private final void clearDataCache() {
java.util.Iterator it = dataCache.values().iterator();
while (it.hasNext()) {
File f = (File) it.next();
f.delete();
}
}
private final synchronized File getDataCacheFile(byte[] data) {
try {
java.security.MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
digest.update(data);
String key = bytesToHex(digest.digest());
if (dataCache.containsKey(key)) return (File) dataCache.get(key);
File f = new File(this.getCacheDir(), "bindata_" + key);
f.delete();
FileOutputStream os = new FileOutputStream(f);
os.write(data, 0, data.length);
dataCache.put(key, f);
return f;
} catch (Throwable e) {
}
return null;
}