nextcloud-android/src/main/java/com/owncloud/android/utils/MimeTypeUtil.java

648 lines
39 KiB
Java

/**
* ownCloud Android client application
* <p>
* Copyright (C) 2016 ownCloud Inc.
* <p>
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2,
* as published by the Free Software Foundation.
* <p>
* This program 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.
* <p>
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.owncloud.android.utils;
import android.accounts.Account;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.webkit.MimeTypeMap;
import com.owncloud.android.MainApp;
import com.owncloud.android.R;
import com.owncloud.android.datamodel.OCFile;
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
/**
* <p>Helper class for detecting the right icon for a file or folder,
* based on its mime type and file extension.</p>
*
* This class maintains all the necessary mappings fot these detections.<br/>
* In order to add further mappings, there are up to three look up maps that need further values:
* <ol>
* <li>
* {@link MimeTypeUtil#FILE_EXTENSION_TO_MIMETYPE_MAPPING}<br/>
* to add a new file extension to mime type mapping
* </li>
* <li>
* {@link MimeTypeUtil#MIMETYPE_TO_ICON_MAPPING}<br/>
* to add a new mapping of a mime type to an icon mapping
* </li>
* <li>
* {@link MimeTypeUtil#MAIN_MIMETYPE_TO_ICON_MAPPING}<br/>
* to add a new mapping for the main part of a mime type.
* This is a list of fallback mappings in case there is no mapping for the complete mime type
* </li>
* </ol>
*/
@SuppressWarnings("PMD.AvoidDuplicateLiterals")
public class MimeTypeUtil {
/** Mapping: icon for mime type */
private static final Map<String, Integer> MIMETYPE_TO_ICON_MAPPING = new HashMap<>();
/** Mapping: icon for main mime type (first part of a mime type declaration). */
private static final Map<String, Integer> MAIN_MIMETYPE_TO_ICON_MAPPING = new HashMap<>();
/** Mapping: mime type for file extension. */
private static final Map<String, List<String>> FILE_EXTENSION_TO_MIMETYPE_MAPPING = new HashMap<>();
static {
populateFileExtensionMimeTypeMapping();
populateMimeTypeIconMapping();
populateMainMimeTypeMapping();
}
/**
* Returns the Drawable of an image to use as icon associated to a known MIME type.
*
* @param mimetype MIME type string; if NULL, the method tries to guess it from the extension in filename
* @param filename Name, with extension.
* @return Drawable of an image resource.
*/
public static Drawable getFileTypeIcon(String mimetype, String filename) {
return getFileTypeIcon(mimetype, filename, null);
}
/**
* Returns the Drawable of an image to use as icon associated to a known MIME type.
*
* @param mimetype MIME type string; if NULL, the method tries to guess it from the extension in filename
* @param filename Name, with extension.
* @param account account which color should be used
* @return Drawable of an image resource.
*/
public static Drawable getFileTypeIcon(String mimetype, String filename, Account account) {
int iconId = MimeTypeUtil.getFileTypeIconId(mimetype, filename);
Drawable icon = MainApp.getAppContext().getResources().getDrawable(iconId);
if(R.drawable.file_zip == iconId) {
ThemeUtils.tintDrawable(icon, ThemeUtils.primaryColor(account));
}
return icon;
}
/**
* Returns the resource identifier of an image to use as icon associated to a known MIME type.
*
* @param mimetype MIME type string; if NULL, the method tries to guess it from the extension in filename
* @param filename Name, with extension.
* @return Identifier of an image resource.
*/
public static int getFileTypeIconId(String mimetype, String filename) {
List<String> possibleMimeTypes;
if (mimetype == null) {
possibleMimeTypes = determineMimeTypesByFilename(filename);
} else {
possibleMimeTypes = Collections.singletonList(mimetype);
}
return determineIconIdByMimeTypeList(possibleMimeTypes);
}
/**
* Returns the resource identifier of an image to use as icon associated to a type of folder.
*
* @param isSharedViaUsers flag if the folder is shared via the users system
* @param isSharedViaLink flag if the folder is publicly shared via link
* @return Identifier of an image resource.
*/
public static Drawable getFolderTypeIcon(boolean isSharedViaUsers, boolean isSharedViaLink, boolean isEncrypted) {
return getFolderTypeIcon(isSharedViaUsers, isSharedViaLink, isEncrypted, null);
}
/**
* Returns the resource identifier of an image to use as icon associated to a type of folder.
