headerSize = 0;
final HttpMessage message = this.message;
String line = readHeader(buffer);
String lastHeader = null;
if (line.length() != 0) {
message.clearHeaders();
do {
char firstChar = line.charAt(0);
if (lastHeader != null && (firstChar == ' ' || firstChar == '\t')) {
List<String> current = message.getHeaders(lastHeader);
int lastPos = current.size() - 1;