/*
* 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:
*
* 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 io.netty.handler.codec.smtp;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.util.internal.UnstableApi;
The last part of a sequence of SmtpContent
s that are sent after a DATA
request. Be aware that a SmtpContent
/ LastSmtpContent
sequence must always use CRLF as line delimiter and the lines that start with a DOT must be escaped with an extra DOT as specified by RFC2821.
/**
* The last part of a sequence of {@link SmtpContent}s that are sent after a {@code DATA} request.
* Be aware that a {@link SmtpContent} / {@link LastSmtpContent} sequence must always use CRLF as line delimiter
* and the lines that start with a DOT must be escaped with an extra DOT as
* specified by <a href="https://www.ietf.org/rfc/rfc2821.txt">RFC2821</a>.
*/
@UnstableApi
public interface LastSmtpContent extends SmtpContent {
Empty LastSmtpContent
. /**
* Empty {@link LastSmtpContent}.
*/
LastSmtpContent EMPTY_LAST_CONTENT = new LastSmtpContent() {
@Override
public LastSmtpContent copy() {
return this;
}
@Override
public LastSmtpContent duplicate() {
return this;
}
@Override
public LastSmtpContent retainedDuplicate() {
return this;
}
@Override
public LastSmtpContent replace(ByteBuf content) {
return new DefaultLastSmtpContent(content);
}
@Override
public LastSmtpContent retain() {
return this;
}
@Override
public LastSmtpContent retain(int increment) {
return this;
}
@Override
public LastSmtpContent touch() {
return this;
}
@Override
public LastSmtpContent touch(Object hint) {
return this;
}
@Override
public ByteBuf content() {
return Unpooled.EMPTY_BUFFER;
}
@Override
public int refCnt() {
return 1;
}
@Override
public boolean release() {
return false;
}
@Override
public boolean release(int decrement) {
return false;
}
};
@Override
LastSmtpContent copy();
@Override
LastSmtpContent duplicate();
@Override
LastSmtpContent retainedDuplicate();
@Override
LastSmtpContent replace(ByteBuf content);
@Override
LastSmtpContent retain();
@Override
LastSmtpContent retain(int increment);
@Override
LastSmtpContent touch();
@Override
LastSmtpContent touch(Object hint);
}