NNTPCommand.java

/*
 * 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
 *
 *      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.apache.commons.net.nntp;

/***
 * NNTPCommand stores a set of constants for NNTP command codes.  To interpret
 * the meaning of the codes, familiarity with RFC 977 is assumed.
 * <p>
 * @author Daniel F. Savarese
 * @author Rory Winston
 * @author Ted Wise
 ***/

public final class NNTPCommand
{

    public static final int ARTICLE   = 0;
    public static final int BODY      = 1;
    public static final int GROUP     = 2;
    public static final int HEAD      = 3;
    public static final int HELP      = 4;
    public static final int IHAVE     = 5;
    public static final int LAST      = 6;
    public static final int LIST      = 7;
    public static final int NEWGROUPS = 8;
    public static final int NEWNEWS   = 9;
    public static final int NEXT      = 10;
    public static final int POST      = 11;
    public static final int QUIT      = 12;
    public static final int SLAVE     = 13;
    public static final int STAT      = 14;
    public static final int AUTHINFO  = 15;
    public static final int XOVER     = 16;
    public static final int XHDR      = 17;

    // Cannot be instantiated
    private NNTPCommand()
    {}

    static final String[] _commands = {
        "ARTICLE", "BODY", "GROUP", "HEAD", "HELP", "IHAVE", "LAST", "LIST",
        "NEWGROUPS", "NEWNEWS", "NEXT", "POST", "QUIT", "SLAVE", "STAT",
        "AUTHINFO", "XOVER", "XHDR"
    };


    /***
     * Retrieve the NNTP protocol command string corresponding to a specified
     * command code.
     * <p>
     * @param command The command code.
     * @return The NNTP protcol command string corresponding to a specified
     *         command code.
     ***/
    public static final String getCommand(int command)
    {
        return _commands[command];
    }

}

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