From a5dcb60aad7f0f7e1046d802c13a21b204271891 Mon Sep 17 00:00:00 2001 From: Tobias Preuss Date: Mon, 31 Aug 2015 11:30:28 +0200 Subject: [PATCH] Convert line endings from CRLF to LF. + This commit does not introduce any code change! --- aFileChooser/res/xml/mimetypes.xml | 178 +-- .../afilechooser/utils/FileUtils.java | 1056 ++++++++--------- 2 files changed, 617 insertions(+), 617 deletions(-) diff --git a/aFileChooser/res/xml/mimetypes.xml b/aFileChooser/res/xml/mimetypes.xml index 972786d..10f50f4 100644 --- a/aFileChooser/res/xml/mimetypes.xml +++ b/aFileChooser/res/xml/mimetypes.xml @@ -1,89 +1,89 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - \ No newline at end of file + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/aFileChooser/src/com/ipaulpro/afilechooser/utils/FileUtils.java b/aFileChooser/src/com/ipaulpro/afilechooser/utils/FileUtils.java index 25c8008..9360f68 100644 --- a/aFileChooser/src/com/ipaulpro/afilechooser/utils/FileUtils.java +++ b/aFileChooser/src/com/ipaulpro/afilechooser/utils/FileUtils.java @@ -1,528 +1,528 @@ -/* - * Copyright (C) 2007-2008 OpenIntents.org - * - * 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 com.ipaulpro.afilechooser.utils; - -import android.content.ContentResolver; -import android.content.ContentUris; -import android.content.Context; -import android.content.Intent; -import android.database.Cursor; -import android.database.DatabaseUtils; -import android.graphics.Bitmap; -import android.net.Uri; -import android.os.Build; -import android.os.Environment; -import android.provider.DocumentsContract; -import android.provider.MediaStore; -import android.util.Log; -import android.webkit.MimeTypeMap; - -import com.ianhanniballake.localstorage.LocalStorageProvider; - -import java.io.File; -import java.io.FileFilter; -import java.text.DecimalFormat; -import java.util.Comparator; - -/** - * @version 2009-07-03 - * @author Peli - * @version 2013-12-11 - * @author paulburke (ipaulpro) - */ -public class FileUtils { - private FileUtils() {} //private constructor to enforce Singleton pattern - - /** TAG for log messages. */ - static final String TAG = "FileUtils"; - private static final boolean DEBUG = false; // Set to true to enable logging - - public static final String MIME_TYPE_AUDIO = "audio/*"; - public static final String MIME_TYPE_TEXT = "text/*"; - public static final String MIME_TYPE_IMAGE = "image/*"; - public static final String MIME_TYPE_VIDEO = "video/*"; - public static final String MIME_TYPE_APP = "application/*"; - - public static final String HIDDEN_PREFIX = "."; - - /** - * Gets the extension of a file name, like ".png" or ".jpg". - * - * @param uri - * @return Extension including the dot("."); "" if there is no extension; - * null if uri was null. - */ - public static String getExtension(String uri) { - if (uri == null) { - return null; - } - - int dot = uri.lastIndexOf("."); - if (dot >= 0) { - return uri.substring(dot); - } else { - // No extension. - return ""; - } - } - - /** - * @return Whether the URI is a local one. - */ - public static boolean isLocal(String url) { - if (url != null && !url.startsWith("http://") && !url.startsWith("https://")) { - return true; - } - return false; - } - - /** - * @return True if Uri is a MediaStore Uri. - * @author paulburke - */ - public static boolean isMediaUri(Uri uri) { - return "media".equalsIgnoreCase(uri.getAuthority()); - } - - /** - * Convert File into Uri. - * - * @param file - * @return uri - */ - public static Uri getUri(File file) { - if (file != null) { - return Uri.fromFile(file); - } - return null; - } - - /** - * Returns the path only (without file name). - * - * @param file - * @return - */ - public static File getPathWithoutFilename(File file) { - if (file != null) { - if (file.isDirectory()) { - // no file to be split off. Return everything - return file; - } else { - String filename = file.getName(); - String filepath = file.getAbsolutePath(); - - // Construct path without file name. - String pathwithoutname = filepath.substring(0, - filepath.length() - filename.length()); - if (pathwithoutname.endsWith("/")) { - pathwithoutname = pathwithoutname.substring(0, pathwithoutname.length() - 1); - } - return new File(pathwithoutname); - } - } - return null; - } - - /** - * @return The MIME type for the given file. - */ - public static String getMimeType(File file) { - - String extension = getExtension(file.getName()); - - if (extension.length() > 0) - return MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension.substring(1)); - - return "application/octet-stream"; - } - - /** - * @return The MIME type for the give Uri. - */ - public static String getMimeType(Context context, Uri uri) { - File file = new File(getPath(context, uri)); - return getMimeType(file); - } - - /** - * @param uri The Uri to check. - * @return Whether the Uri authority is {@link LocalStorageProvider}. - * @author paulburke - */ - public static boolean isLocalStorageDocument(Uri uri) { - return LocalStorageProvider.AUTHORITY.equals(uri.getAuthority()); - } - - /** - * @param uri The Uri to check. - * @return Whether the Uri authority is ExternalStorageProvider. - * @author paulburke - */ - public static boolean isExternalStorageDocument(Uri uri) { - return "com.android.externalstorage.documents".equals(uri.getAuthority()); - } - - /** - * @param uri The Uri to check. - * @return Whether the Uri authority is DownloadsProvider. - * @author paulburke - */ - public static boolean isDownloadsDocument(Uri uri) { - return "com.android.providers.downloads.documents".equals(uri.getAuthority()); - } - - /** - * @param uri The Uri to check. - * @return Whether the Uri authority is MediaProvider. - * @author paulburke - */ - public static boolean isMediaDocument(Uri uri) { - return "com.android.providers.media.documents".equals(uri.getAuthority()); - } - - /** - * @param uri The Uri to check. - * @return Whether the Uri authority is Google Photos. - */ - public static boolean isGooglePhotosUri(Uri uri) { - return "com.google.android.apps.photos.content".equals(uri.getAuthority()); - } - - /** - * Get the value of the data column for this Uri. This is useful for - * MediaStore Uris, and other file-based ContentProviders. - * - * @param context The context. - * @param uri The Uri to query. - * @param selection (Optional) Filter used in the query. - * @param selectionArgs (Optional) Selection arguments used in the query. - * @return The value of the _data column, which is typically a file path. - * @author paulburke - */ - public static String getDataColumn(Context context, Uri uri, String selection, - String[] selectionArgs) { - - Cursor cursor = null; - final String column = "_data"; - final String[] projection = { - column - }; - - try { - cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, - null); - if (cursor != null && cursor.moveToFirst()) { - if (DEBUG) - DatabaseUtils.dumpCursor(cursor); - - final int column_index = cursor.getColumnIndexOrThrow(column); - return cursor.getString(column_index); - } - } finally { - if (cursor != null) - cursor.close(); - } - return null; - } - - /** - * Get a file path from a Uri. This will get the the path for Storage Access - * Framework Documents, as well as the _data field for the MediaStore and - * other file-based ContentProviders.
- *
- * Callers should check whether the path is local before assuming it - * represents a local file. - * - * @param context The context. - * @param uri The Uri to query. - * @see #isLocal(String) - * @see #getFile(Context, Uri) - * @author paulburke - */ - public static String getPath(final Context context, final Uri uri) { - - if (DEBUG) - Log.d(TAG + " File -", - "Authority: " + uri.getAuthority() + - ", Fragment: " + uri.getFragment() + - ", Port: " + uri.getPort() + - ", Query: " + uri.getQuery() + - ", Scheme: " + uri.getScheme() + - ", Host: " + uri.getHost() + - ", Segments: " + uri.getPathSegments().toString() - ); - - final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT; - - // DocumentProvider - if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) { - // LocalStorageProvider - if (isLocalStorageDocument(uri)) { - // The