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jlechner |
/* MimeTypeMapper.java -- A class for mapping file names to MIME types
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Copyright (C) 1998, 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package java.net;
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import java.util.Hashtable;
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import gnu.gcj.io.MimeTypes;
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/**
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* This non-public class is used to implement the FileNameMap interface
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* which defines a mechanism for mapping filenames to MIME types.
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*
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* @version 0.5
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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class MimeTypeMapper implements FileNameMap
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{
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/**
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* This array of strings is used to identify a MIME type based on a file
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* extension. This is list is based on the Apache mime.types file.
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*/
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protected static final String[][] mime_strings =
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{
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{ "application/mac-binhex40", "hqx" },
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{ "application/mac-compactpro", "cpt" },
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{ "application/msword", "doc" },
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{ "application/octet-stream", "bin" },
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{ "application/octet-stream", "dms" },
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{ "application/octet-stream", "lha" },
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{ "application/octet-stream", "lzh" },
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{ "application/octet-stream", "exe" },
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{ "application/octet-stream", "class" },
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{ "application/oda", "oda" },
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{ "application/pdf", "pdf" },
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{ "application/postscript", "ai" },
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{ "application/postscript", "eps" },
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{ "application/postscript", "ps" },
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{ "application/powerpoint", "ppt" },
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{ "application/rtf", "rtf" },
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{ "application/x-bcpio", "bcpio" },
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{ "application/x-cdlink", "vcd" },
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{ "application/x-compress", "Z" },
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{ "application/x-cpio", "cpio" },
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{ "application/x-csh", "csh" },
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{ "application/x-director", "dcr" },
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{ "application/x-director", "dir" },
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{ "application/x-director", "dxr" },
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{ "application/x-dvi", "dvi" },
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{ "application/x-gtar", "gtar" },
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{ "application/x-gzip", "gz" },
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{ "application/x-hdf", "hdf" },
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{ "application/x-httpd-cgi", "cgi" },
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{ "application/x-koan", "skp" },
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{ "application/x-koan", "skd" },
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{ "application/x-koan", "skt" },
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{ "application/x-koan", "skm" },
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{ "application/x-latex", "latex" },
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{ "application/x-mif", "mif" },
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{ "application/x-netcdf", "nc" },
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{ "application/x-netcdf", "cdf" },
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{ "application/x-sh", "sh" },
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{ "application/x-shar", "shar" },
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{ "application/x-stuffit", "sit" },
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{ "application/x-sv4cpio", "sv4cpio" },
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{ "application/x-sv4crc", "sv4crc" },
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{ "application/x-tar", "tar" },
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{ "application/x-tcl", "tcl" },
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{ "application/x-tex", "tex" },
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{ "application/x-texinfo", "texinfo" },
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{ "application/x-texinfo", "texi" },
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{ "application/x-troff", "t" },
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{ "application/x-troff", "tr" },
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{ "application/x-troff", "roff" },
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{ "application/x-troff-man", "man" },
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{ "application/x-troff-me", "me" },
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{ "application/x-troff-ms", "ms" },
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{ "application/x-ustar", "ustar" },
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{ "application/x-wais-source", "src" },
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{ "application/zip", "zip" },
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{ "audio/basic", "au" },
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{ "audio/basic", "snd" },
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{ "audio/mpeg", "mpga" },
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{ "audio/mpeg", "mp2" },
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{ "audio/mpeg", "mp3" },
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{ "audio/x-aiff", "aif" },
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{ "audio/x-aiff", "aiff" },
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{ "audio/x-aiff", "aifc" },
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{ "audio/x-pn-realaudio", "ram" },
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{ "audio/x-pn-realaudio-plugin", "rpm" },
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{ "audio/x-realaudio", "ra" },
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{ "audio/x-wav", "wav" },
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{ "chemical/x-pdb", "pdb" },
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{ "chemical/x-pdb", "xyz" },
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{ "image/gif", "gif" },
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{ "image/ief", "ief" },
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{ "image/jpeg", "jpeg" },
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{ "image/jpeg", "jpg" },
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{ "image/jpeg", "jpe" },
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{ "image/png", "png" },
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{ "image/tiff", "tiff" },
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{ "image/tiff", "tif" },
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{ "image/x-cmu-raster", "ras" },
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{ "image/x-portable-anymap", "pnm" },
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{ "image/x-portable-bitmap", "pbm" },
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{ "image/x-portable-graymap", "pgm" },
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{ "image/x-portable-pixmap", "ppm" },
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{ "image/x-rgb", "rgb" },
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{ "image/x-xbitmap", "xbm" },
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{ "image/x-xpixmap", "xpm" },
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{ "image/x-xwindowdump", "xwd" },
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{ "text/html", "html" },
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{ "text/html", "htm" },
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{ "text/plain", "txt" },
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{ "text/richtext", "rtx" },
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{ "text/tab-separated-values", "tsv" },
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{ "text/x-setext", "etx" },
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{ "text/x-sgml", "sgml" },
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{ "text/x-sgml", "sgm" },
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{ "video/mpeg", "mpeg" },
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{ "video/mpeg", "mpg" },
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{ "video/mpeg", "mpe" },
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{ "video/quicktime", "qt" },
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{ "video/quicktime", "mov" },
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{ "video/x-msvideo", "avi" },
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{ "video/x-sgi-movie", "movie" },
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{ "x-conference/x-cooltalk", "ice" },
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{ "x-world/x-vrml", "wrl" },
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{ "x-world/x-vrml", "vrml" }
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};
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/**
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* The MIME types above are put into this Hashtable for faster lookup.
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*/
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private static Hashtable mime_types = new Hashtable(150);
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// Static initializer to load MIME types into Hashtable
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static
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{
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for (int i = 0; i < mime_strings.length; i++)
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mime_types.put(mime_strings[i][1], mime_strings[i][0]);
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}
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/**
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* Create a new <code>MimeTypeMapper</code> object.
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*/
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public MimeTypeMapper()
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{
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// Do nothing here.
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}
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/**
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* The method returns the MIME type of the filename passed as an argument.
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* The value returned is based on the extension of the filename. The
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* default content type returned if this method cannot determine the
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* actual content type is "application/octet-stream"
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*
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* @param filename The name of the file to return the MIME type for
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*
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* @return The MIME type
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*/
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public String getContentTypeFor(String filename)
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{
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int index = filename.lastIndexOf(".");
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if (index != -1)
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{
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if (index == filename.length())
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return "application/octet-stream";
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else
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filename = filename.substring(index + 1);
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}
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String type = (String) mime_types.get(filename);
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if (type == null)
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return MimeTypes.getMimeTypeFromExtension(filename);
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else
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return type;
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}
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}
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