/*
 * Copyright 1999-2006 University of Chicago
 * 
 * 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.dcache.ftp.client.exception;

/**
 * Indicates that the reply received from server failed to parse.
 */
public class FTPReplyParseException extends FTPException
{
    private static final long serialVersionUID = -1666767510302111418L;

    //public static final int UNSPECIFIED = 0;
    public static final int STRING_TOO_SHORT = 1;
    public static final int FIRST_3_CHARS = 2;
    public static final int UNEXPECTED_4TH_CHAR = 3;
    public static final int MESSAGE_UNPARSABLE = 4;
    private static final String[] codeExplained;

    static {
        codeExplained = new String[]{
                "Unspecified exception.",
                "Reply string too short.",
                "First 3 characters are not digits.",
                "Unexpected 4th character.",
                "Reply message unparsable"
        };
    }

    @Override
    public String getCodeExplanation(int code)
    {

        if (codeExplained.length > code)
            return codeExplained[code];
        else return "";
    }

    public FTPReplyParseException(int code)
    {
        super(code);
    }

    public FTPReplyParseException(int code, String message)
    {
        super(code, message);
    }

}