1 files changed, 35 insertions, 0 deletions
diff --git a/src/com/android/tv/tuner/util/ConvertUtils.java b/src/com/android/tv/tuner/util/ConvertUtils.java
new file mode 100644
index 00000000..abf18d8c
--- /dev/null
+++ b/src/com/android/tv/tuner/util/ConvertUtils.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * 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 com.android.tv.tuner.util;
+
+/**
+ * Utility class for converting date and time.
+ */
+public class ConvertUtils {
+    // Time diff between 1.1.1970 00:00:00 and 6.1.1980 00:00:00
+    private static final long DIFF_BETWEEN_UNIX_EPOCH_AND_GPS = 315964800;
+
+    private ConvertUtils() { }
+
+    public static long convertGPSTimeToUnixEpoch(long gpsTime) {
+        return gpsTime + DIFF_BETWEEN_UNIX_EPOCH_AND_GPS;
+    }
+
+    public static long convertUnixEpochToGPSTime(long epochTime) {
+        return epochTime - DIFF_BETWEEN_UNIX_EPOCH_AND_GPS;
+    }
+}