| /* |
| * Copyright (C) 2017 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; |
| |
| /** |
| * Helper for translating bit-flags packed into an int |
| */ |
| public class BitMask { |
| public int value; |
| |
| public BitMask(int value) { |
| this.value = value; |
| } |
| |
| /** |
| * Clears the specifed bit, returning true if it was set |
| * |
| * @param maskBit to test and clear |
| * @return true if and only if the mask was originally set in value |
| */ |
| public boolean testAndClear(int maskBit) { |
| boolean ans = (value & maskBit) != 0; |
| value &= ~maskBit; |
| return ans; |
| } |
| } |