X-Git-Url: http://git.linex4red.de/pub/Android/ownCloud.git/blobdiff_plain/a20681b06320824a80f6da1e86c1c2d52a371636..a4ba6170ea7696e085b07adfef73eeb8b77cb8e2:/src/com/owncloud/android/DisplayUtils.java?ds=inline

diff --git a/src/com/owncloud/android/DisplayUtils.java b/src/com/owncloud/android/DisplayUtils.java
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+++ b/src/com/owncloud/android/DisplayUtils.java
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+/* ownCloud Android client application
+ *   Copyright (C) 2011  Bartek Przybylski
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   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.
+ *
+ *   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;
+
+import java.util.Date;
+import java.util.HashMap;
+
+/**
+ * A helper class for some string operations.
+ * 
+ * @author Bartek Przybylski
+ * 
+ */
+public class DisplayUtils {
+
+    private static final String[] suffixes = { "B", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB" };
+
+    private static HashMap<String, String> mimeType2HUmanReadable;
+    static {
+        mimeType2HUmanReadable = new HashMap<String, String>();
+        // images
+        mimeType2HUmanReadable.put("image/jpeg", "JPEG image");
+        mimeType2HUmanReadable.put("image/jpg", "JPEG image");
+        mimeType2HUmanReadable.put("image/png", "PNG image");
+        mimeType2HUmanReadable.put("image/bmp", "Bitmap image");
+        mimeType2HUmanReadable.put("image/gif", "GIF image");
+        mimeType2HUmanReadable.put("image/svg+xml", "JPEG image");
+        mimeType2HUmanReadable.put("image/tiff", "TIFF image");
+        // music
+        mimeType2HUmanReadable.put("audio/mpeg", "MP3 music file");
+        mimeType2HUmanReadable.put("application/ogg", "OGG music file");
+
+    }
+
+    /**
+     * Converts the file size in bytes to human readable output.
+     * 
+     * @param bytes Input file size
+     * @return Like something readable like "12 MB"
+     */
+    public static String bytesToHumanReadable(long bytes) {
+        double result = bytes;
+        int attachedsuff = 0;
+        while (result > 1024 && attachedsuff < suffixes.length) {
+            result /= 1024.;
+            attachedsuff++;
+        }
+        result = ((int) (result * 100)) / 100.;
+        return result + " " + suffixes[attachedsuff];
+    }
+
+    /**
+     * Removes special HTML entities from a string
+     * 
+     * @param s Input string
+     * @return A cleaned version of the string
+     */
+    public static String HtmlDecode(String s) {
+        /*
+         * TODO: Perhaps we should use something more proven like:
+         * http://commons.apache.org/lang/api-2.6/org/apache/commons/lang/StringEscapeUtils.html#unescapeHtml%28java.lang.String%29
+         */
+
+        String ret = "";
+        for (int i = 0; i < s.length(); ++i) {
+            if (s.charAt(i) == '%') {
+                ret += (char) Integer.parseInt(s.substring(i + 1, i + 3), 16);
+                i += 2;
+            } else {
+                ret += s.charAt(i);
+            }
+        }
+        return ret;
+    }
+
+    /**
+     * Converts MIME types like "image/jpg" to more end user friendly output
+     * like "JPG image".
+     * 
+     * @param mimetype MIME type to convert
+     * @return A human friendly version of the MIME type
+     */
+    public static String convertMIMEtoPrettyPrint(String mimetype) {
+        if (mimeType2HUmanReadable.containsKey(mimetype)) {
+            return mimeType2HUmanReadable.get(mimetype);
+        }
+        if (mimetype.split("/").length >= 2)
+            return mimetype.split("/")[1].toUpperCase() + " file";
+        return "Unknown type";
+    }
+
+    /**
+     * Converts Unix time to human readable format
+     * @param miliseconds that have passed since 01/01/1970
+     * @return The human readable time for the users locale
+     */
+    public static String unixTimeToHumanReadable(long milliseconds) {
+        Date date = new Date(milliseconds);
+        return date.toLocaleString();
+    }
+}