org.apache.hudi.org.apache.hbase.thirdparty.io.netty.handler.codec.smtp.SmtpUtils Maven / Gradle / Ivy

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/*
 * Copyright 2016 The Netty Project
 *
 * The Netty Project 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:
 *
 *   https://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.hbase.thirdparty.io.netty.handler.codec.smtp;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

final class SmtpUtils {

    static List toUnmodifiableList(CharSequence... sequences) {
        if (sequences == null || sequences.length == 0) {
            return Collections.emptyList();
        }
        return Collections.unmodifiableList(Arrays.asList(sequences));
    }

    private SmtpUtils() { }
}