From 8e1ad8aaffc338fb178ce5e32ed5ad66bb555d69 Mon Sep 17 00:00:00 2001
From: Tae-Young Chung <ty83.chung@samsung.com>
Date: Fri, 2 Dec 2016 15:39:59 +0900
Subject: [PATCH] Avoid throwing OpenCV's exception

Change-Id: I3b5acaa4c8559e30a9775e56e819a0e5da4c0ab9
Signed-off-by: Tae-Young Chung <ty83.chung@samsung.com>
---
 mv_face/face/src/FaceRecognitionModel.cpp | 31 +++++++++++++++++++++++++++++--
 packaging/capi-media-vision.spec          |  2 +-
 2 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/mv_face/face/src/FaceRecognitionModel.cpp b/mv_face/face/src/FaceRecognitionModel.cpp
index a0754a7..2b33312 100644
--- a/mv_face/face/src/FaceRecognitionModel.cpp
+++ b/mv_face/face/src/FaceRecognitionModel.cpp
@@ -23,6 +23,7 @@
 
 #include <stdio.h>
 #include <unistd.h>
+#include <fstream>
 
 namespace MediaVision {
 namespace Face {
@@ -31,15 +32,41 @@ namespace {
 unsigned int DefaultUnisizeWidth = 200;
 unsigned int DefaultUnisizeHeight = 200;
 
+bool isEmptyAlgorithmParam(const std::string& path)
+{
+	char valid[256] = "";
+	std::ifstream ifs;
+
+	ifs.open(path.c_str());
+
+	if (!ifs.is_open()) {
+		LOGE("[%s] Can't open file.", path.c_str());
+		return true;
+	}
+
+	ifs.getline(valid, 256);
+	ifs.close();
+
+	LOGD("Validation string: %s", valid);
+	if (strlen(valid) <= 0) {
+		LOGE("algorithm params is empty.");
+		return true;
+	}
+
+	return false;
+}
+
 int CopyOpenCVAlgorithmParameters(const cv::Ptr<cv::FaceRecognizer>& srcAlg,
 		cv::Ptr<cv::FaceRecognizer>& dstAlg)
 {
-	char tempPath[1024];
+	char tempPath[1024] = "";
 
 	snprintf(tempPath, 1024, "/tmp/alg_copy_%p_%p", srcAlg.obj, dstAlg.obj);
 
 	srcAlg->save(tempPath);
-	dstAlg->load(tempPath);
+
+	if (!isEmptyAlgorithmParam(tempPath))
+		dstAlg->load(tempPath);
 
 	if (0 != remove(tempPath))
 		LOGW("Error removing serialized FaceRecognizer in %s", tempPath);
diff --git a/packaging/capi-media-vision.spec b/packaging/capi-media-vision.spec
index 59c1217..2f44fe3 100644
--- a/packaging/capi-media-vision.spec
+++ b/packaging/capi-media-vision.spec
@@ -1,6 +1,6 @@
 Name:        capi-media-vision
 Summary:     Media Vision library for Tizen Native API
-Version:     0.3.22
+Version:     0.3.23
 Release:     1
 Group:       Multimedia/Framework
 License:     Apache-2.0 and BSD-2.0
-- 
2.7.4