/*
|
* 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;
|
}
|
}
|
