public static void render(RenderRequest request, RenderResponse response) throws IOException {
BufferedResponseStream bufferedResponseStream = getBufferedResponseStream(request);
if (bufferedResponseStream == null) {
throw new IllegalStateException("BufferedResponseStream is null.");
}
synchronized (bufferedResponseStream) {
// flush stream
bufferedResponseStream.commit();
if (request.getWindowState() != WindowState.MINIMIZED) {
Reader r = bufferedResponseStream.getReader();
Writer w = response.getWriter();
char[] bytes = new char[FacesResponseConstants.BLOCK_SIZE];
try {
int length = r.read(bytes);
while (length != -1) {
if (length != 0) {
w.write(bytes, 0, length);
}
length = r.read(bytes);
}
} finally {
bytes = null;
}
w.flush();
}
}
// cleanup
// if (FacesResponseUtil.isMyFacesFacesContext(request)) {
// for MyFaces
// MyFaces needs this workaround code because of the implementation
// issue..
// request.getPortletSession().removeAttribute(
// FacesResponseConstants.BUFFERED_RESPONSE_STREAM);
// } else {
// // for JSF implementation whice does not pass FacesContext from
// // processAction to render
// request
// .removeAttribute(FacesResponseConstants.BUFFERED_RESPONSE_STREAM);
// }
}
public static void init(RenderRequest request, RenderResponse response) {
String outputEncoding = response.getCharacterEncoding();
// if (FacesResponseUtil.isMyFacesFacesContext(request)) {
// for MyFaces
// MyFaces needs this workaround code because of the implementation
// issue..
PortletSession session = request.getPortletSession(true);
// FacesContext facesContext = FacesContext.getCurrentInstance();
FacesContext facesContext = FacesResponseUtil.getMyFacesFacesContext(request);
boolean existResonseWriter = true;
if (facesContext == null) {
existResonseWriter = false;
} else {
if (facesContext.getResponseWriter() == null) {
existResonseWriter = false;
}
}
Object oldBufferedResonseStream =
session.getAttribute(FacesResponseConstants.BUFFERED_RESPONSE_STREAM);
if (existResonseWriter && oldBufferedResonseStream != null) {
((BufferedResponseStream) oldBufferedResonseStream).recycle();
} else {
BufferedResponseStream bufferedResponseStream = new BufferedResponseStream(outputEncoding);
session.setAttribute(FacesResponseConstants.BUFFERED_RESPONSE_STREAM, bufferedResponseStream);
}
// } else {
// // for JSF implementation whice does not pass FacesContext from
// // processAction to render
// BufferedResponseStream bufferedResponseStream = new BufferedResponseStream(
// outputEncoding);
// request.setAttribute(
// FacesResponseConstants.BUFFERED_RESPONSE_STREAM,
// bufferedResponseStream);
// }
}