*
* @param isSharedViaUsers flag if the folder is shared via the users system
* @param isSharedViaLink flag if the folder is publicly shared via link
* @param isEncrypted flag if the folder is encrypted
* @param account account which color should be used
* @return Identifier of an image resource.
*/
public static Drawable getFolderTypeIcon(boolean isSharedViaUsers, boolean isSharedViaLink,
boolean isEncrypted, Account account) {
int drawableId;
if (isSharedViaLink) {
drawableId = R.drawable.folder_public;
} else if (isSharedViaUsers) {
drawableId = R.drawable.shared_with_me_folder;
} else if (isEncrypted) {
drawableId = R.drawable.ic_list_encrypted_folder;
} else {
drawableId = R.drawable.folder;
}
return ThemeUtils.tintDrawable(drawableId, ThemeUtils.elementColor(account));
}
public static Drawable getDefaultFolderIcon() {
return getFolderTypeIcon(false, false, false);
}
/**
* Returns a single MIME type of all the possible, by inspection of the file extension, and taking
* into account the MIME types known by ownCloud first.
*
* @param filename Name of file
* @return A single MIME type, "application/octet-stream" for unknown file extensions.
*/
public static String getBestMimeTypeByFilename(String filename) {
List<String> candidates = determineMimeTypesByFilename(filename);
if (candidates == null || candidates.size() < 1) {
return "application/octet-stream";
}
return candidates.get(0);
}
/**
* @return 'True' if the mime type defines image
*/
public static boolean isImage(String mimeType) {
return (mimeType != null && mimeType.toLowerCase(Locale.ROOT).startsWith("image/") &&
!mimeType.toLowerCase(Locale.ROOT).contains("djvu"));
}
/**
* @return 'True' the mime type defines video
*/
public static boolean isVideo(String mimeType) {
return (mimeType != null && mimeType.toLowerCase(Locale.ROOT).startsWith("video/"));
}
/**
* @return 'True' the mime type defines audio
*/
public static boolean isAudio(String mimeType) {
return (mimeType != null && mimeType.toLowerCase(Locale.ROOT).startsWith("audio/"));
}
/**
* @return 'True' if mime type defines text
*/
public static boolean isText(String mimeType) {
return (mimeType != null && mimeType.toLowerCase(Locale.ROOT).startsWith("text/"));
}
/**
* @return 'True' if mime type defines vcard
*/
public static boolean isVCard(String mimeType) {
return "text/vcard".equalsIgnoreCase(mimeType);
}
/**
* Checks if file passed is a video.
*
* @param file the file to be checked
* @return 'True' the mime type defines video
*/
public static boolean isVideo(File file) {
return isVideo(extractMimeType(file));
}
/**
* Checks if file passed is an image.
*
* @param file the file to be checked
* @return 'True' the mime type defines video
*/
public static boolean isImage(File file) {
return isImage(extractMimeType(file));
}
public static boolean isSVG(OCFile file) {
return "image/svg+xml".equalsIgnoreCase(file.getMimetype());
}
/**
* @param file the file to be analyzed
* @return 'True' if the file contains audio
*/
public static boolean isAudio(OCFile file) {
return MimeTypeUtil.isAudio(file.getMimetype());
}
/**
* @param file the file to be analyzed
* @return 'True' if the file contains video
*/
public static boolean isVideo(OCFile file) {
return MimeTypeUtil.isVideo(file.getMimetype());
}
/**
* @param file the file to be analyzed
* @return 'True' if the file contains an image
*/
public static boolean isImage(OCFile file) {
return (MimeTypeUtil.isImage(file.getMimetype())
|| MimeTypeUtil.isImage(getMimeTypeFromPath(file.getRemotePath())));
}
/**
* @param file the file to be analyzed
* @return 'True' if the file is simple text (e.g. not application-dependent, like .doc or .docx)
*/
public static boolean isText(OCFile file) {
return (MimeTypeUtil.isText(file.getMimetype())
|| MimeTypeUtil.isText(getMimeTypeFromPath(file.getRemotePath())));
}
/**
* @param file the file to be analyzed
* @return 'True' if the file is a vcard
*/
public static boolean isVCard(OCFile file) {
return isVCard(file.getMimetype()) || isVCard(getMimeTypeFromPath(file.getRemotePath()));
}
/**
* Extracts the mime type for the given file.
