diff options
Diffstat (limited to 'src/main/java/eu/siacs/conversations/utils/MimeUtils.java')
| -rw-r--r-- | src/main/java/eu/siacs/conversations/utils/MimeUtils.java | 487 |
1 files changed, 0 insertions, 487 deletions
diff --git a/src/main/java/eu/siacs/conversations/utils/MimeUtils.java b/src/main/java/eu/siacs/conversations/utils/MimeUtils.java deleted file mode 100644 index d4544424..00000000 --- a/src/main/java/eu/siacs/conversations/utils/MimeUtils.java +++ /dev/null @@ -1,487 +0,0 @@ -/* - * Copyright (C) 2010 The Android Open Source Project - * - * 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 eu.siacs.conversations.utils; -import java.io.File; -import java.io.FileInputStream; -import java.io.IOException; -import java.io.InputStream; -import java.util.HashMap; -import java.util.Map; -import java.util.Properties; -/** - * Utilities for dealing with MIME types. - * Used to implement java.net.URLConnection and android.webkit.MimeTypeMap. - */ -public final class MimeUtils { - private static final Map<String, String> mimeTypeToExtensionMap = new HashMap<String, String>(); - private static final Map<String, String> extensionToMimeTypeMap = new HashMap<String, String>(); - static { - // The following table is based on /etc/mime.types data minus - // chemical/* MIME types and MIME types that don't map to any - // file extensions. We also exclude top-level domain names to - // deal with cases like: - // - // mail.google.com/a/google.com - // - // and "active" MIME types (due to potential security issues). - // Note that this list is _not_ in alphabetical order and must not be sorted. - // The "most popular" extension must come first, so that it's the one returned - // by guessExtensionFromMimeType. - add("application/andrew-inset", "ez"); - add("application/dsptype", "tsp"); - add("application/hta", "hta"); - add("application/mac-binhex40", "hqx"); - add("application/mathematica", "nb"); - add("application/msaccess", "mdb"); - add("application/oda", "oda"); - add("application/ogg", "ogg"); - add("application/ogg", "oga"); - add("application/pdf", "pdf"); - add("application/pgp-keys", "key"); - add("application/pgp-signature", "pgp"); - add("application/pics-rules", "prf"); - add("application/pkix-cert", "cer"); - add("application/rar", "rar"); - add("application/rdf+xml", "rdf"); - add("application/rss+xml", "rss"); - add("application/zip", "zip"); - add("application/vnd.android.package-archive", "apk"); - add("application/vnd.cinderella", "cdy"); - add("application/vnd.ms-pki.stl", "stl"); - add("application/vnd.oasis.opendocument.database", "odb"); - add("application/vnd.oasis.opendocument.formula", "odf"); - add("application/vnd.oasis.opendocument.graphics", "odg"); - add("application/vnd.oasis.opendocument.graphics-template", "otg"); - add("application/vnd.oasis.opendocument.image", "odi"); - add("application/vnd.oasis.opendocument.spreadsheet", "ods"); - add("application/vnd.oasis.opendocument.spreadsheet-template", "ots"); - add("application/vnd.oasis.opendocument.text", "odt"); - add("application/vnd.oasis.opendocument.text-master", "odm"); - add("application/vnd.oasis.opendocument.text-template", "ott"); - add("application/vnd.oasis.opendocument.text-web", "oth"); - add("application/vnd.google-earth.kml+xml", "kml"); - add("application/vnd.google-earth.kmz", "kmz"); - add("application/msword", "doc"); - add("application/msword", "dot"); - add("application/vnd.openxmlformats-officedocument.wordprocessingml.document", "docx"); - add("application/vnd.openxmlformats-officedocument.wordprocessingml.template", "dotx"); - add("application/vnd.ms-excel", "xls"); - add("application/vnd.ms-excel", "xlt"); - add("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", "xlsx"); - add("application/vnd.openxmlformats-officedocument.spreadsheetml.template", "xltx"); - add("application/vnd.ms-powerpoint", "ppt"); - add("application/vnd.ms-powerpoint", "pot"); - add("application/vnd.ms-powerpoint", "pps"); - add("application/vnd.openxmlformats-officedocument.presentationml.presentation", "pptx"); - add("application/vnd.openxmlformats-officedocument.presentationml.template", "potx"); - add("application/vnd.openxmlformats-officedocument.presentationml.slideshow", "ppsx"); - add("application/vnd.rim.cod", "cod"); - add("application/vnd.smaf", "mmf"); - add("application/vnd.stardivision.calc", "sdc"); - add("application/vnd.stardivision.draw", "sda"); - add("application/vnd.stardivision.impress", "sdd"); - add("application/vnd.stardivision.impress", "sdp"); - add("application/vnd.stardivision.math", "smf"); - add("application/vnd.stardivision.writer", "sdw"); - add("application/vnd.stardivision.writer", "vor"); - add("application/vnd.stardivision.writer-global", "sgl"); - add("application/vnd.sun.xml.calc", "sxc"); - add("application/vnd.sun.xml.calc.template", "stc"); - add("application/vnd.sun.xml.draw", "sxd"); - add("application/vnd.sun.xml.draw.template", "std"); - add("application/vnd.sun.xml.impress", "sxi"); - add("application/vnd.sun.xml.impress.template", "sti"); - add("application/vnd.sun.xml.math", "sxm"); - add("application/vnd.sun.xml.writer", "sxw"); - add("application/vnd.sun.xml.writer.global", "sxg"); - add("application/vnd.sun.xml.writer.template", "stw"); - add("application/vnd.visio", "vsd"); - add("application/x-abiword", "abw"); - add("application/x-apple-diskimage", "dmg"); - add("application/x-bcpio", "bcpio"); - add("application/x-bittorrent", "torrent"); - add("application/x-cdf", "cdf"); - add("application/x-cdlink", "vcd"); - add("application/x-chess-pgn", "pgn"); - add("application/x-cpio", "cpio"); - add("application/x-debian-package", "deb"); - add("application/x-debian-package", "udeb"); - add("application/x-director", "dcr"); - add("application/x-director", "dir"); - add("application/x-director", "dxr"); - add("application/x-dms", "dms"); - add("application/x-doom", "wad"); - add("application/x-dvi", "dvi"); - add("application/x-font", "pfa"); - add("application/x-font", "pfb"); - add("application/x-font", "gsf"); - add("application/x-font", "pcf"); - add("application/x-font", "pcf.Z"); - add("application/x-freemind", "mm"); - // application/futuresplash isn't IANA, so application/x-futuresplash should come first. - add("application/x-futuresplash", "spl"); - add("application/futuresplash", "spl"); - add("application/x-gnumeric", "gnumeric"); - add("application/x-go-sgf", "sgf"); - add("application/x-graphing-calculator", "gcf"); - add("application/x-gtar", "tgz"); - add("application/x-gtar", "gtar"); - add("application/x-gtar", "taz"); - add("application/x-hdf", "hdf"); - add("application/x-ica", "ica"); - add("application/x-internet-signup", "ins"); - add("application/x-internet-signup", "isp"); - add("application/x-iphone", "iii"); - add("application/x-iso9660-image", "iso"); - add("application/x-jmol", "jmz"); - add("application/x-kchart", "chrt"); - add("application/x-killustrator", "kil"); - add("application/x-koan", "skp"); - add("application/x-koan", "skd"); - add("application/x-koan", "skt"); - add("application/x-koan", "skm"); - add("application/x-kpresenter", "kpr"); - add("application/x-kpresenter", "kpt"); - add("application/x-kspread", "ksp"); - add("application/x-kword", "kwd"); - add("application/x-kword", "kwt"); - add("application/