path is the id - return DocumentsContract.getDocumentId(uri); - } - // ExternalStorageProvider - else if (isExternalStorageDocument(uri)) { - final String docId = DocumentsContract.getDocumentId(uri); - final String[] split = docId.split(":"); - final String type = split[0]; - - if ("primary".equalsIgnoreCase(type)) { - return Environment.getExternalStorageDirectory() + "/" + split[1]; - } - - // TODO handle non-primary volumes - } - // DownloadsProvider - else if (isDownloadsDocument(uri)) { - - final String id = DocumentsContract.getDocumentId(uri); - final Uri contentUri = ContentUris.withAppendedId( - Uri.parse("content://downloads/public_downloads"), Long.valueOf(id)); - - return getDataColumn(context, contentUri, null, null); - } - // MediaProvider - else if (isMediaDocument(uri)) { - final String docId = DocumentsContract.getDocumentId(uri); - final String[] split = docId.split(":"); - final String type = split[0]; - - Uri contentUri = null; - if ("image".equals(type)) { - contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI; - } else if ("video".equals(type)) { - contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI; - } else if ("audio".equals(type)) { - contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI; - } - - final String selection = "_id=?"; - final String[] selectionArgs = new String[] { - split[1] - }; - - return getDataColumn(context, contentUri, selection, selectionArgs); - } - } - // MediaStore (and general) - else if ("content".equalsIgnoreCase(uri.getScheme())) { - - // Return the remote address - if (isGooglePhotosUri(uri)) - return uri.getLastPathSegment(); - - return getDataColumn(context, uri, null, null); - } - // File - else if ("file".equalsIgnoreCase(uri.getScheme())) { - return uri.getPath(); - } - - return null; - } - - /** - * Convert Uri into File, if possible. - * - * @return file A local file that the Uri was pointing to, or null if the - * Uri is unsupported or pointed to a remote resource. - * @see #getPath(Context, Uri) - * @author paulburke - */ - public static File getFile(Context context, Uri uri) { - if (uri != null) { - String path = getPath(context, uri); - if (path != null && isLocal(path)) { - return new File(path); - } - } - return null; - } - - /** - * Get the file size in a human-readable string. - * - * @param size - * @return - * @author paulburke - */ - public static String getReadableFileSize(int size) { - final int BYTES_IN_KILOBYTES = 1024; - final DecimalFormat dec = new DecimalFormat("###.#"); - final String KILOBYTES = " KB"; - final String MEGABYTES = " MB"; - final String GIGABYTES = " GB"; - float fileSize = 0; - String suffix = KILOBYTES; - - if (size > BYTES_IN_KILOBYTES) { - fileSize = size / BYTES_IN_KILOBYTES; - if (fileSize > BYTES_IN_KILOBYTES) { - fileSize = fileSize / BYTES_IN_KILOBYTES; - if (fileSize > BYTES_IN_KILOBYTES) { - fileSize = fileSize / BYTES_IN_KILOBYTES; - suffix = GIGABYTES; - } else { - suffix = MEGABYTES; - } - } - } - return String.valueOf(dec.format(fileSize) + suffix); - } - - /** - * Attempt to retrieve the thumbnail of given File from the MediaStore. This - * should not be called on the UI thread. - * - * @param context - * @param file - * @return - * @author paulburke - */ - public static Bitmap getThumbnail(Context context, File file) { - return getThumbnail(context, getUri(file), getMimeType(file)); - } - - /** - * Attempt to retrieve the thumbnail of given Uri from the MediaStore. This - * should not be called on the UI thread. - * - * @param context - * @param uri - * @return - * @author paulburke - */ - public static Bitmap getThumbnail(Context context, Uri uri) { - return getThumbnail(context, uri, getMimeType(context, uri)); - } - - /** - * Attempt to retrieve the thumbnail of given Uri from the MediaStore. This - * should not be called on the UI thread. - * - * @param context - * @param uri - * @param mimeType - * @return - * @author paulburke - */ - public static Bitmap getThumbnail(Context context, Uri uri, String mimeType) { - if (DEBUG) - Log.d(TAG, "Attempting to get