filetype.java

来自「FuncPlotter is a combined Java applicati」· Java 代码 · 共 141 行

/*====================================================================*\

FileType.java

File type enumeration.

------------------------------------------------------------------------

This file is part of FuncPlotter, a combined Java application and applet
for plotting explicit functions in one variable.
Copyright 2005-2007 Andy Morgan-Richards.

FuncPlotter is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.

This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

You should have received a copy of the GNU General Public License along
with this program.  If not, see <http://www.gnu.org/licenses/>.

\*====================================================================*/


// IMPORTS


import util.FilenameSuffixFilter;

//----------------------------------------------------------------------


// FILE TYPE ENUMERATION


enum FileType
{

////////////////////////////////////////////////////////////////////////
//  Constants
////////////////////////////////////////////////////////////////////////

    XML ( "xml",    "XML",  AppConstants.XML_FILE_SUFFIX,   AppConstants.XML_FILES_STR ),
    TEXT( "text",   "Text", AppConstants.TEXT_FILE_SUFFIX,  AppConstants.TEXT_FILES_STR );

////////////////////////////////////////////////////////////////////////
//  Constructors
////////////////////////////////////////////////////////////////////////

    private FileType( String key,
                      String text,
                      String suffix,
                      String description )
    {
        this.key = key;
        this.text = text;
        filter = new FilenameSuffixFilter( suffix, description );
    }

    //------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////
//  Class methods
////////////////////////////////////////////////////////////////////////

    public static FileType get( String key )
    {
        for ( FileType value : values( ) )
        {
            if ( value.key.equals( key ) )
                return value;
        }
        return null;
    }

    //------------------------------------------------------------------

    public static FileType get( FilenameSuffixFilter filter )
    {
        for ( FileType value : values( ) )
        {
            if ( value.filter.equals( filter ) )
                return value;
        }
        return null;
    }

    //------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////
//  Instance methods : overriding methods
////////////////////////////////////////////////////////////////////////

    public String toString( )
    {
        return text;
    }

    //------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////
//  Instance methods
////////////////////////////////////////////////////////////////////////

    public String getKey( )
    {
        return key;
    }

    //------------------------------------------------------------------

    public String getText( )
    {
        return text;
    }

    //------------------------------------------------------------------

    public FilenameSuffixFilter getFilter( )
    {
        return filter;
    }

    //------------------------------------------------------------------

////////////////////////////////////////////////////////////////////////
//  Instance variables
////////////////////////////////////////////////////////////////////////

    private String                  key;
    private String                  text;
    private FilenameSuffixFilter    filter;

}

//----------------------------------------------------------------------