@Override
public WipBrowserTab attach(TabDebugEventListener listener) throws IOException {
LoggerFactory connectionLoggerFactory = browserImpl.getConnectionLoggerFactory();
ConnectionLogger connectionLogger;
if (connectionLoggerFactory == null) {
connectionLogger = null;
} else {
connectionLogger = connectionLoggerFactory.newTabConnectionLogger();
}
String webSocketDebuggerUrl = description.webSocketDebuggerUrl();
if (webSocketDebuggerUrl == null) {
throw new IOException("Tab is already attached");
}
URI uri = URI.create(webSocketDebuggerUrl);
WsConnection socket;
if (USE_OLD_WEBSOCKET) {
socket =
Hybi00WsConnection.connect(
browserImpl.getSocketAddress(),
DEFAULT_CONNECTION_TIMEOUT_MS,
uri.getPath(),
"empty origin",
connectionLogger);
} else {
socket =
Hybi17WsConnection.connect(
browserImpl.getSocketAddress(),
DEFAULT_CONNECTION_TIMEOUT_MS,
uri.getPath(),
Hybi17WsConnection.MaskStrategy.TRANSPARENT_MASK,
connectionLogger);
}
return new WipTabImpl(socket, browserImpl, listener, description.url());
}
private String readHttpResponseContent(
InetSocketAddress socketAddress, String resource, LoggerFactory loggerFactory)
throws IOException {
ConnectionLogger browserConnectionLogger;
if (loggerFactory == null) {
browserConnectionLogger = null;
} else {
browserConnectionLogger = loggerFactory.newBrowserConnectionLogger();
}
final SocketWrapper socketWrapper =
new SocketWrapper(
socketAddress,
DEFAULT_CONNECTION_TIMEOUT_MS,
browserConnectionLogger,
HandshakeUtil.ASCII_CHARSET);
try {
if (browserConnectionLogger != null) {
browserConnectionLogger.start();
browserConnectionLogger.setConnectionCloser(
new ConnectionLogger.ConnectionCloser() {
@Override
public void closeConnection() {
socketWrapper
.getShutdownRelay()
.sendSignal(null, new Exception("UI close request"));
}
});
}
LoggableOutputStream output = socketWrapper.getLoggableOutput();
writeHttpLine(output, "GET " + resource + " HTTP/1.1");
writeHttpLine(output, "User-Agent: ChromeDevTools for Java SDK");
writeHttpLine(output, "Host: " + socketAddress.getHostName() + ":" + socketAddress.getPort());
writeHttpLine(output, "");
output.getOutputStream().flush();
LoggableInputStream input = socketWrapper.getLoggableInput();
HandshakeUtil.HttpResponse httpResponse =
HandshakeUtil.readHttpResponse(HandshakeUtil.createLineReader(input.getInputStream()));
if (httpResponse.getCode() != 200) {
throw new IOException(
"Unrecognized respose: "
+ httpResponse.getCode()
+ " "
+ httpResponse.getReasonPhrase());
}
String lengthStr = httpResponse.getFields().get("content-length");
if (lengthStr == null) {
throw new IOException("Unrecognizable respose: no content-length");
}
int length;
try {
length = Integer.parseInt(lengthStr.trim());
} catch (NumberFormatException e) {
throw new IOException("Unrecognizable respose: incorrect content-length");
}
byte[] responseBytes = new byte[length];
{
int readSoFar = 0;
while (readSoFar < length) {
int res = input.getInputStream().read(responseBytes, readSoFar, length - readSoFar);
if (res == -1) {
throw new IOException("Unexpected EOS");
}
readSoFar += res;
}
}
return new String(responseBytes, HandshakeUtil.UTF_8_CHARSET);
} finally {
if (browserConnectionLogger != null) {
browserConnectionLogger.handleEos();
}
socketWrapper.getShutdownRelay().sendSignal(null, null);
}
}