161     private Writer journalWriter;  field in DiskLruCache
275                 if (journalWriter == null) {
322                 cache.journalWriter = new BufferedWriter(new FileWriter(cache.journalFile, true),  in open()
427         if (journalWriter != null) {  in rebuildJournal()
428             journalWriter.close();  in rebuildJournal()
452         journalWriter = new BufferedWriter(new FileWriter(journalFile, true), IO_BUFFER_SIZE);  in rebuildJournal()
501         journalWriter.append(READ + ' ' + key + '\n');  in get()
536         journalWriter.write(DIRTY + ' ' + key + '\n');  in edit()
537         journalWriter.flush();  in edit()
601             journalWriter.write(CLEAN + ' ' + entry.key + entry.getLengths() + '\n');  in completeEdit()
607             journalWriter.write(REMOVE + ' ' + entry.key + '\n');  in completeEdit()
649         journalWriter.append(REMOVE + ' ' + key + '\n');  in remove()
663         return journalWriter == null;  in isClosed()
667         if (journalWriter == null) {  in checkNotClosed()
678         journalWriter.flush();  in flush()
685         if (journalWriter == null) {  in close()
694         journalWriter.close();  in close()
695         journalWriter = null;  in close()