6cd9617311
Motivation: AUTH command is used to login to a SMTP server. EMPTY command is for request with only parameter. Modifications: Add AUTH & EMPTY to SmtpCommand & SmtpRequests Update SmtpRequestEncoder#writeParameters, handle SP according to command Add unit test Result: fix #9995
115 lines
4.0 KiB
Java
115 lines
4.0 KiB
Java
/*
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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 static java.util.Objects.requireNonNull;
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import io.netty.buffer.ByteBuf;
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import io.netty.buffer.ByteBufUtil;
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import io.netty.util.AsciiString;
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import io.netty.util.internal.UnstableApi;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* The command part of a {@link SmtpRequest}.
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*/
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@UnstableApi
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public final class SmtpCommand {
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public static final SmtpCommand EHLO = new SmtpCommand(AsciiString.cached("EHLO"));
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public static final SmtpCommand HELO = new SmtpCommand(AsciiString.cached("HELO"));
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public static final SmtpCommand AUTH = new SmtpCommand(AsciiString.cached("AUTH"));
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public static final SmtpCommand MAIL = new SmtpCommand(AsciiString.cached("MAIL"));
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public static final SmtpCommand RCPT = new SmtpCommand(AsciiString.cached("RCPT"));
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public static final SmtpCommand DATA = new SmtpCommand(AsciiString.cached("DATA"));
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public static final SmtpCommand NOOP = new SmtpCommand(AsciiString.cached("NOOP"));
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public static final SmtpCommand RSET = new SmtpCommand(AsciiString.cached("RSET"));
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public static final SmtpCommand EXPN = new SmtpCommand(AsciiString.cached("EXPN"));
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public static final SmtpCommand VRFY = new SmtpCommand(AsciiString.cached("VRFY"));
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public static final SmtpCommand HELP = new SmtpCommand(AsciiString.cached("HELP"));
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public static final SmtpCommand QUIT = new SmtpCommand(AsciiString.cached("QUIT"));
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public static final SmtpCommand EMPTY = new SmtpCommand(AsciiString.cached(""));
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private static final Map<String, SmtpCommand> COMMANDS = new HashMap<>();
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static {
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COMMANDS.put(EHLO.name().toString(), EHLO);
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COMMANDS.put(HELO.name().toString(), HELO);
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COMMANDS.put(AUTH.name().toString(), AUTH);
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COMMANDS.put(MAIL.name().toString(), MAIL);
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COMMANDS.put(RCPT.name().toString(), RCPT);
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COMMANDS.put(DATA.name().toString(), DATA);
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COMMANDS.put(NOOP.name().toString(), NOOP);
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COMMANDS.put(RSET.name().toString(), RSET);
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COMMANDS.put(EXPN.name().toString(), EXPN);
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COMMANDS.put(VRFY.name().toString(), VRFY);
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COMMANDS.put(HELP.name().toString(), HELP);
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COMMANDS.put(QUIT.name().toString(), QUIT);
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COMMANDS.put(EMPTY.name().toString(), EMPTY);
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}
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/**
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* Returns the {@link SmtpCommand} for the given command name.
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*/
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public static SmtpCommand valueOf(CharSequence commandName) {
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requireNonNull(commandName, "commandName");
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SmtpCommand command = COMMANDS.get(commandName.toString());
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return command != null ? command : new SmtpCommand(AsciiString.of(commandName));
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}
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private final AsciiString name;
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private SmtpCommand(AsciiString name) {
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this.name = name;
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}
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/**
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* Return the command name.
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*/
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public AsciiString name() {
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return name;
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}
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void encode(ByteBuf buffer) {
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ByteBufUtil.writeAscii(buffer, name);
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}
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boolean isContentExpected() {
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return this.equals(DATA);
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}
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@Override
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public int hashCode() {
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return name.hashCode();
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}
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@Override
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public boolean equals(Object obj) {
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if (obj == this) {
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return true;
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}
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if (!(obj instanceof SmtpCommand)) {
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return false;
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}
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return name.contentEqualsIgnoreCase(((SmtpCommand) obj).name());
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}
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@Override
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public String toString() {
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return "SmtpCommand{name=" + name + '}';
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}
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}
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