*
* @param file the file to be analyzed
* @return the file's mime type
*/
private static String extractMimeType(File file) {
Uri selectedUri = Uri.fromFile(file);
String fileExtension = MimeTypeMap.getFileExtensionFromUrl(selectedUri.toString().toLowerCase(Locale.ROOT));
return MimeTypeMap.getSingleton().getMimeTypeFromExtension(fileExtension);
}
/**
* determines the icon based on the mime type.
*
* @param mimetypes the mimetypes
* @return the icon id, R.drawable.file if the mime type could not be matched at all or was {@code null}
*/
private static int determineIconIdByMimeTypeList(List<String> mimetypes) {
// no mime type leads to file
if (mimetypes == null || mimetypes.size() < 1) {
return R.drawable.file;
} else {
// search for full mime type mapping
for (String mimetype : mimetypes) {
Integer iconId = MIMETYPE_TO_ICON_MAPPING.get(mimetype);
if (iconId != null) {
return iconId;
}
}
// fallback to main mime type part mapping
for (String mimetype : mimetypes) {
String mainMimetypePart = mimetype.split("/")[0];
Integer iconId = MAIN_MIMETYPE_TO_ICON_MAPPING.get(mainMimetypePart);
if (iconId != null) {
return iconId;
}
}
}
// no match found at all, falling back to file
return R.drawable.file;
}
/**
* determines the list of possible mime types for the given file, based on its extension.
*
* @param filename the file name
* @return list of possible mime types (ordered), empty list in case no mime types found
*/
private static List<String> determineMimeTypesByFilename(String filename) {
String fileExtension = getExtension(filename);
// try detecting the mimetype based on the web app logic equivalent
List<String> mimeTypeList = FILE_EXTENSION_TO_MIMETYPE_MAPPING.get(fileExtension);
if (mimeTypeList != null && mimeTypeList.size() > 0) {
return mimeTypeList;
} else {
// try detecting the mime type via android itself
String mimeType = MimeTypeMap.getSingleton().getMimeTypeFromExtension(fileExtension);
if (mimeType != null) {
return Collections.singletonList(mimeType);
} else {
return new ArrayList<>();
}
}
}
public static String getMimeTypeFromPath(String path) {
String extension = "";
int pos = path.lastIndexOf('.');
if (pos >= 0) {
extension = path.substring(pos + 1);
}
String result = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension.toLowerCase(Locale.ROOT));
return (result != null) ? result : "";
}
/**
* provides the file extension of a given filename.
*
* @param filename the filename
* @return the file extension
*/
private static String getExtension(String filename) {
return filename.substring(filename.lastIndexOf('.') + 1).toLowerCase(Locale.ROOT);
}
/**
* populates the mapping list: full mime type --> icon.
*/
private static void populateMimeTypeIconMapping() {
MIMETYPE_TO_ICON_MAPPING.put("application/coreldraw", R.drawable.file_image);
MIMETYPE_TO_ICON_MAPPING.put("application/epub+zip", R.drawable.file_text);
MIMETYPE_TO_ICON_MAPPING.put("application/font-sfnt", R.drawable.file_image);
MIMETYPE_TO_ICON_MAPPING.put("application/font-woff", R.drawable.file_image);
MIMETYPE_TO_ICON_MAPPING.put("application/illustrator", R.drawable.file_image);
MIMETYPE_TO_ICON_MAPPING.put("application/javascript", R.drawable.file_code);
MIMETYPE_TO_ICON_MAPPING.put("application/json", R.drawable.file_code);
MIMETYPE_TO_ICON_MAPPING.put("application/msaccess", R.drawable.file);
MIMETYPE_TO_ICON_MAPPING.put("application/msexcel", R.drawable.file_xls);
MIMETYPE_TO_ICON_MAPPING.put("application/mspowerpoint", R.drawable.file_ppt);
MIMETYPE_TO_ICON_MAPPING.put("application/msword", R.drawable.file_doc);
