src/com/owncloud/android/utils/FileStorageUtils.java

   1 /**
   2  *   ownCloud Android client application
   3  *
   4  *   @author David A. Velasco
   5  *   Copyright (C) 2015 ownCloud Inc.
   6  *
   7  *   This program is free software: you can redistribute it and/or modify
   8  *   it under the terms of the GNU General Public License version 2,
   9  *   as published by the Free Software Foundation.
  10  *
  11  *   This program is distributed in the hope that it will be useful,
  12  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *   GNU General Public License for more details.
  15  *
  16  *   You should have received a copy of the GNU General Public License
  17  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20
  21 package com.owncloud.android.utils;
  22
  23 import java.io.File;
  24 import java.util.Collections;
  25 import java.util.Comparator;
  26 import java.util.Vector;
  27
  28 import third_parties.daveKoeller.AlphanumComparator;
  29
  30 import com.owncloud.android.MainApp;
  31 import com.owncloud.android.R;
  32 import com.owncloud.android.datamodel.OCFile;
  33 import com.owncloud.android.lib.resources.files.RemoteFile;
  34
  35 import android.annotation.SuppressLint;
  36 import android.content.Context;
  37 import android.content.SharedPreferences;
  38 import android.preference.PreferenceManager;
  39 import android.net.Uri;
  40 import android.os.Environment;
  41 import android.os.StatFs;
  42 import android.webkit.MimeTypeMap;
  43
  44
  45 /**
  46  * Static methods to help in access to local file system.
  47  */
  48 public class FileStorageUtils {
  49     public static Integer mSortOrder;
  50     public static Boolean mSortAscending;
  51     public static final Integer SORT_NAME = 0;
  52     public static final Integer SORT_DATE = 1;
  53     public static final Integer SORT_SIZE = 2;
  54
  55
  56     //private static final String LOG_TAG = "FileStorageUtils";
  57
  58     public static final String getSavePath(String accountName) {
  59         File sdCard = Environment.getExternalStorageDirectory();
  60         return sdCard.getAbsolutePath() + "/" + MainApp.getDataFolder() + "/" + Uri.encode(accountName, "@");
  61         // URL encoding is an 'easy fix' to overcome that NTFS and FAT32 don't allow ":" in file names, that can be in the accountName since 0.1.190B
  62     }
  63
  64     public static final String getDefaultSavePathFor(String accountName, OCFile file) {
  65         return getSavePath(accountName) + file.getRemotePath();
  66     }
  67
  68     public static final String getTemporalPath(String accountName) {
  69         File sdCard = Environment.getExternalStorageDirectory();
  70         return sdCard.getAbsolutePath() + "/" + MainApp.getDataFolder() + "/tmp/" + Uri.encode(accountName, "@");
  71             // URL encoding is an 'easy fix' to overcome that NTFS and FAT32 don't allow ":" in file names, that can be in the accountName since 0.1.190B
  72     }
  73
  74     @SuppressLint("NewApi")
  75     public static final long getUsableSpace(String accountName) {
  76         File savePath = Environment.getExternalStorageDirectory();
  77         if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.GINGERBREAD) {
  78             return savePath.getUsableSpace();
  79
  80         } else {
  81             StatFs stats = new StatFs(savePath.getAbsolutePath());
  82             return stats.getAvailableBlocks() * stats.getBlockSize();
  83         }
  84
  85     }
  86
  87     public static final String getLogPath()  {
  88         return Environment.getExternalStorageDirectory() + File.separator + MainApp.getDataFolder() + File.separator + "log";
  89     }
  90
  91     public static String getInstantUploadFilePath(Context context, String fileName) {
  92         SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(context);
  93         String uploadPathdef = context.getString(R.string.instant_upload_path);
  94         String uploadPath = pref.getString("instant_upload_path", uploadPathdef);
  95         String value = uploadPath + OCFile.PATH_SEPARATOR +  (fileName == null ? "" : fileName);
  96         return value;
  97     }
  98
  99     /**
 100      * Gets the composed path when video is or must be stored
 101      * @param context
 102      * @param fileName: video file name
 103      * @return String: video file path composed
 104      */
 105     public static String getInstantVideoUploadFilePath(Context context, String fileName) {
 106         SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(context);
 107         String uploadVideoPathdef = context.getString(R.string.instant_upload_path);
 108         String uploadVideoPath = pref.getString("instant_video_upload_path", uploadVideoPathdef);
 109         String value = uploadVideoPath + OCFile.PATH_SEPARATOR +  (fileName == null ? "" : fileName);
 110         return value;
 111     }
 112
 113     public static String getParentPath(String remotePath) {
 114         String parentPath = new File(remotePath).getParent();
 115         parentPath = parentPath.endsWith(OCFile.PATH_SEPARATOR) ? parentPath : parentPath + OCFile.PATH_SEPARATOR;
 116         return parentPath;
 117     }
 118
 119     /**
 120      * Creates and populates a new {@link OCFile} object with the data read from the server.
