import javax.servlet.http.*; public class ErrorPage extends Object { public static final int UNKNOWN = 0; public static final int QUOTA_EXCEEDED = 1; public static final String[] errMsg = { "Unknown error.", "You have exceeded your quota." }; public static StringBuffer doPage(HttpServletRequest req) { String errNum; int errCode; try { errNum = Util.getQueryValue(req, "errorCode"); errCode = Integer.parseInt(errNum); } catch (InternalException g) { return printPage(UNKNOWN); } catch (NumberFormatException nf) { return printPage(UNKNOWN); } return printPage(errCode); } public static StringBuffer doPage(String msg) { return printPage(msg); } public static StringBuffer doPage(int ecode) { return printPage(ecode); } protected static StringBuffer printPage(int ecode) { try { return printPage(errMsg[ecode]); } catch (ArrayIndexOutOfBoundsException aioob) { return printPage(errMsg[UNKNOWN]); } } protected static StringBuffer printPage(String errorMsg) { StringBuffer retbuf = new StringBuffer(); retbuf.append("\n"); retbuf.append("\n"); retbuf.append("\n"); retbuf.append("MIT Sloan . Search\n"); retbuf.append("\n"); retbuf.append("\n"); retbuf.append("\n"); retbuf.append("\n"); retbuf.append("\n"); retbuf.append("\n"); retbuf.append(" \n"); retbuf.append(" \n"); retbuf.append(" \n"); retbuf.append(" \n"); retbuf.append(" \n"); retbuf.append("\n"); retbuf.append("
\n"); retbuf.append("\n"); retbuf.append(" \"MIT
\n"); retbuf.append(" \"Visitors\'
\n"); retbuf.append(" \"News
\n"); retbuf.append(" \"Sloan
\n"); retbuf.append(" \"Research
\n"); retbuf.append(" \"Career
\n"); retbuf.append(" \"Virtual
\n"); retbuf.append(" \"Academic
\n"); retbuf.append(" \"Application
\n"); retbuf.append(" \"Events
\n"); retbuf.append(" \"MIT\"
\n"); retbuf.append("
\n"); retbuf.append("\n"); retbuf.append(" 		\n"); retbuf.append("\n"); retbuf.append("The Search Servlet has encountered an error:\n"); retbuf.append("

" + errorMsg + "\n"); retbuf.append("\n"); retbuf.append("

\n"); retbuf.append("\n"); retbuf.append(" \n"); retbuf.append("\n"); retbuf.append("
\n"); retbuf.append("\n"); retbuf.append(" \n"); retbuf.append("\n"); retbuf.append("\n"); return retbuf; } }