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/* MimeTypeMapper.java -- A class for mapping file names to MIME types Copyright (C) 1998, 2006 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version. */ package java.net; import java.util.Hashtable; import gnu.gcj.io.MimeTypes; /** * 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 { /** * 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]); } /** * Create a new <code>MimeTypeMapper</code> object. */ public MimeTypeMapper() { // Do nothing here. } /** * 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 MimeTypes.getMimeTypeFromExtension(filename); else return type; } }