/** Push Event to client. */
public void push(Event anEvent) throws IOException {
Log.debug("BCA event=" + anEvent.toXML());
// Check if we should refresh
if (anEvent.getEventType().equals(Protocol.E_REFRESH)) {
// Append refresh and tail of HTML document
// Construct the JS callback line to be sent as last line of doc.
// This will refresh the request using the unique id to determine
// the subscriber instance on the server. The client will wait for
// a number of milliseconds.
long refreshWaitMillis = Long.parseLong(anEvent.getField(P_WAIT));
// Create servlet request for requesting next events (refresh)
String url = anEvent.getField(P_URL);
String jsRefreshTrigger =
"\n<script language=\"JavaScript\">url=\'"
+ url
+ "\';\n setTimeout(\"refresh()\", "
+ refreshWaitMillis
+ ");\n</script>";
send(jsRefreshTrigger + END_DOCUMENT);
} else {
send(event2JavaScript(anEvent));
}
}
/** Send any string to browser. */
protected void send(String s) throws IOException {
// Send string to browser.
// Log.debug("Adapter: sending: " + s);
if (servletOut == null) {
throw new IOException("Client adapter was stopped");
}
servletOut.print(s);
servletOut.flush();
// Note: this doesn't seem to have effect
// in Tomcat 4/5 if the client already disconnected.
servletRsp.flushBuffer();
bytesSent += s.length();
Log.debug("bytesSent= " + bytesSent);
// Log.debug("BCA sent event: " + s);
}
/** Exceptional print util. */
public void debug(String s) {
Log.debug("S-" + this + ": " + s);
}
/** Exceptional print util. */
public void warn(String s) {
Log.warn("S-" + this + ": " + s);
}
/** Info. */
public void info(String s) {
Log.info("S-" + this + ": " + s);
}