MIMETYPE_TO_ICON_MAPPING.put("application/octet-stream", R.drawable.file);
MIMETYPE_TO_ICON_MAPPING.put("application/postscript", R.drawable.file_image);
MIMETYPE_TO_ICON_MAPPING.put("application/pdf", R.drawable.file_pdf);
MIMETYPE_TO_ICON_MAPPING.put("application/rss+xml", R.drawable.file_code);
MIMETYPE_TO_ICON_MAPPING.put("application/rtf", R.drawable.file);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.android.package-archive", R.drawable.file_zip);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.ms-excel", R.drawable.file_xls);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.ms-excel.addin.macroEnabled.12", R.drawable.file_xls);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.ms-excel.sheet.binary.macroEnabled.12", R.drawable.file_xls);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.ms-excel.sheet.macroEnabled.12", R.drawable.file_xls);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.ms-excel.template.macroEnabled.12", R.drawable.file_xls);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.ms-fontobject", R.drawable.file_image);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.ms-powerpoint", R.drawable.file_ppt);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.ms-powerpoint.addin.macroEnabled.12", R.drawable.file_ppt);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.ms-powerpoint.presentation.macroEnabled.12", R.drawable.file_ppt);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.ms-powerpoint.slideshow.macroEnabled.12", R.drawable.file_ppt);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.ms-powerpoint.template.macroEnabled.12", R.drawable.file_ppt);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.ms-word.document.macroEnabled.12", R.drawable.file_doc);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.ms-word.template.macroEnabled.12", R.drawable.file_doc);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.oasis.opendocument.presentation", R.drawable.file_ppt);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.oasis.opendocument.presentation-template", R.drawable.file_ppt);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.oasis.opendocument.spreadsheet", R.drawable.file_xls);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.oasis.opendocument.spreadsheet-template", R.drawable.file_xls);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.oasis.opendocument.text", R.drawable.file_doc);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.oasis.opendocument.text-master", R.drawable.file_doc);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.oasis.opendocument.text-template", R.drawable.file_doc);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.oasis.opendocument.text-web", R.drawable.file_doc);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.openxmlformats-officedocument.presentationml.presentation", R.drawable.file_ppt);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.openxmlformats-officedocument.presentationml.slideshow", R.drawable.file_ppt);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.openxmlformats-officedocument.presentationml.template", R.drawable.file_ppt);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", R.drawable.file_xls);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.openxmlformats-officedocument.spreadsheetml.template", R.drawable.file_xls);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.openxmlformats-officedocument.wordprocessingml.document", R.drawable.file_doc);
MIMETYPE_TO_ICON_MAPPING.put("application/vnd.openxmlformats-officedocument.wordprocessingml.template", R.drawable.file_doc);
