Java EnumSet to enumSetToInt(EnumSet enumSet)

Description

Encode an enum set to an integer representing a bit array.

License

Open Source License

Declaration

public static int enumSetToInt(EnumSet<?> enumSet) 

Method Source Code

//package com.java2s;
/*//from www . j  ava2s.c o m
 * Kontalk Java client
 * Copyright (C) 2014 Kontalk Devteam <devteam@kontalk.org>
    
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
    
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
    
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.util.EnumSet;

public class Main {
    /**
     * Encode an enum set to an integer representing a bit array.
     */
    public static int enumSetToInt(EnumSet<?> enumSet) {
        int b = 0;
        for (Object o : enumSet) {
            b += 1 << ((Enum) o).ordinal();
        }
        return b;
    }
}

Related

1. enumSetToStringSet(EnumSet enumSet)
2. enumsToString(EnumSet elems)