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Apache jSieve is a server side mail filtering system implementing RFC3028. Apache jSieve is developed by the JAMES project.

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 * Licensed to the Apache Software Foundation (ASF) under one   *
 * or more contributor license agreements.  See the NOTICE file *
 * 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   *
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 * software distributed under the License is distributed on an  *
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY       *
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package org.apache.jsieve.commands;

import org.apache.jsieve.Arguments;
import org.apache.jsieve.Block;
import org.apache.jsieve.SieveContext;
import org.apache.jsieve.exception.SieveException;
import org.apache.jsieve.mail.ActionKeep;
import org.apache.jsieve.mail.MailAdapter;

/**
 * Class Keep implements the Keep Command as defined in RFC 3028, section 4.4.
 */
public class Keep extends AbstractActionCommand {

    /**
     * Constructor for Keep.
     */
    public Keep() {
        super();
    }

    /**
     * 
     * Add an ActionKeep to the List of Actions to be performed.
     * 
     * 
     * Also,
     * 
     * @see org.apache.jsieve.commands.AbstractCommand#executeBasic(MailAdapter,
     *      Arguments, Block, SieveContext)
     *      
     */
    protected Object executeBasic(MailAdapter mail, Arguments arguments,
            Block block, SieveContext context) throws SieveException {
        mail.addAction(new ActionKeep());
        return null;
    }

}