PortletHelper.java 文件源码

public static void setErrorMessage(PortletRequest request, String errorMsg, Throwable t)
{
    if ( errorMsg == null ) errorMsg = "null";
    PortletSession pSession = request.getPortletSession(true);
    pSession.setAttribute("error.message",errorMsg);

    OutputStream oStream = new ByteArrayOutputStream();
    PrintStream pStream = new PrintStream(oStream);

    log.error("{}", oStream);
    log.error("{}", pStream);

    // errorMsg = errorMsg .replaceAll("<","&lt;").replaceAll(">","&gt;");

    StringBuffer errorOut = new StringBuffer();
    errorOut.append("<p class=\"portlet-msg-error\">\n");
    errorOut.append(FormattedText.escapeHtmlFormattedText(errorMsg));
    errorOut.append("\n</p>\n<!-- Traceback for this error\n");
    errorOut.append(oStream.toString());
    errorOut.append("\n-->\n");

    pSession.setAttribute("error.output",errorOut.toString());

    Map map = request.getParameterMap();
    pSession.setAttribute("error.map",map);
}