in hpack/src/main/java/com/twitter/hpack/Encoder.java [271:285]
private HeaderEntry getEntry(byte[] name, byte[] value) {
if (length() == 0 || name == null || value == null) {
return null;
}
int h = hash(name);
int i = index(h);
for (HeaderEntry e = headerFields[i]; e != null; e = e.next) {
if (e.hash == h &&
HpackUtil.equals(name, e.name) &&
HpackUtil.equals(value, e.value)) {
return e;
}
}
return null;
}