Created
January 11, 2017 23:38
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| public static class CacheUtils { | |
| public static boolean exists(Context context, String filename) { | |
| return new File(context.getCacheDir(), filename).exists(); | |
| } | |
| public static void write(Context context, String filename, final byte[] content, final boolean append) { | |
| final File cache = new File(context.getCacheDir(), filename); | |
| try { | |
| FileOutputStream out = new FileOutputStream(cache, append); | |
| out.write(content); | |
| out.close(); | |
| } catch (IOException ioe) { | |
| ioe.printStackTrace(); | |
| } | |
| } | |
| public static String read(Context context, String filename) { | |
| File cache = new File(context.getCacheDir(), filename); | |
| if (cache.exists()) { | |
| StringBuilder content = new StringBuilder(); | |
| try { | |
| BufferedReader reader = new BufferedReader(new FileReader(cache)); | |
| String line; | |
| while ((line = reader.readLine()) != null) { | |
| content.append(line); | |
| content.append('\n'); | |
| } | |
| reader.close(); | |
| } catch (IOException ioe) { | |
| ioe.printStackTrace(); | |
| } finally { | |
| return String.valueOf(content); | |
| } | |
| } else { | |
| return null; | |
| } | |
| } | |
| } |
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