Sync to ub-tv-dev at lost+ hash 550cbec17259717c5453f6be1eb05736ba10ef1d am: 0550a7221b

am: c11f019e2f

Change-Id: I4645f478a402648d74c1d103f87959cd71c57ae5

1 files changed, 38 insertions, 0 deletions

diff --git a/src/com/android/tv/util/StringUtils.java b/src/com/android/tv/util/StringUtils.java
new file mode 100644
index 00000000..659807e2
--- /dev/null
+++ b/src/com/android/tv/util/StringUtils.java
@@ -0,0 +1,38 @@
+/*
+ * 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.util;
+
+/**
+ * Utility class for handling {@link String}.
+ */
+public final class StringUtils {
+
+    private StringUtils() { }
+
+    /**
+     * Returns compares two strings lexicographically and handles null values quietly.
+     */
+    public static int compare(String a, String b) {
+        if (a == null) {
+            return b == null ? 0 : -1;
+        }
+        if (b == null) {
+            return 1;
+        }
+        return a.compareTo(b);
+    }
+}