thumbnail"); - - if (!isMediaUri(uri)) { - Log.e(TAG, "You can only retrieve thumbnails for images and videos."); - return null; - } - - Bitmap bm = null; - if (uri != null) { - final ContentResolver resolver = context.getContentResolver(); - Cursor cursor = null; - try { - cursor = resolver.query(uri, null, null, null, null); - if (cursor.moveToFirst()) { - final int id = cursor.getInt(0); - if (DEBUG) - Log.d(TAG, "Got thumb ID: " + id); - - if (mimeType.contains("video")) { - bm = MediaStore.Video.Thumbnails.getThumbnail( - resolver, - id, - MediaStore.Video.Thumbnails.MINI_KIND, - null); - } - else if (mimeType.contains(FileUtils.MIME_TYPE_IMAGE)) { - bm = MediaStore.Images.Thumbnails.getThumbnail( - resolver, - id, - MediaStore.Images.Thumbnails.MINI_KIND, - null); - } - } - } catch (Exception e) { - if (DEBUG) - Log.e(TAG, "getThumbnail", e); - } finally { - if (cursor != null) - cursor.close(); - } - } - return bm; - } - - /** - * File and folder comparator. TODO Expose sorting option method - * - * @author paulburke - */ - public static Comparator sComparator = new Comparator() { - @Override - public int compare(File f1, File f2) { - // Sort alphabetically by lower case, which is much cleaner - return f1.getName().toLowerCase().compareTo( - f2.getName().toLowerCase()); - } - }; - - /** - * File (not directories) filter. - * - * @author paulburke - */ - public static FileFilter sFileFilter = new FileFilter() { - @Override - public boolean accept(File file) { - final String fileName = file.getName(); - // Return files only (not directories) and skip hidden files - return file.isFile() && !fileName.startsWith(HIDDEN_PREFIX); - } - }; - - /** - * Folder (directories) filter. - * - * @author paulburke - */ - public static FileFilter sDirFilter = new FileFilter() { - @Override - public boolean accept(File file) { - final String fileName = file.getName(); - // Return directories only and skip hidden directories - return file.isDirectory() && !fileName.startsWith(HIDDEN_PREFIX); - } - }; - - /** - * Get the Intent for selecting content to be used in an Intent Chooser. - * - * @return The intent for opening a file with Intent.createChooser() - * @author paulburke - */ - public static Intent createGetContentIntent() { - // Implicitly allow the user to select a particular kind of data - final Intent intent = new Intent(Intent.ACTION_GET_CONTENT); - // The MIME data type filter - intent.setType("*/*"); - // Only return URIs that can be opened with ContentResolver - intent.addCategory(Intent.CATEGORY_OPENABLE); - return intent; - } -} +/* + * Copyright (C) 2007-2008 OpenIntents.org + * + * 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 com.ipaulpro.afilechooser.utils; + +import android.content.ContentResolver; +import android.content.ContentUris; +import android.content.Context; +import android.content.Intent; +import android.database.Cursor; +import android.database.DatabaseUtils; +import android.graphics.Bitmap; +import android.net.Uri; +import android.os.Build; +import android.os.Environment; +import android.provider.DocumentsContract; +import android.provider.MediaStore; +import android.util.Log; +import android.webkit.MimeTypeMap; + +import com.ianhanniballake.localstorage.LocalStorageProvider; + +import java.io.File; +import java.io.FileFilter; +import java.text.DecimalFormat; +import java.util.Comparator; + +/** + * @version 2009-07-03 + * @author Peli + * @version 2013-12-11 + * @author paulburke (ipaulpro) + */ +public class FileUtils { + private FileUtils() {} //private constructor to enforce Singleton pattern + + /** TAG for log messages. */ + static final String TAG = "FileUtils"; + private static final boolean DEBUG = false; // Set to true to enable logging + + public static final String MIME_TYPE_AUDIO = "audio/*"; + public static final String MIME_TYPE_TEXT = "text/*"; + public static final String MIME_TYPE_IMAGE = "image/*"; + public static final String MIME_TYPE_VIDEO = "video/*"; + public static final String MIME_TYPE_APP = "application/*"; + + public static final String HIDDEN_PREFIX = "."; + + /** + * Gets the extension of a file name, like ".png" or ".jpg". + * + * @param uri + * @return Extension including the dot("."); "" if there is no extension; + * null if uri was null. + */ + public static String getExtension(String uri) { + if (uri == null) { + return null; + } + + int dot = uri.lastIndexOf("."); + if (dot >= 0) { + return uri.substring(dot); + } else { + // No extension. + return ""; + } + } + + /** + * @return Whether the URI is a local one. + */ + public static boolean isLocal(String url) { + if (url != null && !url.startsWith("http://") && !url.startsWith("https://")) { + return true; + } + return false; + } + + /** + * @return True if Uri is a MediaStore Uri. + * @author paulburke + */ + public static boolean isMediaUri(Uri uri) { + return "media".equalsIgnoreCase(uri.getAuthority()); + } + + /** + * Convert File into Uri. + * + * @param file + * @return uri + */ + public static Uri getUri(File file) { + if (file != null) { + return Uri.fromFile(file); + } + return null; + } + + /** + * Returns the path only (without file name). + * + * @param file + * @return + */ + public static File getPathWithoutFilename(File file) { + if (file != null) { + if (file.isDirectory()) { + // no file to be split off. Return everything + return file; + } else { + String filename = file.getName(); + String filepath = file.getAbsolutePath(); + + // Construct path without file name. + String pathwithoutname = filepath.substring(0, + filepath.length() - filename.length()); + if (pathwithoutname.endsWith("/")) { + pathwithoutname = pathwithoutname.substring(0, pathwithoutname.length() - 1); + } + return new File(pathwithoutname); + } + } + return null; + } + + /** + * @return The MIME type for the given file. + */ + public static String getMimeType(File file) { + + String extension = getExtension(file.getName()); + + if (extension.length() > 0) + return MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension.substring(1)); + + return "application/octet-stream"; + } + + /** + * @return The MIME type for the give Uri. + */ + public static String getMimeType(Context context, Uri uri) { + File file = new File(getPath(context, uri)); + return getMimeType(file); + } + + /** + * @param uri The Uri to check. + * @return Whether the Uri authority is {@link LocalStorageProvider}. + * @author paulburke + */ + public static boolean isLocalStorageDocument(Uri uri) { + return LocalStorageProvider.AUTHORITY.equals(uri.getAuthority()); + } + + /** + * @param uri The Uri to check. + * @return Whether the Uri authority is ExternalStorageProvider. + * @author paulburke + */ + public static boolean isExternalStorageDocument(Uri uri) { + return "com.android.externalstorage.documents".equals(uri.getAuthority()); + } + + /** + * @param uri The Uri to check. + * @return Whether the Uri authority is DownloadsProvider. + * @author paulburke + */ + public static boolean isDownloadsDocument(Uri uri) { + return "com.android.providers.downloads.documents".equals(uri.getAuthority()); + } + + /** + * @param uri The Uri to check. + * @return Whether the Uri authority is MediaProvider. + * @author paulburke + */ + public static boolean isMediaDocument(Uri uri) { + return "com.android.providers.media.documents".equals(uri.getAuthority()); + } + + /** + * @param uri The Uri to check. + * @return Whether the Uri authority is Google Photos. + */ + public static boolean isGooglePhotosUri(Uri uri) { + return "com.google.android.apps.photos.content".equals(uri.getAuthority()); + } + + /** + * Get the value of the data column for this Uri. This is useful for + * MediaStore Uris, and other file-based ContentProviders. + * + * @param context The context. + * @param uri The Uri to query. + * @param selection (Optional) Filter used in the query. + * @param selectionArgs (Optional) Selection arguments used in the query. + * @return The value of the _data column, which is typically a file path. + * @author paulburke + */ + public static String getDataColumn(Context context, Uri uri, String selection, + String[] selectionArgs) { + + Cursor