 121      *
 122      * @param remote    remote file read from the server (remote file or folder).
 123      * @return          New OCFile instance representing the remote resource described by we.
 124      */
 125     public static OCFile fillOCFile(RemoteFile remote) {
 126         OCFile file = new OCFile(remote.getRemotePath());
 127         file.setCreationTimestamp(remote.getCreationTimestamp());
 128         file.setFileLength(remote.getLength());
 129         file.setMimetype(remote.getMimeType());
 130         file.setModificationTimestamp(remote.getModifiedTimestamp());
 131         file.setEtag(remote.getEtag());
 132         file.setPermissions(remote.getPermissions());
 133         file.setRemoteId(remote.getRemoteId());
 134         return file;
 135     }
 136
 137     /**
 138      * Creates and populates a new {@link RemoteFile} object with the data read from an {@link OCFile}.
 139      *
 140      * @param ocFile    OCFile
 141      * @return          New RemoteFile instance representing the resource described by ocFile.
 142      */
 143     public static RemoteFile fillRemoteFile(OCFile ocFile){
 144         RemoteFile file = new RemoteFile(ocFile.getRemotePath());
 145         file.setCreationTimestamp(ocFile.getCreationTimestamp());
 146         file.setLength(ocFile.getFileLength());
 147         file.setMimeType(ocFile.getMimetype());
 148         file.setModifiedTimestamp(ocFile.getModificationTimestamp());
 149         file.setEtag(ocFile.getEtag());
 150         file.setPermissions(ocFile.getPermissions());
 151         file.setRemoteId(ocFile.getRemoteId());
 152         return file;
 153     }
 154
 155     /**
 156      * Sorts all filenames, regarding last user decision
 157      */
 158     public static Vector<OCFile> sortFolder(Vector<OCFile> files){
 159         switch (mSortOrder){
 160         case 0:
 161             files = FileStorageUtils.sortByName(files);
 162             break;
 163         case 1:
 164             files = FileStorageUtils.sortByDate(files);
 165             break;
 166         case 2:
 167            // mFiles = FileStorageUtils.sortBySize(mSortAscending);
 168             break;
 169         }
 170
 171         return files;
 172     }
 173
 174     /**
 175      * Sorts list by Date
 176      * @param files
 177      */
 178     public static Vector<OCFile> sortByDate(Vector<OCFile> files){
 179         final Integer val;
 180         if (mSortAscending){
 181             val = 1;
 182         } else {
 183             val = -1;
 184         }
 185
 186         Collections.sort(files, new Comparator<OCFile>() {
 187             public int compare(OCFile o1, OCFile o2) {
 188                 if (o1.isFolder() && o2.isFolder()) {
 189                     Long obj1 = o1.getModificationTimestamp();
 190                     return val * obj1.compareTo(o2.getModificationTimestamp());
 191                 }
 192                 else if (o1.isFolder()) {
 193                     return -1;
 194                 } else if (o2.isFolder()) {
 195                     return 1;
 196                 } else if (o1.getModificationTimestamp() == 0 || o2.getModificationTimestamp() == 0){
 197                     return 0;
 198                 } else {
 199                     Long obj1 = o1.getModificationTimestamp();
 200                     return val * obj1.compareTo(o2.getModificationTimestamp());
 201                 }
 202             }
 203         });
 204
 205         return files;
 206     }
 207
 208 //    /**
 209 //     * Sorts list by Size