MIMETYPE_TO_ICON_MAPPING.put("application/x-7z-compressed", R.drawable.file_zip);
MIMETYPE_TO_ICON_MAPPING.put("application/x-bin", R.drawable.file_application);
MIMETYPE_TO_ICON_MAPPING.put("application/x-cbr", R.drawable.file_text);
MIMETYPE_TO_ICON_MAPPING.put("application/x-compressed", R.drawable.file_zip);
MIMETYPE_TO_ICON_MAPPING.put("application/x-dcraw", R.drawable.file_image);
MIMETYPE_TO_ICON_MAPPING.put("application/x-deb", R.drawable.file_zip);
MIMETYPE_TO_ICON_MAPPING.put("application/x-font", R.drawable.file_image);
MIMETYPE_TO_ICON_MAPPING.put("application/x-gimp", R.drawable.file_image);
MIMETYPE_TO_ICON_MAPPING.put("application/x-gzip", R.drawable.file_zip);
MIMETYPE_TO_ICON_MAPPING.put("application/x-ms-dos-executable", R.drawable.file_application);
MIMETYPE_TO_ICON_MAPPING.put("application/x-msi", R.drawable.file_application);
MIMETYPE_TO_ICON_MAPPING.put("application/x-iwork-numbers-sffnumbers", R.drawable.file_xls);
MIMETYPE_TO_ICON_MAPPING.put("application/x-iwork-keynote-sffkey", R.drawable.file_ppt);
MIMETYPE_TO_ICON_MAPPING.put("application/x-iwork-pages-sffpages", R.drawable.file_doc);
MIMETYPE_TO_ICON_MAPPING.put("application/x-perl", R.drawable.file_code);
MIMETYPE_TO_ICON_MAPPING.put("application/x-photoshop", R.drawable.file_image);
MIMETYPE_TO_ICON_MAPPING.put("application/x-php", R.drawable.file_code);
MIMETYPE_TO_ICON_MAPPING.put("application/x-rar-compressed", R.drawable.file_zip);
MIMETYPE_TO_ICON_MAPPING.put("application/x-shockwave-flash", R.drawable.file_application);
MIMETYPE_TO_ICON_MAPPING.put("application/x-tar", R.drawable.file_zip);
MIMETYPE_TO_ICON_MAPPING.put("application/x-tex", R.drawable.file_text);
MIMETYPE_TO_ICON_MAPPING.put("application/xml", R.drawable.file_text);
MIMETYPE_TO_ICON_MAPPING.put("application/yaml", R.drawable.file_code);
MIMETYPE_TO_ICON_MAPPING.put("application/zip", R.drawable.file_zip);
MIMETYPE_TO_ICON_MAPPING.put("database", R.drawable.file);
MIMETYPE_TO_ICON_MAPPING.put("httpd/unix-directory", R.drawable.folder);
MIMETYPE_TO_ICON_MAPPING.put("image/svg+xml", R.drawable.file_image);
MIMETYPE_TO_ICON_MAPPING.put("image/vector", R.drawable.file_image);
MIMETYPE_TO_ICON_MAPPING.put("text/calendar", R.drawable.file_calendar);
MIMETYPE_TO_ICON_MAPPING.put("text/css", R.drawable.file_code);
MIMETYPE_TO_ICON_MAPPING.put("text/csv", R.drawable.file_xls);
MIMETYPE_TO_ICON_MAPPING.put("text/html", R.drawable.file_code);
MIMETYPE_TO_ICON_MAPPING.put("text/vcard", R.drawable.file_vcard);
MIMETYPE_TO_ICON_MAPPING.put("text/x-c", R.drawable.file_code);
MIMETYPE_TO_ICON_MAPPING.put("text/x-c++src", R.drawable.file_code);
MIMETYPE_TO_ICON_MAPPING.put("text/x-h", R.drawable.file_code);
MIMETYPE_TO_ICON_MAPPING.put("text/x-python", R.drawable.file_code);
MIMETYPE_TO_ICON_MAPPING.put("text/x-shellscript", R.drawable.file_code);
MIMETYPE_TO_ICON_MAPPING.put("web", R.drawable.file_code);
MIMETYPE_TO_ICON_MAPPING.put(MimeType.DIRECTORY, R.drawable.folder);
}
/**
* populates the mapping list: main mime type --> icon.
*/
private static void populateMainMimeTypeMapping() {
MAIN_MIMETYPE_TO_ICON_MAPPING.put("audio", R.drawable.file_sound);
MAIN_MIMETYPE_TO_ICON_MAPPING.put("database", R.drawable.file);
MAIN_MIMETYPE_TO_ICON_MAPPING.put("httpd", R.drawable.file_zip);
MAIN_MIMETYPE_TO_ICON_MAPPING.put("image", R.drawable.file_image);
MAIN_MIMETYPE_TO_ICON_MAPPING.put("text", R.drawable.file_text);
MAIN_MIMETYPE_TO_ICON_MAPPING.put("video", R.drawable.file_movie);
MAIN_MIMETYPE_TO_ICON_MAPPING.put("web", R.drawable.file_code);
}
/**
* populates the mapping list: file extension --> mime type.
