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/* MimeTypeMapper.java -- A class for mapping file names to MIME types
Copyright (C) 1998 Free Software Foundation, Inc.
This file is part of GNU Classpath.
GNU Classpath 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 2, or (at your option)
any later version.
GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA.
As a special exception, if you link this library with other files to
produce an executable, this library does not by itself cause the
resulting executable to be covered by the GNU General Public License.
This exception does not however invalidate any other reasons why the
executable file might be covered by the GNU General Public License. */
package java.net;
import java.util.Hashtable;
/**
* This non-public class is used to implement the FileNameMap interface
* which defines a mechanism for mapping filenames to MIME types.
*
* @version 0.5
*
* @author Aaron M. Renn (arenn@urbanophile.com)
*/
class MimeTypeMapper implements FileNameMap
{
/*************************************************************************/
/*
* Class Variables
*/
/**
* This array of strings is used to identify a MIME type based on a file
* extension. This is list is based on the Apache mime.types file.
*/
protected static final String[][] mime_strings = {
{ "application/mac-binhex40", "hqx" },
{ "application/mac-compactpro", "cpt" },
{ "application/msword", "doc" },
{ "application/octet-stream", "bin" },
{ "application/octet-stream", "dms" },
{ "application/octet-stream", "lha" },
{ "application/octet-stream", "lzh" },
{ "application/octet-stream", "exe" },
{ "application/octet-stream", "class" },
{ "application/oda", "oda" },
{ "application/pdf", "pdf" },
{ "application/postscript", "ai" },
{ "application/postscript", "eps" },
{ "application/postscript", "ps" },
{ "application/powerpoint", "ppt" },
{ "application/rtf", "rtf" },
{ "application/x-bcpio", "bcpio" },
{ "application/x-cdlink", "vcd" },
{ "application/x-compress", "Z" },
{ "application/x-cpio", "cpio" },
{ "application/x-csh", "csh" },
{ "application/x-director", "dcr" },
{ "application/x-director", "dir" },
{ "application/x-director", "dxr" },
{ "application/x-dvi", "dvi" },
{ "application/x-gtar", "gtar" },
{ "application/x-gzip", "gz" },
{ "application/x-hdf", "hdf" },
{ "application/x-httpd-cgi", "cgi" },
{ "application/x-koan", "skp" },
{ "application/x-koan", "skd" },
{ "application/x-koan", "skt" },
{ "application/x-koan", "skm" },
{ "application/x-latex", "latex" },
{ "application/x-mif", "mif" },
{ "application/x-netcdf", "nc" },
{ "application/x-netcdf", "cdf" },
{ "application/x-sh", "sh" },
{ "application/x-shar", "shar" },
{ "application/x-stuffit", "sit" },
{ "application/x-sv4cpio", "sv4cpio" },
{ "application/x-sv4crc", "sv4crc" },
{ "application/x-tar", "tar" },
{ "application/x-tcl", "tcl" },
{ "application/x-tex", "tex" },
{ "application/x-texinfo", "texinfo" },
{ "application/x-texinfo", "texi" },
{ "application/x-troff", "t" },
{ "application/x-troff", "tr" },
{ "application/x-troff", "roff" },
{ "application/x-troff-man", "man" },
{ "application/x-troff-me", "me" },
{ "application/x-troff-ms", "ms" },
{ "application/x-ustar", "ustar" },
{ "application/x-wais-source", "src" },
{ "application/zip", "zip" },
{ "audio/basic", "au" },
{ "audio/basic", "snd" },
{ "audio/mpeg", "mpga" },
{ "audio/mpeg", "mp2" },
{ "audio/mpeg", "mp3" },
{ "audio/x-aiff", "aif" },
{ "audio/x-aiff", "aiff" },
{ "audio/x-aiff", "aifc" },
{ "audio/x-pn-realaudio", "ram" },
{ "audio/x-pn-realaudio-plugin", "rpm" },
{ "audio/x-realaudio", "ra" },
{ "audio/x-wav", "wav" },
{ "chemical/x-pdb", "pdb" },
{ "chemical/x-pdb", "xyz" },
{ "image/gif", "gif" },
{ "image/ief", "ief" },
{ "image/jpeg", "jpeg" },
{ "image/jpeg", "jpg" },
{ "image/jpeg", "jpe" },
{ "image/png", "png" },
{ "image/tiff", "tiff" },
{ "image/tiff", "tif" },
{ "image/x-cmu-raster", "ras" },
{ "image/x-portable-anymap", "pnm" },
{ "image/x-portable-bitmap", "pbm" },
{ "image/x-portable-graymap", "pgm" },
{ "image/x-portable-pixmap", "ppm" },
{ "image/x-rgb", "rgb" },
{ "image/x-xbitmap", "xbm" },
{ "image/x-xpixmap", "xpm" },
{ "image/x-xwindowdump", "xwd" },
{ "text/html", "html" },
{ "text/html", "htm" },
{ "text/plain", "txt" },
{ "text/richtext", "rtx" },
{ "text/tab-separated-values", "tsv" },
{ "text/x-setext", "etx" },
{ "text/x-sgml", "sgml" },
{ "text/x-sgml", "sgm" },
{ "video/mpeg", "mpeg" },
{ "video/mpeg", "mpg" },
{ "video/mpeg", "mpe" },
{ "video/quicktime", "qt" },
{ "video/quicktime", "mov" },
{ "video/x-msvideo", "avi" },
{ "video/x-sgi-movie", "movie" },
{ "x-conference/x-cooltalk", "ice" },
{ "x-world/x-vrml", "wrl" },
{ "x-world/x-vrml", "vrml" }
};
/**
* The MIME types above are put into this Hashtable for faster lookup.
*/
private static Hashtable mime_types = new Hashtable(150);
// Static initializer to load MIME types into Hashtable
static
{
for (int i = 0; i < mime_strings.length; i++)
mime_types.put(mime_strings[i][1], mime_strings[i][0]);
}
/*************************************************************************/
/*
* Constructors
*/
/**
* A do nothing constructor
*/
public
MimeTypeMapper()
{
;
}
/*************************************************************************/
/*
* Instance Variables
*/
/**
* The method returns the MIME type of the filename passed as an argument.
* The value returned is based on the extension of the filename. The
* default content type returned if this method cannot determine the
* actual content type is "application/octet-stream"
*
* @param filename The name of the file to return the MIME type for
*
* @return The MIME type
*/
public String
getContentTypeFor(String filename)
{
int index = filename.lastIndexOf(".");
if (index != -1)
{
if (index == filename.length())
return("application/octet-stream");
else
filename = filename.substring(index + 1);
}
String type = (String)mime_types.get(filename);
if (type == null)
return("application/octet-stream");
else
return(type);
}
} // class MimeTypeMapper
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