moving from eu.alefzero.eu to com.owncloud.android

[pub/Android/ownCloud.git] / src / com / owncloud / android / DisplayUtils.java

diff --git a/src/com/owncloud/android/DisplayUtils.java b/src/com/owncloud/android/DisplayUtils.java
new file mode 100644 (file)
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+++ b/src/com/owncloud/android/DisplayUtils.java
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+/* ownCloud Android client application\r
+ *   Copyright (C) 2011  Bartek Przybylski\r
+ *\r
+ *   This program is free software: you can redistribute it and/or modify\r
+ *   it under the terms of the GNU General Public License as published by\r
+ *   the Free Software Foundation, either version 3 of the License, or\r
+ *   (at your option) any later version.\r
+ *\r
+ *   This program is distributed in the hope that it will be useful,\r
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
+ *   GNU General Public License for more details.\r
+ *\r
+ *   You should have received a copy of the GNU General Public License\r
+ *   along with this program.  If not, see <http://www.gnu.org/licenses/>.\r
+ *\r
+ */\r
+\r
+package com.owncloud.android;\r
+\r
+import java.util.Date;\r
+import java.util.HashMap;\r
+\r
+/**\r
+ * A helper class for some string operations.\r
+ * \r
+ * @author Bartek Przybylski\r
+ * \r
+ */\r
+public class DisplayUtils {\r
+\r
+    private static final String[] suffixes = { "B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB" };\r
+\r
+    private static HashMap<String, String> mimeType2HUmanReadable;\r
+    static {\r
+        mimeType2HUmanReadable = new HashMap<String, String>();\r
+        // images\r
+        mimeType2HUmanReadable.put("image/jpeg", "JPEG image");\r
+        mimeType2HUmanReadable.put("image/jpg", "JPEG image");\r
+        mimeType2HUmanReadable.put("image/png", "PNG image");\r
+        mimeType2HUmanReadable.put("image/bmp", "Bitmap image");\r
+        mimeType2HUmanReadable.put("image/gif", "GIF image");\r
+        mimeType2HUmanReadable.put("image/svg+xml", "JPEG image");\r
+        mimeType2HUmanReadable.put("image/tiff", "TIFF image");\r
+        // music\r
+        mimeType2HUmanReadable.put("audio/mpeg", "MP3 music file");\r
+        mimeType2HUmanReadable.put("application/ogg", "OGG music file");\r
+\r
+    }\r
+\r
+    /**\r
+     * Converts the file size in bytes to human readable output.\r
+     * \r
+     * @param bytes Input file size\r
+     * @return Like something readable like "12 MB"\r
+     */\r
+    public static String bytesToHumanReadable(long bytes) {\r
+        double result = bytes;\r
+        int attachedsuff = 0;\r
+        while (result > 1024 && attachedsuff < suffixes.length) {\r
+            result /= 1024.;\r
+            attachedsuff++;\r
+        }\r
+        result = ((int) (result * 100)) / 100.;\r
+        return result + " " + suffixes[attachedsuff];\r
+    }\r
+\r
+    /**\r
+     * Removes special HTML entities from a string\r
+     * \r
+     * @param s Input string\r
+     * @return A cleaned version of the string\r
+     */\r
+    public static String HtmlDecode(String s) {\r
+        /*\r
+         * TODO: Perhaps we should use something more proven like:\r
+         * http://commons.apache.org/lang/api-2.6/org/apache/commons/lang/StringEscapeUtils.html#unescapeHtml%28java.lang.String%29\r
+         */\r
+\r
+        String ret = "";\r
+        for (int i = 0; i < s.length(); ++i) {\r
+            if (s.charAt(i) == '%') {\r
+                ret += (char) Integer.parseInt(s.substring(i + 1, i + 3), 16);\r
+                i += 2;\r
+            } else {\r
+                ret += s.charAt(i);\r
+            }\r
+        }\r
+        return ret;\r
+    }\r
+\r
+    /**\r
+     * Converts MIME types like "image/jpg" to more end user friendly output\r
+     * like "JPG image".\r
+     * \r
+     * @param mimetype MIME type to convert\r
+     * @return A human friendly version of the MIME type\r
+     */\r
+    public static String convertMIMEtoPrettyPrint(String mimetype) {\r
+        if (mimeType2HUmanReadable.containsKey(mimetype)) {\r
+            return mimeType2HUmanReadable.get(mimetype);\r
+        }\r
+        if (mimetype.split("/").length >= 2)\r
+            return mimetype.split("/")[1].toUpperCase() + " file";\r
+        return "Unknown type";\r
+    }\r
+\r
+    /**\r
+     * Converts Unix time to human readable format\r
+     * @param miliseconds that have passed since 01/01/1970\r
+     * @return The human readable time for the users locale\r
+     */\r
+    public static String unixTimeToHumanReadable(long milliseconds) {\r
+        Date date = new Date(milliseconds);\r
+        return date.toLocaleString();\r
+    }\r
+}\r