*/
private static void populateFileExtensionMimeTypeMapping() {
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("3gp", Collections.singletonList("video/3gpp"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("7z", Collections.singletonList("application/x-7z-compressed"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("accdb", Collections.singletonList("application/msaccess"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("ai", Collections.singletonList("application/illustrator"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("apk", Collections.singletonList("application/vnd.android.package-archive"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("arw", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("avi", Collections.singletonList("video/x-msvideo"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("bash", Collections.singletonList("text/x-shellscript"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("blend", Collections.singletonList("application/x-blender"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("bin", Collections.singletonList("application/x-bin"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("bmp", Collections.singletonList("image/bmp"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("bpg", Collections.singletonList("image/bpg"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("cb7", Collections.singletonList("application/x-cbr"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("cba", Collections.singletonList("application/x-cbr"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("cbr", Collections.singletonList("application/x-cbr"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("cbt", Collections.singletonList("application/x-cbr"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("cbtc", Collections.singletonList("application/x-cbr"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("cbz", Collections.singletonList("application/x-cbr"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("cc", Collections.singletonList("text/x-c"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("cdr", Collections.singletonList("application/coreldraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("cnf", Collections.singletonList("text/plain"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("conf", Collections.singletonList("text/plain"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("cpp", Collections.singletonList("text/x-c++src"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("cr2", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("css", Collections.singletonList("text/css"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("csv", Collections.singletonList("text/csv"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("cvbdl", Collections.singletonList("application/x-cbr"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("c", Collections.singletonList("text/x-c"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("c++", Collections.singletonList("text/x-c++src"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("dcr", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("deb", Collections.singletonList("application/x-deb"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("dng", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("doc", Collections.singletonList("application/msword"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("docm", Collections.singletonList("application/vnd.ms-word.document.macroEnabled.12"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("docx", Collections.singletonList("application/vnd.openxmlformats-officedocument.wordprocessingml.document"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("dot", Collections.singletonList("application/msword"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("dotx", Collections.singletonList("application/vnd.openxmlformats-officedocument.wordprocessingml.template"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("dv", Collections.singletonList("video/dv"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("eot", Collections.singletonList("application/vnd.ms-fontobject"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("epub", Collections.singletonList("application/epub+zip"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("eps", Collections.singletonList("application/postscript"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("erf", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("exe", Collections.singletonList("application/x-ms-dos-executable"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("flac", Collections.singletonList("audio/flac"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("flv", Collections.singletonList("video/x-flv"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("gif", Collections.singletonList("image/gif"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("gz", Collections.singletonList("application/x-gzip"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("gzip", Collections.singletonList("application/x-gzip"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("h", Collections.singletonList("text/x-h"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("hh", Collections.singletonList("text/x-h"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("html", Arrays.asList("text/html", "text/plain"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("htm", Arrays.asList("text/html", "text/plain"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("ical", Collections.singletonList("text/calendar"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("ics", Collections.singletonList("text/calendar"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("iiq", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("impress", Collections.singletonList("text/impress"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("jpeg", Collections.singletonList("image/jpeg"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("jpg", Collections.singletonList("image/jpeg"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("jps", Collections.singletonList("image/jpeg"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("js", Arrays.asList("application/javascript", "text/plain"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("json", Arrays.asList("application/json", "text/plain"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("k25", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("kdc", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("key", Collections.singletonList("application/x-iwork-keynote-sffkey"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("keynote", Collections.singletonList("application/x-iwork-keynote-sffkey"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("kra", Collections.singletonList("application/x-krita"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("m2t", Collections.singletonList("video/mp2t"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("m4v", Collections.singletonList("video/mp4"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("markdown", Collections.singletonList("text/markdown"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("mdown", Collections.singletonList("text/markdown"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("md", Collections.singletonList("text/markdown"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("mdb", Collections.singletonList("application/msaccess"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("mdwn", Collections.singletonList("text/markdown"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("mkd", Collections.singletonList("text/markdown"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("mef", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("mkv", Collections.singletonList("video/x-matroska"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("mobi", Collections.singletonList("application/x-mobipocket-ebook"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("mov", Collections.singletonList("video/quicktime"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("mp3", Collections.singletonList("audio/mpeg"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("mp4", Collections.singletonList("video/mp4"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("mpeg", Collections.singletonList("video/mpeg"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("mpg", Collections.singletonList("video/mpeg"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("mpo", Collections.singletonList("image/jpeg"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("msi", Collections.singletonList("application/x-msi"