cursor = null; + final String column = "_data"; + final String[] projection = { + column + }; + + try { + cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs, + null); + if (cursor != null && cursor.moveToFirst()) { + if (DEBUG) + DatabaseUtils.dumpCursor(cursor); + + final int column_index = cursor.getColumnIndexOrThrow(column); + return cursor.getString(column_index); + } + } finally { + if (cursor != null) + cursor.close(); + } + return null; + } + + /** + * Get a file path from a Uri. This will get the the path for Storage Access + * Framework Documents, as well as the _data field for the MediaStore and + * other file-based ContentProviders.
+ *
+ * Callers should check whether the path is local before assuming it + * represents a local file. + * + * @param context The context. + * @param uri The Uri to query. + * @see #isLocal(String) + * @see #getFile(Context, Uri) + * @author paulburke + */ + public static String getPath(final Context context, final Uri uri) { + + if (DEBUG) + Log.d(TAG + " File -", + "Authority: " + uri.getAuthority() + + ", Fragment: " + uri.getFragment() + + ", Port: " + uri.getPort() + + ", Query: " + uri.getQuery() + + ", Scheme: " + uri.getScheme() + + ", Host: " + uri.getHost() + + ", Segments: " + uri.getPathSegments().toString() + ); + + final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT; + + // DocumentProvider + if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) { + // LocalStorageProvider + if (isLocalStorageDocument(uri)) { + // The path is the id + return DocumentsContract.getDocumentId(uri); + } + // ExternalStorageProvider + else if (isExternalStorageDocument(uri)) { + final String docId = DocumentsContract.getDocumentId(uri); + final String[] split = docId.split(":"); + final String type = split[0]; + + if ("primary".equalsIgnoreCase(type)) { + return Environment.getExternalStorageDirectory() + "/" + split[1]; + } + + // TODO handle non-primary volumes + } + // DownloadsProvider + else if (isDownloadsDocument(uri)) { + + final String id = DocumentsContract.getDocumentId(uri); + final Uri contentUri = ContentUris.withAppendedId( + Uri.parse("content://downloads/public_downloads"), Long.valueOf(id)); + + return getDataColumn(context, contentUri, null, null); + } + // MediaProvider + else if (isMediaDocument(uri)) { + final String docId = DocumentsContract.getDocumentId(uri); + final String[] split = docId.split(":"); + final String type = split[0]; + + Uri contentUri = null; + if ("image".equals(type)) { + contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI; + } else if ("video".equals(type)) { + contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI; + } else if ("audio".equals(type)) { + contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI; + } + + final String selection = "_id=?"; + final String[] selectionArgs = new String[] { + split[1] + }; + + return getDataColumn(context, contentUri, selection, selectionArgs); + } + } + // MediaStore (and general) + else if ("content".equalsIgnoreCase(uri.getScheme())) { + + // Return the remote address + if (isGooglePhotosUri(uri)) + return uri.getLastPathSegment(); + + return getDataColumn(context, uri, null, null); + } + // File + else if ("file".equalsIgnoreCase(uri.getScheme())) { + return uri.getPath(); + } + + return null; + } + + /** + * Convert Uri into File, if possible. + * + * @return file A local file that the Uri was pointing to, or null if the + * Uri is unsupported or pointed to a remote resource. + * @see #getPath(Context, Uri) + * @author paulburke + */ + public static File getFile(Context context, Uri uri) { + if (uri != null) { + String path = getPath(context, uri); + if (path != null && isLocal(path)) { + return new File(path); + } + } + return null; + } + + /** + * Get the file size in a human-readable string. + * + * @param size + * @return + * @author paulburke + */ + public static String getReadableFileSize(int size) { + final int BYTES_IN_KILOBYTES = 1024; + final DecimalFormat dec = new DecimalFormat("###.