/**
* Converts the payload to the binary form.
*
* @return Binary representation of the payload
*/
private String getBinaryPayload() {
final StringBuilder builder = new StringBuilder();
for (final Fragment fragment : fragments) {
for (int i : fragment.getPayload().toCharArray()) {
if (i < 89) {
i -= 48;
} else {
i -= 56;
}
final StringBuilder binary = new StringBuilder(Integer.toBinaryString(i));
while (binary.length() < 6) {
binary.insert(0, "0");
}
builder.append(binary);
}
}
return builder.toString();
}
