package org.frameworkset.web.socket.sockjs.transport;
import java.io.IOException;
import org.frameworkset.http.HttpStatus;
import org.frameworkset.http.MediaType;
import org.frameworkset.http.ServerHttpRequest;
import org.frameworkset.http.ServerHttpResponse;
import org.frameworkset.http.converter.FormHttpMessageConverter;
import org.frameworkset.util.MultiValueMap;
import org.frameworkset.web.socket.inf.WebSocketHandler;
import org.frameworkset.web.socket.sockjs.SockJsException;
import org.frameworkset.web.socket.sockjs.SockJsMessageCodec;
import org.frameworkset.web.socket.sockjs.TransportHandler;
import org.frameworkset.web.socket.sockjs.TransportType;
import org.frameworkset.web.socket.sockjs.session.AbstractHttpSockJsSession;
import com.frameworkset.util.StringUtil;
/**
* A {@link TransportHandler} that receives messages over HTTP.
*
* @author Rossen Stoyanchev
*/
public class JsonpReceivingTransportHandler extends AbstractHttpReceivingTransportHandler {
private final FormHttpMessageConverter formConverter = new FormHttpMessageConverter();
@Override
public TransportType getTransportType() {
return TransportType.JSONP_SEND;
}
@Override
public void handleRequestInternal(ServerHttpRequest request, ServerHttpResponse response,
WebSocketHandler wsHandler, AbstractHttpSockJsSession sockJsSession) throws SockJsException {
super.handleRequestInternal(request, response, wsHandler, sockJsSession);
try {
response.getBody().write("ok".getBytes(UTF8_CHARSET));
}
catch (IOException ex) {
throw new SockJsException("Failed to write to the response body", sockJsSession.getId(), ex);
}
}
@Override
protected String[] readMessages(ServerHttpRequest request) throws IOException {
SockJsMessageCodec messageCodec = getServiceConfig().getMessageCodec();
MediaType contentType = request.getHeaders().getContentType();
if (contentType != null && MediaType.APPLICATION_FORM_URLENCODED.isCompatibleWith(contentType)) {
MultiValueMap<String, String> map = this.formConverter.read(null, request);
String d = map.getFirst("d");
return (StringUtil.hasText(d) ? messageCodec.decode(d) : null);
}
else {
return messageCodec.decodeInputStream(request.getBody());
}
}
@Override
protected HttpStatus getResponseStatus() {
return HttpStatus.OK;
}
}