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("mts", Collections.singletonList("video/MP2T"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("mt2s", Collections.singletonList("video/MP2T"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("nef", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("numbers", Collections.singletonList("application/x-iwork-numbers-sffnumbers"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("odf", Collections.singletonList("application/vnd.oasis.opendocument.formula"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("odg", Collections.singletonList("application/vnd.oasis.opendocument.graphics"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("odp", Collections.singletonList("application/vnd.oasis.opendocument.presentation"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("ods", Collections.singletonList("application/vnd.oasis.opendocument.spreadsheet"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("odt", Collections.singletonList("application/vnd.oasis.opendocument.text"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("oga", Collections.singletonList("audio/ogg"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("ogg", Collections.singletonList("audio/ogg"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("ogv", Collections.singletonList("video/ogg"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("opus", Collections.singletonList("audio/ogg"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("orf", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("otf", Collections.singletonList("application/font-sfnt"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("pages", Collections.singletonList("application/x-iwork-pages-sffpages"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("pdf", Collections.singletonList("application/pdf"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("pfb", Collections.singletonList("application/x-font"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("pef", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("php", Collections.singletonList("application/x-php"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("pl", Collections.singletonList("application/x-perl"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("png", Collections.singletonList("image/png"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("pot", Collections.singletonList("application/vnd.ms-powerpoint"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("potm", Collections.singletonList("application/vnd.ms-powerpoint.template.macroEnabled.12"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("potx", Collections.singletonList("application/vnd.openxmlformats-officedocument.presentationml.template"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("ppa", Collections.singletonList("application/vnd.ms-powerpoint"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("ppam", Collections.singletonList("application/vnd.ms-powerpoint.addin.macroEnabled.12"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("pps", Collections.singletonList("application/vnd.ms-powerpoint"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("ppsm", Collections.singletonList("application/vnd.ms-powerpoint.slideshow.macroEnabled.12"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("ppsx", Collections.singletonList("application/vnd.openxmlformats-officedocument.presentationml.slideshow"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("ppt", Collections.singletonList("application/vnd.ms-powerpoint"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("pptm", Collections.singletonList("application/vnd.ms-powerpoint.presentation.macroEnabled.12"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("pptx", Collections.singletonList("application/vnd.openxmlformats-officedocument.presentationml.presentation"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("ps", Collections.singletonList("application/postscript"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("psd", Collections.singletonList("application/x-photoshop"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("py", Collections.singletonList("text/x-python"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("raf", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("rar", Collections.singletonList("application/x-rar-compressed"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("reveal", Collections.singletonList("text/reveal"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("rtf", Collections.singletonList("application/rtf"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("rw2", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("sgf", Collections.singletonList("application/sgf"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("sh-lib", Collections.singletonList("text/x-shellscript"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("sh", Collections.singletonList("text/x-shellscript"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("srf", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("sr2", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("svg", Arrays.asList("image/svg+xml", "text/plain"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("swf", Arrays.asList("application/x-shockwave-flash", "application/octet-stream"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("tar", Collections.singletonList("application/x-tar"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("gz", Collections.singletonList("application/x-compressed"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("tex", Collections.singletonList("application/x-tex"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("tgz", Collections.singletonList("application/x-compressed"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("tiff", Collections.singletonList("image/tiff"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("tif", Collections.singletonList("image/tiff"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("ttf", Collections.singletonList("application/font-sfnt"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("txt", Collections.singletonList("text/plain"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("vcard", Collections.singletonList("text/vcard"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("vcf", Collections.singletonList("text/vcard"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("vob", Collections.singletonList("video/dvd"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("wav", Collections.singletonList("audio/wav"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("webm", Collections.singletonList("video/webm"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("woff", Collections.singletonList("application/font-woff"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("wmv", Collections.singletonList("video/x-ms-wmv"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("xcf", Collections.singletonList("application/x-gimp"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("xla", Collections.singletonList("application/vnd.ms-excel"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("xlam", Collections.singletonList("application/vnd.ms-excel.addin.macroEnabled.12"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("xls", Collections.singletonList("application/vnd.ms-excel"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("xlsb", Collections.singletonList("application/vnd.ms-excel.sheet.binary.macroEnabled.12"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("xlsm", Collections.singletonList("application/vnd.ms-excel.sheet.macroEnabled.12"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("xlsx", Collections.singletonList("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("xlt", Collections.singletonList("application/vnd.ms-excel"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("xltm", Collections.singletonList("application/vnd.ms-excel.template.macroEnabled.12"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("xltx", Collections.singletonList("application/vnd.openxmlformats-officedocument.spreadsheetml.template"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("xml", Arrays.asList("application/xml", "text/plain"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("xrf", Collections.singletonList("image/x-dcraw"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("yaml", Arrays.asList("application/yaml", "text/plain"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("yml", Arrays.asList("application/yaml", "text/plain"));
FILE_EXTENSION_TO_MIMETYPE_MAPPING.put("zip", Collections.singletonList("application/zip"));
}
}