#"); + final String KILOBYTES = " KB"; + final String MEGABYTES = " MB"; + final String GIGABYTES = " GB"; + float fileSize = 0; + String suffix = KILOBYTES; + + if (size > BYTES_IN_KILOBYTES) { + fileSize = size / BYTES_IN_KILOBYTES; + if (fileSize > BYTES_IN_KILOBYTES) { + fileSize = fileSize / BYTES_IN_KILOBYTES; + if (fileSize > BYTES_IN_KILOBYTES) { + fileSize = fileSize / BYTES_IN_KILOBYTES; + suffix = GIGABYTES; + } else { + suffix = MEGABYTES; + } + } + } + return String.valueOf(dec.format(fileSize) + suffix); + } + + /** + * Attempt to retrieve the thumbnail of given File from the MediaStore. This + * should not be called on the UI thread. + * + * @param context + * @param file + * @return + * @author paulburke + */ + public static Bitmap getThumbnail(Context context, File file) { + return getThumbnail(context, getUri(file), getMimeType(file)); + } + + /** + * Attempt to retrieve the thumbnail of given Uri from the MediaStore. This + * should not be called on the UI thread. + * + * @param context + * @param uri + * @return + * @author paulburke + */ + public static Bitmap getThumbnail(Context context, Uri uri) { + return getThumbnail(context, uri, getMimeType(context, uri)); + } + + /** + * Attempt to retrieve the thumbnail of given Uri from the MediaStore. This + * should not be called on the UI thread. + * + * @param context + * @param uri + * @param mimeType + * @return + * @author paulburke + */ + public static Bitmap getThumbnail(Context context, Uri uri, String mimeType) { + if (DEBUG) + Log.d(TAG, "Attempting to get thumbnail"); + + if (!isMediaUri(uri)) { + Log.e(TAG, "You can only retrieve thumbnails for images and videos."); + return null; + } + + Bitmap bm = null; + if (uri != null) { + final ContentResolver resolver = context.getContentResolver(); + Cursor cursor = null; + try { + cursor = resolver.query(uri, null, null, null, null); + if (cursor.moveToFirst()) { + final int id = cursor.getInt(0); + if (DEBUG) + Log.d(TAG, "Got thumb ID: " + id); + + if (mimeType.contains("video")) { + bm = MediaStore.Video.Thumbnails.getThumbnail( + resolver, + id, + MediaStore.Video.Thumbnails.MINI_KIND, + null); + } + else if (mimeType.contains(FileUtils.MIME_TYPE_IMAGE)) { + bm = MediaStore.Images.Thumbnails.getThumbnail( + resolver, + id, + MediaStore.Images.Thumbnails.MINI_KIND, + null); + } + } + } catch (Exception e) { + if (DEBUG) + Log.e(TAG, "getThumbnail", e); + } finally { + if (cursor != null) + cursor.close(); + } + } + return bm; + } + + /** + * File and folder comparator. TODO Expose sorting option method + * + * @author paulburke + */ + public static Comparator sComparator = new Comparator() { + @Override + public int compare(File f1, File f2) { + // Sort alphabetically by lower case, which is much cleaner + return f1.getName().toLowerCase().compareTo( + f2.getName().toLowerCase()); + } + }; + + /** + * File (not directories) filter. + * + * @author paulburke + */ + public static FileFilter sFileFilter = new FileFilter() { + @Override + public boolean accept(File file) { + final String fileName = file.getName(); + // Return files only (not directories) and skip hidden files + return file.isFile() && !fileName.startsWith(HIDDEN_PREFIX); + } + }; + + /** + * Folder (directories) filter. + * + * @author paulburke + */ + public static FileFilter sDirFilter = new FileFilter() { + @Override + public boolean accept(File file) { + final String fileName = file.getName(); + // Return directories only and skip hidden directories + return file.isDirectory() && !fileName.startsWith(HIDDEN_PREFIX); + } + }; + + /** + * Get the Intent for selecting content to be used in an Intent Chooser. + * + * @return The intent for opening a file with Intent.createChooser() + * @author paulburke + */ + public static Intent createGetContentIntent() { + // Implicitly allow the user to select a particular kind of data + final Intent intent = new Intent(Intent.ACTION_GET_CONTENT); + // The MIME data type filter + intent.setType("*/*"); + // Only return URIs that can be opened with ContentResolver + intent.addCategory(Intent.CATEGORY_OPENABLE); + return intent; + } +}