x-latex", "latex"); - add("application/x-lha", "lha"); - add("application/x-lzh", "lzh"); - add("application/x-lzx", "lzx"); - add("application/x-maker", "frm"); - add("application/x-maker", "maker"); - add("application/x-maker", "frame"); - add("application/x-maker", "fb"); - add("application/x-maker", "book"); - add("application/x-maker", "fbdoc"); - add("application/x-mif", "mif"); - add("application/x-ms-wmd", "wmd"); - add("application/x-ms-wmz", "wmz"); - add("application/x-msi", "msi"); - add("application/x-ns-proxy-autoconfig", "pac"); - add("application/x-nwc", "nwc"); - add("application/x-object", "o"); - add("application/x-oz-application", "oza"); - add("application/x-pem-file", "pem"); - add("application/x-pkcs12", "p12"); - add("application/x-pkcs12", "pfx"); - add("application/x-pkcs7-certreqresp", "p7r"); - add("application/x-pkcs7-crl", "crl"); - add("application/x-quicktimeplayer", "qtl"); - add("application/x-shar", "shar"); - add("application/x-shockwave-flash", "swf"); - add("application/x-stuffit", "sit"); - add("application/x-sv4cpio", "sv4cpio"); - add("application/x-sv4crc", "sv4crc"); - add("application/x-tar", "tar"); - add("application/x-texinfo", "texinfo"); - add("application/x-texinfo", "texi"); - add("application/x-troff", "t"); - add("application/x-troff", "roff"); - add("application/x-troff-man", "man"); - add("application/x-ustar", "ustar"); - add("application/x-wais-source", "src"); - add("application/x-wingz", "wz"); - add("application/x-webarchive", "webarchive"); - add("application/x-webarchive-xml", "webarchivexml"); - add("application/x-x509-ca-cert", "crt"); - add("application/x-x509-user-cert", "crt"); - add("application/x-x509-server-cert", "crt"); - add("application/x-xcf", "xcf"); - add("application/x-xfig", "fig"); - add("application/xhtml+xml", "xhtml"); - add("audio/3gpp", "3gpp"); - add("audio/aac", "aac"); - add("audio/aac-adts", "aac"); - add("audio/amr", "amr"); - add("audio/amr-wb", "awb"); - add("audio/basic", "snd"); - add("audio/flac", "flac"); - add("application/x-flac", "flac"); - add("audio/imelody", "imy"); - add("audio/midi", "mid"); - add("audio/midi", "midi"); - add("audio/midi", "ota"); - add("audio/midi", "kar"); - add("audio/midi", "rtttl"); - add("audio/midi", "xmf"); - add("audio/mobile-xmf", "mxmf"); - // add ".mp3" first so it will be the default for guessExtensionFromMimeType - add("audio/mpeg", "mp3"); - add("audio/mpeg", "mpga"); - add("audio/mpeg", "mpega"); - add("audio/mpeg", "mp2"); - add("audio/mpeg", "m4a"); - add("audio/mpegurl", "m3u"); - add("audio/prs.sid", "sid"); - add("audio/x-aiff", "aif"); - add("audio/x-aiff", "aiff"); - add("audio/x-aiff", "aifc"); - add("audio/x-gsm", "gsm"); - add("audio/x-matroska", "mka"); - add("audio/x-mpegurl", "m3u"); - add("audio/x-ms-wma", "wma"); - add("audio/x-ms-wax", "wax"); - add("audio/x-pn-realaudio", "ra"); - add("audio/x-pn-realaudio", "rm"); - add("audio/x-pn-realaudio", "ram"); - add("audio/x-realaudio", "ra"); - add("audio/x-scpls", "pls"); - add("audio/x-sd2", "sd2"); - add("audio/x-wav", "wav"); - // image/bmp isn't IANA, so image/x-ms-bmp should come first. - add("image/x-ms-bmp", "bmp"); - add("image/bmp", "bmp"); - add("image/gif", "gif"); - // image/ico isn't IANA, so image/x-icon should come first. - add("image/x-icon", "ico"); - add("image/ico", "cur"); - add("image/ico", "ico"); - add("image/ief", "ief"); - // add ".jpg" first so it will be the default for guessExtensionFromMimeType - add("image/jpeg", "jpg"); - add("image/jpeg", "jpeg"); - add("image/jpeg", "jpe"); - add("image/pcx", "pcx"); - add("image/png", "png"); - add("image/svg+xml", "svg"); - add("image/svg+xml", "svgz"); - add("image/tiff", "tiff"); - add("image/tiff", "tif"); - add("image/vnd.djvu", "djvu"); - add("image/vnd.djvu", "djv"); - add("image/vnd.wap.wbmp", "wbmp"); - add("image/webp", "webp"); - add("image/x-cmu-raster", "ras"); - add("image/x-coreldraw", "cdr"); - add("image/x-coreldrawpattern", "pat"); - add("image/x-coreldrawtemplate", "cdt"); - add("image/x-corelphotopaint", "cpt"); - add("image/x-jg", "art"); - add("image/x-jng", "jng"); - add("image/x-photoshop", "psd"); - add("image/x-portable-anymap", "pnm"); - add("image/x-portable-bitmap", "pbm"); - add("image/x-portable-graymap", "pgm"); - add("image/x-portable-pixmap", "ppm"); - add("image/x-rgb", "rgb"); - add("image/x-xbitmap", "xbm"); - add("image/x-xpixmap", "xpm"); - add("image/x-xwindowdump", "xwd"); - add("model/iges", "igs"); - add("model/iges", "iges"); - add("model/mesh", "msh"); - add("model/mesh", "mesh"); - add("model/mesh", "silo"); - add("text/calendar", "ics"); - add("text/calendar", "icz"); - add("text/comma-separated-values", "csv"); - add("text/css", "css"); - add("text/html", "htm"); - add("text/html", "html"); - add("text/h323", "323"); - add("text/iuls", "uls"); - add("text/mathml", "mml"); - // add ".txt" first so it will be the default for guessExtensionFromMimeType - add("text/plain", "txt"); - add("text/plain", "asc"); - add("text/plain", "text"); - add("text/plain", "diff"); - add("text/plain", "po"); // reserve "pot" for vnd.ms-powerpoint - add("text/richtext", "rtx"); - add("text/rtf", "rtf"); - add("text/text", "phps"); - add("text/tab-separated-values", "tsv"); - add("text/xml", "xml"); - add("text/x-bibtex", "bib"); - add("text/x-boo", "boo"); - add("text/x-c++hdr", "hpp"); - add("text/x-c++hdr", "h++"); - add("text/x-c++hdr", "hxx"); - add("text/x-c++hdr", "hh"); - add("text/x-c++src", "cpp"); - add("text/x-c++src", "c++"); - add("text/x-c++src", "cc"); - add("text/x-c++src", "cxx"); - add("text/x-chdr", "h"); - add("text/x-component", "htc"); - add("text/x-csh", "csh"); - add("text/x-csrc", "c"); - add("text/x-dsrc", "d"); - add("text/x-haskell", "hs"); - add("text/x-java", "java"); - add("text/x-literate-haskell", "lhs"); - add("text/x-moc", "moc"); - add("text/x-pascal", "p"); - add("text/x-pascal", "pas"); - add("text/x-pcs-gcd", "gcd"); - add("text/x-setext", "etx"); - add("text/x-tcl", "tcl"); - add("text/x-tex", "tex"); - add("text/x-tex", "ltx"); - add("text/x-tex", "sty"); - add("text/x-tex", "cls"); - add("text/x-vcalendar", "vcs"); - add("text/x-vcard", "vcf"); - add("video/3gpp", "3gpp"); - add("video/3gpp", "3gp"); - add("video/3gpp2", "3gpp2"); - add("video/3gpp2", "3g2"); - add("video/avi", "avi"); - add("video/dl", "dl"); - add("video/dv", "dif"); - add("video/dv", "dv"); - add("video/fli", "fli"); - add("video/m4v", "m4v"); - add("video/mp2ts", "ts"); - add("video/mpeg", "mpeg"); - add("video/mpeg", "mpg"); - add("video/mpeg", "mpe"); - add("video/mp4", "mp4"); - add("video/mpeg", "VOB"); - add("video/quicktime", "qt"); - add("video/quicktime", "mov"); - add("video/vnd.mpegurl", "mxu"); - add("video/webm", "webm"); - add("video/x-la-asf", "lsf"); - add("video/x-la-asf", "lsx"); - add("video/x-matroska", "mkv"); - add("video/x-mng", "mng"); - add("video/x-ms-asf", "asf"); - add("video/x-ms-asf", "asx"); - add("video/x-ms-wm", "wm"); - add("video/x-ms-wmv", "wmv"); - add("video/x-ms-wmx", "wmx"); - add("video/x-ms-wvx", "wvx"); - add("video/x-sgi-movie", "movie"); - add("video/x-webex", "wrf"); - add("x-conference/x-cooltalk", "ice"); - add("x-epoc/x-sisx-app", "sisx"); - applyOverrides(); - } - private static void add(String mimeType, String extension) { - // If