chrismair | 00dc7bd | 2014-05-11 21:21:28 +0000 | [diff] [blame] | 1 | /*
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| 2 | * Copyright 2007 the original author or authors.
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 | package org.mockftpserver.stub.command;
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| 17 |
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| 18 | import org.mockftpserver.core.command.Command;
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| 19 | import org.mockftpserver.core.command.CommandHandler;
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| 20 | import org.mockftpserver.core.command.InvocationRecord;
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| 21 | import org.mockftpserver.core.command.ReplyCodes;
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| 22 | import org.mockftpserver.core.session.Session;
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| 23 |
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| 24 | /**
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| 25 | * CommandHandler for the HELP command. By default, return an empty help message,
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| 26 | * along with a reply code of 214. You can customize the returned help message by
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| 27 | * setting the <code>helpMessage</code> property.
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| 28 | * <p>
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| 29 | * Each invocation record stored by this CommandHandler includes the following data element key/values:
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| 30 | * <ul>
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| 31 | * <li>{@link #COMMAND_NAME_KEY} ("commandName") - the command name optionally submitted on
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| 32 | * the invocation (the first command parameter). May be null.
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| 33 | * </ul>
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| 34 | *
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| 35 | * @author Chris Mair
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| 36 | * @version $Revision$ - $Date$
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| 37 | */
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| 38 | public final class HelpCommandHandler extends AbstractStubCommandHandler implements CommandHandler {
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| 39 |
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| 40 | public static final String COMMAND_NAME_KEY = "commandName";
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| 41 |
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| 42 | private String helpMessage = "";
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| 43 |
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| 44 | /**
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| 45 | * Constructor. Initialize the replyCode.
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| 46 | */
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| 47 | public HelpCommandHandler() {
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| 48 | setReplyCode(ReplyCodes.HELP_OK);
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| 49 | }
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| 50 |
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| 51 | /**
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| 52 | * @see org.mockftpserver.core.command.AbstractTrackingCommandHandler#handleCommand(org.mockftpserver.core.command.Command, org.mockftpserver.core.session.Session, org.mockftpserver.core.command.InvocationRecord)
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| 53 | */
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| 54 | public void handleCommand(Command command, Session session, InvocationRecord invocationRecord) {
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| 55 | invocationRecord.set(COMMAND_NAME_KEY, command.getOptionalString(0));
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| 56 | sendReply(session, helpMessage);
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| 57 | }
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| 58 |
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| 59 | /**
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| 60 | * Set the help message String to be returned by this command
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| 61 | *
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| 62 | * @param helpMessage - the help message
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| 63 | */
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| 64 | public void setHelpMessage(String helpMessage) {
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| 65 | this.helpMessage = helpMessage;
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| 66 | }
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| 67 |
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| 68 | }
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