public static synchronized void deleteExpired() { Date expiryDate; long freeSpace = getFreeUserSpace(); if (freeSpace < Globals.DISK_FREE_THRESHOLD) expiryDate = new Date(new Date().getTime() - Globals.FILE_KEEP_IN_CACHE_DURATION_MS_MINIMAL); else expiryDate = new Date(new Date().getTime() - Globals.FILE_KEEP_IN_CACHE_DURATION_MS); Log.warn( "running Delete Expired job", "expiryDate=" + expiryDate.toString() + " , freeSpace=" + freeSpace); File folder = new File(Config.cachePath); for (final File file : folder.listFiles()) { if (file.isFile() && file.getName().endsWith(Globals.FILE_EXT_DATA)) { BasicFileAttributes attrs; try { attrs = Files.readAttributes(file.toPath(), BasicFileAttributes.class); Date fileLastAccessTime = new Date(attrs.lastAccessTime().toMillis()); if (fileLastAccessTime.before(expiryDate)) deleteDataAndHeaderFiles(file); } catch (Exception e) { Log.error("Cannot read file attributes", e.getCause() + " : " + e.getMessage()); e.printStackTrace(); } } } }
private static void deleteFile(File file) { try { if (file.exists()) { file.delete(); Log.info("File " + file.getName() + " is deleted."); } } catch (Exception e) { Log.info("Error deleting file " + file.getName() + ". Error:" + e.getMessage()); } }
public static synchronized void deleteIncompleteDownloads() { try { File directory = new File(Config.downloadPath); File[] files = directory.listFiles(); for (File file : files) { try { if (!file.delete()) Log.info("Cannnot delete temp file: " + file.getName()); } catch (Exception e) { Log.info("Cannnot delete temp file: " + file.getName() + ". Error:" + e.getMessage()); } } } catch (Exception e) { Log.error("Error in deleteIncompleteDownloads()", e.getCause() + ": " + e.getMessage()); } }
public static long getFreeUserSpace() { File folder = new File(Config.cachePath); try { // return (int)((folder.getUsableSpace() * 100.0f) / folder.getTotalSpace()); return folder.getUsableSpace(); } catch (Exception e) { Log.error("Cannot calculate free space percentage", e.getCause() + ": " + e.getMessage()); e.printStackTrace(); return 0; } }
public static synchronized void moveDownloadedFileToCache( String name, ArrayList<String> headers) { int version = getCurrentVersion(name, null); version++; Path src = Paths.get(Config.downloadPath, name); Path dest = Paths.get(Config.cachePath, getDataFileName(name, version)); Path destHeaders = Paths.get(Config.cachePath, getHeadersFileName(name, version)); try { Files.move(src, dest); saveHeaders(destHeaders, headers); } catch (IOException e) { Log.error( "Error moving file: IOException", "From " + src + " to " + dest + ". " + e.getMessage()); e.printStackTrace(); } if (version != 0) deleteFileDuplicates(name); }
public static synchronized FileInfo getFileInfo(String name) { int version = getCurrentVersion(name, null); Path dataFilePath = Paths.get(Config.cachePath, getDataFileName(name, version)); Path headerFilePath = Paths.get(Config.cachePath, getHeadersFileName(name, version)); Date fileLastModifiedTime; BasicFileAttributes attrs; try { attrs = Files.readAttributes(dataFilePath, BasicFileAttributes.class); fileLastModifiedTime = new Date(attrs.lastModifiedTime().toMillis()); } catch (Exception e) { Log.error("Cannot read file attributes", e.getCause() + ": " + e.getMessage()); e.printStackTrace(); return null; } // read headers ArrayList<String> headers = loadHeaders(headerFilePath.toFile()); String url = null; String etag = null; for (String header : headers) { if (header.startsWith(HttpConstants.HEADER_FILE_URL + ":")) { url = header.split(":", 2)[1].trim(); } else if (header.startsWith(HttpConstants.HEADER_ETAG + ":")) { etag = header.split(":", 2)[1].trim(); } } if (url != null) return new FileInfo(url, fileLastModifiedTime, etag); else return null; }