HeloHandler.java

/*
 * 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 com.ok2c.lightmtp.impl.protocol.cmd;

import java.util.List;

import com.ok2c.lightmtp.SMTPCodes;
import com.ok2c.lightmtp.SMTPErrorException;
import com.ok2c.lightmtp.impl.protocol.ServerState;
import com.ok2c.lightmtp.protocol.Action;
import com.ok2c.lightmtp.protocol.CommandHandler;

public class HeloHandler implements CommandHandler<ServerState> {

    public HeloHandler() {
        super();
    }

    @Override
    public Action<ServerState> handle(
            final String argument, final List<String> params) throws SMTPErrorException {
        if (argument == null) {
            throw new SMTPErrorException(SMTPCodes.ERR_PERM_SYNTAX_ERR_COMMAND,
                    null,
                    "domain not given");
        }
        return new HeloAction(argument);
    }

}