src/eu/alefzero/owncloud/DisplayUtils.java

   1 /* ownCloud Android client application
   2  *   Copyright (C) 2011  Bartek Przybylski
   3  *
   4  *   This program is free software: you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation, either version 3 of the License, or
   7  *   (at your option) any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  */
  18
  19 package eu.alefzero.owncloud;
  20
  21 import java.util.HashMap;
  22
  23 /**
  24  * A helper class for some string operations.
  25  *
  26  * @author Bartek Przybylski
  27  *
  28  */
  29 public class DisplayUtils {
  30     public static String bitsToHumanReadable(long bitsLen) {
  31         double result = bitsLen;
  32         int attachedsuff = 0;
  33         while (result > 1024 && attachedsuff < suffixes.length) {
  34             result /= 1024.;
  35             attachedsuff++;
  36         }
  37         result = ((int) (result * 100)) / 100.;
  38         return result + suffixes[attachedsuff];
  39     }
  40
  41     public static String HtmlDecode(String s) {
  42         String ret = "";
  43         for (int i = 0; i < s.length(); ++i) {
  44             if (s.charAt(i) == '%') {
  45                 ret += (char) Integer.parseInt(s.substring(i + 1, i + 3), 16);
  46                 i += 2;
  47             } else {
  48                 ret += s.charAt(i);
  49             }
  50         }
  51         return ret;
  52     }
  53
  54     public static String convertMIMEtoPrettyPrint(String mimetype) {
  55         if (mimeType2HUmanReadable.containsKey(mimetype)) {
  56             return mimeType2HUmanReadable.get(mimetype);
  57         }
  58         return mimetype.split("/")[1].toUpperCase() + " file";
  59     }
  60
  61     private static final String[] suffixes = { "B", "KB", "MB", "GB", "TB",
  62             "PB", "EB", "ZB", "YB" };
  63
  64     private static HashMap<String, String> mimeType2HUmanReadable;
  65     static {
  66         mimeType2HUmanReadable = new HashMap<String, String>();
  67         // images
  68         mimeType2HUmanReadable.put("image/jpeg", "JPEG image");
  69         mimeType2HUmanReadable.put("image/jpg", "JPEG image");
  70         mimeType2HUmanReadable.put("image/png", "PNG image");
  71         mimeType2HUmanReadable.put("image/bmp", "Bitmap image");
  72         mimeType2HUmanReadable.put("image/gif", "GIF image");
  73         mimeType2HUmanReadable.put("image/svg+xml", "JPEG image");
  74         mimeType2HUmanReadable.put("image/tiff", "TIFF image");
  75         // music
  76         mimeType2HUmanReadable.put("audio/mpeg", "MP3 music file");
  77         mimeType2HUmanReadable.put("application/ogg", "OGG music file");
  78
  79     }
  80 }