33 lines
1.0 KiB
Java
33 lines
1.0 KiB
Java
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/*
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* Copyright 2016 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec.smtp;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.List;
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final class SmtpUtils {
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static List<CharSequence> toUnmodifiableList(CharSequence... sequences) {
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if (sequences == null || sequences.length == 0) {
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return Collections.emptyList();
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}
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return Collections.unmodifiableList(Arrays.asList(sequences));
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}
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private SmtpUtils() { }
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}
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