);
     }
-
-    public SocketIORequest(String uri, String endpoint, String query) {
-        super(Uri.parse(uri + (query == null ? "" : "?" + query)).buildUpon().encodedPath("/socket.io/1/").build().toString());
+    
+    public SocketIORequest(String uri, String path, String endpoint, String query) {
+        super(Uri.parse(uri + (query == null ? "" : "?" + query)).buildUpon().encodedPath(getPath(path)).build().toString());
         this.endpoint = endpoint;
         this.query = query;
     }
+    
+    public SocketIORequest(String uri, String endpoint, String query) {
+        this(uri, null, endpoint, query);
+    }
+    
+    private static String getPath(String path) {
+        return TextUtils.isEmpty(path) ? "/socket.io/1/" : "/" + path + "/1/";
+    }
 }