1 files changed, 0 insertions, 48 deletions
diff --git a/service/java/com/android/server/wifi/util/StringUtil.java b/service/java/com/android/server/wifi/util/StringUtil.java
deleted file mode 100644
index 813b85b95..000000000
--- a/service/java/com/android/server/wifi/util/StringUtil.java
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright (C) 2016 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.server.wifi.util;
-
-/** Basic string utilities */
-public class StringUtil {
-    static final byte ASCII_PRINTABLE_MIN = ' ';
-    static final byte ASCII_PRINTABLE_MAX = '~';
-
-    /** Returns true if-and-only-if |byteArray| can be safely printed as ASCII. */
-    public static boolean isAsciiPrintable(byte[] byteArray) {
-        if (byteArray == null) {
-            return true;
-        }
-
-        for (byte b : byteArray) {
-            switch (b) {
-                // Control characters which actually are printable. Fall-throughs are deliberate.
-                case 0x07:      // bell ('\a' not recognized in Java)
-                case '\f':      // form feed
-                case '\n':      // new line
-                case '\t':      // horizontal tab
-                case 0x0b:      // vertical tab ('\v' not recognized in Java)
-                    continue;
-            }
-
-            if (b < ASCII_PRINTABLE_MIN || b > ASCII_PRINTABLE_MAX) {
-                return false;
-            }
-        }
-
-        return true;
-    }
-}