/* | |
* Copyright 2008 the original author or authors. | |
* | |
* Licensed 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 org.mockftpserver.fake.command; | |
import org.mockftpserver.core.command.Command; | |
import org.mockftpserver.core.command.ReplyCodes; | |
import org.mockftpserver.core.session.Session; | |
import org.mockftpserver.core.util.StringUtil; | |
import java.util.Arrays; | |
import java.util.List; | |
/** | |
* CommandHandler for the HELP command. Handler logic: | |
* <ol> | |
* <li>If the optional command-name parameter is specified, then reply with 214 along with the | |
* help text configured for that command (or empty if none)</li> | |
* <li>Otherwise, reply with 214 along with the configured default help text that has been configured | |
* (or empty if none)</li> | |
* </ol> | |
* <p/> | |
* The help text is configured within the {@link org.mockftpserver.fake.FakeFtpServer}. | |
* | |
* @author Chris Mair | |
* @version $Revision$ - $Date$ | |
* @see org.mockftpserver.fake.ServerConfiguration | |
* @see org.mockftpserver.fake.FakeFtpServer | |
*/ | |
public class HelpCommandHandler extends AbstractFakeCommandHandler { | |
protected void handle(Command command, Session session) { | |
List parameters = Arrays.asList(command.getParameters()); | |
String key = StringUtil.join(parameters, " "); | |
String help = getServerConfiguration().getHelpText(key); | |
if (help == null) { | |
sendReply(session, ReplyCodes.HELP_OK, "help.noHelpTextDefined", list(key)); | |
} else { | |
sendReply(session, ReplyCodes.HELP_OK, "help", list(help)); | |
} | |
} | |
} |