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Diffstat (limited to 'src/main/java/de/thedevstack/conversationsplus/utils/MimeUtils.java')
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diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/MimeUtils.java b/src/main/java/de/thedevstack/conversationsplus/utils/MimeUtils.java
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@@ -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 de.thedevstack.conversationsplus.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);
- }
- /**
- * 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);
- }
-}