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* Licensed to the Apache Software Foundation (ASF) under one *
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* distributed with this work for additional information *
* regarding copyright ownership. The ASF 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 *
* *
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* software distributed under the License is distributed on an *
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package org.apache.james.protocols.smtp.core;
import java.util.ArrayList;
import java.util.Collection;
import org.apache.james.protocols.smtp.SMTPResponse;
import org.apache.james.protocols.smtp.SMTPRetCode;
import org.apache.james.protocols.smtp.SMTPSession;
import org.apache.james.protocols.smtp.dsn.DSNStatus;
import org.apache.james.protocols.smtp.hook.HookResult;
import org.apache.james.protocols.smtp.hook.UnknownHook;
/**
* Default command handler for handling unknown commands
*/
public class UnknownCmdHandler extends AbstractHookableCmdHandler<UnknownHook>{
/**
* The name of the command handled by the command handler
*/
public static final String UNKNOWN_COMMAND = "UNKNOWN";
/**
* @see org.apache.james.smtpserver.protocol.CommandHandler#getImplCommands()
*/
public Collection<String> getImplCommands() {
Collection<String> implCommands = new ArrayList<String>();
implCommands.add(UNKNOWN_COMMAND);
return implCommands;
}
@Override
protected SMTPResponse doCoreCmd(SMTPSession session, String command, String parameters) {
StringBuilder result = new StringBuilder();
result.append(DSNStatus.getStatus(DSNStatus.PERMANENT, DSNStatus.DELIVERY_INVALID_CMD)).append(" Command ").append(command).append(" unrecognized.");
return new SMTPResponse(SMTPRetCode.SYNTAX_ERROR_COMMAND_UNRECOGNIZED, result);
}
@Override
protected SMTPResponse doFilterChecks(SMTPSession session, String command, String parameters) {
session.getState().put("CURR_COMMAND", command);
return null;
}
@Override
protected HookResult callHook(UnknownHook rawHook, SMTPSession session, String parameters) {
return rawHook.doUnknown(session, (String) session.getState().get("CURR_COMMAND"));
}
@Override
protected Class<UnknownHook> getHookInterface() {
return UnknownHook.class;
}
}