1 /* 2 * Copyright 2016 The Netty Project 3 * 4 * The Netty Project licenses this file to you under the Apache License, 5 * version 2.0 (the "License"); you may not use this file except in compliance 6 * with the License. You may obtain a copy of the License at: 7 * 8 * https://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 13 * License for the specific language governing permissions and limitations 14 * under the License. 15 */ 16 package io.netty.handler.codec.smtp; 17 18 import io.netty.util.internal.UnstableApi; 19 20 import java.util.List; 21 22 /** 23 * An SMTP request. 24 */ 25 @UnstableApi 26 public interface SmtpRequest { 27 28 /** 29 * Returns the {@link SmtpCommand} that belongs to the request. 30 */ 31 SmtpCommand command(); 32 33 /** 34 * Returns a {@link List} which holds all the parameters of a request, which may be an empty list. 35 */ 36 List<CharSequence> parameters(); 37 }