 210 //     * @param sortAscending true: ascending, false: descending
 211 //     */
 212 //    public static Vector<OCFile> sortBySize(Vector<OCFile> files){
 213 //        final Integer val;
 214 //        if (mSortAscending){
 215 //            val = 1;
 216 //        } else {
 217 //            val = -1;
 218 //        }
 219 //
 220 //        Collections.sort(files, new Comparator<OCFile>() {
 221 //            public int compare(OCFile o1, OCFile o2) {
 222 //                if (o1.isFolder() && o2.isFolder()) {
 223 //                    Long obj1 = getFolderSize(new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, o1)));
 224 //                    return val * obj1.compareTo(getFolderSize(new File(FileStorageUtils.getDefaultSavePathFor(mAccount.name, o2))));
 225 //                }
 226 //                else if (o1.isFolder()) {
 227 //                    return -1;
 228 //                } else if (o2.isFolder()) {
 229 //                    return 1;
 230 //                } else if (o1.getFileLength() == 0 || o2.getFileLength() == 0){
 231 //                    return 0;
 232 //                } else {
 233 //                    Long obj1 = o1.getFileLength();
 234 //                    return val * obj1.compareTo(o2.getFileLength());
 235 //                }
 236 //            }
 237 //        });
 238 //
 239 //        return files;
 240 //    }
 241
 242     /**
 243      * Sorts list by Name
 244      * @param files     files to sort
 245      */
 246     public static Vector<OCFile> sortByName(Vector<OCFile> files){
 247         final Integer val;
 248         if (mSortAscending){
 249             val = 1;
 250         } else {
 251             val = -1;
 252         }
 253
 254         Collections.sort(files, new Comparator<OCFile>() {
 255             public int compare(OCFile o1, OCFile o2) {
 256                 if (o1.isFolder() && o2.isFolder()) {
 257                     return val * o1.getRemotePath().toLowerCase().compareTo(o2.getRemotePath().toLowerCase());
 258                 } else if (o1.isFolder()) {
 259                     return -1;
 260                 } else if (o2.isFolder()) {
 261                     return 1;
 262                 }
 263                 return val * new AlphanumComparator().compare(o1, o2);
 264             }
 265         });
 266
 267         return files;
 268     }
 269
 270     /**
 271      * Local Folder size
 272      * @param dir File
 273      * @return Size in bytes
 274      */
 275     public static long getFolderSize(File dir) {
 276         if (dir.exists()) {
 277             long result = 0;
 278             File[] fileList = dir.listFiles();
 279             for(int i = 0; i < fileList.length; i++) {
 280                 if(fileList[i].isDirectory()) {
 281                     result += getFolderSize(fileList[i]);
 282                 } else {
 283                     result += fileList[i].length();
 284                 }
 285             }
 286             return result;
 287         }
 288         return 0;
 289     }
 290
 291     /**
 292      * Mimetype String of a file
 293      * @param path
 294      * @return
 295      */
 296     public static String getMimeTypeFromName(String path) {
 297         String extension = "";
 298         int pos = path.lastIndexOf('.');
 299         if (pos >= 0) {
 300             extension = path.substring(pos + 1);
 301         }
 302         String result = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension.toLowerCase());
 303         return (result != null) ? result : "";
 304     }
 305
 306 }