public static byte[] decodeDecompressBinary(@Nonnull final String content) throws IOException {
final boolean useCompression = content.charAt(0) == 'Z';
final byte[] bytes = Base43.decode(content.substring(1));
InputStream is = new ByteArrayInputStream(bytes);
if (useCompression) is = new GZIPInputStream(is);
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
final byte[] buf = new byte[4096];
int read;
while (-1 != (read = is.read(buf))) baos.write(buf, 0, read);
baos.close();
is.close();
return baos.toByteArray();
}
public static String encodeCompressBinary(@Nonnull final byte[] bytes) {
try {
final ByteArrayOutputStream bos = new ByteArrayOutputStream(bytes.length);
final GZIPOutputStream gos = new GZIPOutputStream(bos);
gos.write(bytes);
gos.close();
final byte[] gzippedBytes = bos.toByteArray();
final boolean useCompressioon = gzippedBytes.length < bytes.length;
final StringBuilder str = new StringBuilder();
str.append(useCompressioon ? 'Z' : '-');
str.append(Base43.encode(useCompressioon ? gzippedBytes : bytes));
return str.toString();
} catch (final IOException x) {
throw new RuntimeException(x);
}
}
public static String encodeBinary(@Nonnull final byte[] bytes) {
return Base43.encode(bytes);
}
public static byte[] decodeBinary(@Nonnull final String content) throws IOException {
return Base43.decode(content);
}
