diff options
Diffstat (limited to 'common/framework/com/android/net/module/util/ConnectivityUtils.java')
-rw-r--r-- | common/framework/com/android/net/module/util/ConnectivityUtils.java | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/common/framework/com/android/net/module/util/ConnectivityUtils.java b/common/framework/com/android/net/module/util/ConnectivityUtils.java deleted file mode 100644 index c135e466..00000000 --- a/common/framework/com/android/net/module/util/ConnectivityUtils.java +++ /dev/null @@ -1,67 +0,0 @@ -/* - * Copyright (C) 2020 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.net.module.util; - - -import android.annotation.Nullable; - -import java.net.Inet6Address; -import java.net.InetAddress; - -/** - * Various utilities used in connectivity code. - * @hide - */ -public final class ConnectivityUtils { - private ConnectivityUtils() {} - - - /** - * Return IP address and port in a string format. - */ - public static String addressAndPortToString(InetAddress address, int port) { - return String.format( - (address instanceof Inet6Address) ? "[%s]:%d" : "%s:%d", - address.getHostAddress(), port); - } - - /** - * Return true if the provided address is non-null and an IPv6 Unique Local Address (RFC4193). - */ - public static boolean isIPv6ULA(@Nullable InetAddress addr) { - return addr instanceof Inet6Address - && ((addr.getAddress()[0] & 0xfe) == 0xfc); - } - - /** - * Returns the {@code int} nearest in value to {@code value}. - * - * @param value any {@code long} value - * @return the same value cast to {@code int} if it is in the range of the {@code int} - * type, {@link Integer#MAX_VALUE} if it is too large, or {@link Integer#MIN_VALUE} if - * it is too small - */ - public static int saturatedCast(long value) { - if (value > Integer.MAX_VALUE) { - return Integer.MAX_VALUE; - } - if (value < Integer.MIN_VALUE) { - return Integer.MIN_VALUE; - } - return (int) value; - } -} |