@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
if (!handshakeFuture.isDone()) {
handshakeFuture.setFailure(cause);
}
for (WebSocketEventListener l : listensers) {
l.onError(ctx, cause, response);
}
ctx.close();
}
protected boolean completeHandshake(ChannelHandlerContext ctx) {
if (!handshaker.isHandshakeComplete()) {
if (response != null && response.getStatus().code() > 299) {
for (WebSocketEventListener l : listensers) {
l.onError(ctx, null, response);
}
return true;
}
handshaker.finishHandshake(ctx.channel(), response);
handshakeFuture.setSuccess();
for (WebSocketEventListener l : listensers) {
l.onConnect(ctx);
}
return true;
}
return false;
}
@Override
public void channelRead0(final ChannelHandlerContext c, Object msg) throws Exception {
Channel ch = ctx.channel();
if (response == null) {
if (msg instanceof FullHttpResponse) {
response = (FullHttpResponse) msg;
} else {
response = new WSResponse((DefaultHttpResponse) msg, ctx.alloc().buffer());
}
if (completeHandshake(ctx)) {
return;
}
}
if (msg instanceof LastHttpContent) {
return;
}
if (!(msg instanceof WebSocketFrame)) {
throw new Exception(
"Unexpected FullHttpResponse (getStatus="
+ response.getStatus()
+ ", "
+ "content="
+ response.content().toString(CharsetUtil.UTF_8)
+ ')');
}
final WebSocketFrame frame = (WebSocketFrame) msg;
if (frame instanceof TextWebSocketFrame) {
for (WebSocketEventListener l : listensers) {
l.onMessage(c, new WebSocketMessage(((TextWebSocketFrame) frame).text()));
}
} else if (frame instanceof PingWebSocketFrame) {
if (autoPong) {
ctx.writeAndFlush(new PongWebSocketFrame(frame.content().copy()));
}
for (WebSocketEventListener l : listensers) {
l.onPing(c, (PingWebSocketFrame) frame.copy());
}
} else if (frame instanceof PongWebSocketFrame) {
Logger.getLogger(getClass())
.warn(
String.format(
"WebSocketClient received a PongWebSocketFrame, that shouldn't happen! Data : %s",
frame.content().toString(CharsetUtil.UTF_8)));
} else if (frame instanceof CloseWebSocketFrame) {
ch.close();
for (WebSocketEventListener l : listensers) {
l.onClose(c, (CloseWebSocketFrame) frame.copy());
}
}
}
@Override
public void channelInactive(ChannelHandlerContext c) throws Exception {
for (WebSocketEventListener l : listensers) {
l.onClose(c, null);
}
}