we have an existing x -> y mapping, we do not want to - // override it with another mapping x -> y2. - // If a mime type maps to several extensions - // the first extension added is considered the most popular - // so we do not want to overwrite it later. - if (!mimeTypeToExtensionMap.containsKey(mimeType)) { - mimeTypeToExtensionMap.put(mimeType, extension); - } - if (!extensionToMimeTypeMap.containsKey(extension)) { - extensionToMimeTypeMap.put(extension, mimeType); - } - } - private static InputStream getContentTypesPropertiesStream() { - // User override? - String userTable = System.getProperty("content.types.user.table"); - if (userTable != null) { - File f = new File(userTable); - if (f.exists()) { - try { - return new FileInputStream(f); - } catch (IOException ignored) { - } - } - } - // Standard location? - File f = new File(System.getProperty("java.home"), "lib" + File.separator + "content-types.properties"); - if (f.exists()) { - try { - return new FileInputStream(f); - } catch (IOException ignored) { - } - } - return null; - } - /** - * This isn't what the RI does. The RI doesn't have hard-coded defaults, so supplying your - * own "content.types.user.table" means you don't get any of the built-ins, and the built-ins - * come from "$JAVA_HOME/lib/content-types.properties". - */ - private static void applyOverrides() { - // Get the appropriate InputStream to read overrides from, if any. - InputStream stream = getContentTypesPropertiesStream(); - if (stream == null) { - return; - } - try { - try { - // Read the properties file... - Properties overrides = new Properties(); - overrides.load(stream); - // And translate its mapping to ours... - for (Map.Entry<Object, Object> entry : overrides.entrySet()) { - String extension = (String) entry.getKey(); - String mimeType = (String) entry.getValue(); - add(mimeType, extension); - } - } finally { - stream.close(); - } - } catch (IOException ignored) { - } - } - private MimeUtils() { - } - /** - * Returns true if the given MIME type has an entry in the map. - * @param mimeType A MIME type (i.e. text/plain) - * @return True iff there is a mimeType entry in the map. - */ - public static boolean hasMimeType(String mimeType) { - if (mimeType == null || mimeType.isEmpty()) { - return false; - } - return mimeTypeToExtensionMap.containsKey(mimeType); - } - /** - * Returns the MIME type for the given extension. - * @param extension A file extension without the leading '.' - * @return The MIME type for the given extension or null iff there is none. - */ - public static String guessMimeTypeFromExtension(String extension) { - if (extension == null || extension.isEmpty()) { - return null; - } - return extensionToMimeTypeMap.get(extension.toLowerCase()); - } - /** - * Returns true if the given extension has a registered MIME type. - * @param extension A file extension without the leading '.' - * @return True iff there is an extension entry in the map. - */ - public static boolean hasExtension(String extension) { - if (extension == null || extension.isEmpty()) { - return false; - } - return extensionToMimeTypeMap.containsKey(extension); - } - /** - * Returns the registered extension for the given MIME type. Note that some - * MIME types map to multiple extensions. This call will return the most - * common extension for the given MIME type. - * @param mimeType A MIME type (i.e. text/plain) - * @return The extension for the given MIME type or null iff there is none. - */ - public static String guessExtensionFromMimeType(String mimeType) { - if (mimeType == null || mimeType.isEmpty()) { - return null; - } - return mimeTypeToExtensionMap.get(mimeType); - } -} |