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/*
 * Copyright 2018 Telefonaktiebolaget LM Ericsson
 *
 * 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.ericsson.bss.cassandra.ecaudit.auth;

import java.util.EnumSet;
import java.util.Set;
import java.util.stream.Collectors;

import org.apache.cassandra.auth.Permission;

final class OperationFactory
{
    private OperationFactory()
    {
        // Utility class
    }

    static Set toOperationSet(Set permissionNames)
    {
        return permissionNames
               .stream()
               .map(String::trim)
               .map(Permission::valueOf)
               .collect(Collectors.toCollection(() -> EnumSet.noneOf(Permission.class)));
    }

    static String toOperationNameCsv(Set operations)
    {
        return operations.stream()
                         .map(Permission::name)
                         .collect(Collectors.joining(","));
    }
}