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.buffer.ByteBuf;
19 import io.netty.buffer.ByteBufHolder;
20 import io.netty.util.internal.UnstableApi;
21
22 /**
23 * Content that is sent after the {@code DATA} request.
24 * Be aware that a {@link SmtpContent} / {@link LastSmtpContent} sequence must always use CRLF as line delimiter
25 * and the lines that start with a DOT must be escaped with an extra DOT as
26 * specified by <a href="https://www.ietf.org/rfc/rfc2821.txt">RFC2821</a>.
27 */
28 @UnstableApi
29 public interface SmtpContent extends ByteBufHolder {
30 @Override
31 SmtpContent copy();
32
33 @Override
34 SmtpContent duplicate();
35
36 @Override
37 SmtpContent retainedDuplicate();
38
39 @Override
40 SmtpContent replace(ByteBuf content);
41
42 @Override
43 SmtpContent retain();
44
45 @Override
46 SmtpContent retain(int increment);
47
48 @Override
49 SmtpContent touch();
50
51 @Override
52 SmtpContent touch(Object hint);
53 }