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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.nifi.snmp.utils;

import org.snmp4j.security.UsmUser;
import org.snmp4j.smi.OctetString;

import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

public class SecurityNamesUsmReader implements UsmReader {

    private final String usmSecurityNames;

    public SecurityNamesUsmReader(String usmSecurityNames) {
        this.usmSecurityNames = usmSecurityNames;
    }

    @Override
    public List readUsm() {
        return Arrays.stream(usmSecurityNames.trim().split(","))
                .map(securityName -> new UsmUser(
                        new OctetString(securityName), null, null, null, null)
                )
                .collect(Collectors.toList());
    }
}