@Override
public void decodeRest(HornetQBuffer buffer) {
super.decodeRest(buffer);
handler = buffer.readSimpleString();
voteBuffer = buffer.readSlice(buffer.readableBytes());
}
public StompFrame unmarshal(HornetQBuffer in) throws IOException {
try {
String action = null;
// skip white space to next real action line
while (true) {
action = readLine(in, MAX_COMMAND_LENGTH, "The maximum command length was exceeded");
if (action == null) {
throw new IOException("connection was closed");
} else {
action = action.trim();
if (action.length() > 0) {
break;
}
}
}
// Parse the headers
HashMap headers = new HashMap(25);
while (true) {
String line = readLine(in, MAX_HEADER_LENGTH, "The maximum header length was exceeded");
if (line != null && line.trim().length() > 0) {
if (headers.size() > MAX_HEADERS) {
throw new StompException("The maximum number of headers was exceeded", true);
}
try {
int seperator_index = line.indexOf(Stomp.Headers.SEPERATOR);
String name = line.substring(0, seperator_index).trim();
String value = line.substring(seperator_index + 1, line.length()).trim();
headers.put(name, value);
} catch (Exception e) {
throw new StompException("Unable to parser header line [" + line + "]", true);
}
} else {
break;
}
}
// Read in the data part.
byte[] data = NO_DATA;
String contentLength = (String) headers.get(Stomp.Headers.CONTENT_LENGTH);
if (contentLength != null) {
// Bless the client, he's telling us how much data to read in.
int length;
try {
length = Integer.parseInt(contentLength.trim());
} catch (NumberFormatException e) {
throw new StompException("Specified content-length is not a valid integer", true);
}
if (length > MAX_DATA_LENGTH) {
throw new StompException("The maximum data length was exceeded", true);
}
data = new byte[length];
in.readBytes(data);
if (in.readByte() != 0) {
throw new StompException(
Stomp.Headers.CONTENT_LENGTH
+ " bytes were read and "
+ "there was no trailing null byte",
true);
}
} else {
// We don't know how much to read.. data ends when we hit a 0
byte b;
ByteArrayOutputStream baos = null;
while (in.readableBytes() > 0 && (b = in.readByte()) != 0) {
if (baos == null) {
baos = new ByteArrayOutputStream();
} else if (baos.size() > MAX_DATA_LENGTH) {
throw new StompException("The maximum data length was exceeded", true);
}
baos.write(b);
}
if (baos != null) {
baos.close();
data = baos.toByteArray();
}
}
return new StompFrame(action, headers, data);
} catch (StompException e) {
return new StompFrameError(e);
}
}
