protected void importMergedRegions(Sheet poiSheet, SSheet sheet) {
// merged cells
// reference RangeImpl.getMergeAreas()
int nMerged = poiSheet.getNumMergedRegions();
final SheetImpl sheetImpl = (SheetImpl) sheet;
for (int i = nMerged - 1; i >= 0; --i) {
final CellRangeAddress mergedRegion = poiSheet.getMergedRegion(i);
// ZSS-1114: any new merged region that overlapped with previous merged region is thrown away
final CellRegion r =
new CellRegion(
mergedRegion.getFirstRow(),
mergedRegion.getFirstColumn(),
mergedRegion.getLastRow(),
mergedRegion.getLastColumn());
final CellRegion overlapped = sheetImpl.checkMergedRegion(r);
if (overlapped != null) {
_logger.warning(
"Drop the region "
+ r
+ " which is overlapped with existing merged area "
+ overlapped
+ ".");
continue;
}
sheetImpl.addDirectlyMergedRegion(r);
}
}
/** @param wapp the Web application (or null if not available yet) */
private void sessionTimeout(
HttpServletRequest request, HttpServletResponse response, WebApp wapp, String dtid)
throws ServletException, IOException {
final String sid = request.getHeader("ZK-SID");
if (sid != null) response.setHeader("ZK-SID", sid);
final AuWriter out = AuWriters.newInstance().open(request, response, 0);
if (!getAuDecoder(wapp).isIgnorable(request, wapp)) {
final String deviceType = getDeviceType(request);
URIInfo ui =
wapp != null ? (URIInfo) wapp.getConfiguration().getTimeoutURI(deviceType) : null;
String uri = ui != null ? ui.uri : null;
out.write(new AuConfirmClose(null)); // Bug: B50-3147382
final AuResponse resp;
if (uri != null) {
if (uri.length() != 0) uri = Encodes.encodeURL(getServletContext(), request, response, uri);
resp = new AuSendRedirect(uri, null);
} else {
String msg = wapp.getConfiguration().getTimeoutMessage(deviceType);
if (msg != null && msg.startsWith("label:")) {
final String key;
msg = Labels.getLabel(key = msg.substring(6), new Object[] {dtid});
if (msg == null) log.warning("Label not found, " + key);
}
if (msg == null) msg = Messages.get(MZk.UPDATE_OBSOLETE_PAGE, dtid);
resp = new AuObsolete(dtid, msg);
}
out.write(resp);
}
out.close(request, response);
}
private static final boolean load(String flnm) {
final InputStream strm = ContentTypes.class.getResourceAsStream(flnm);
if (strm == null) return false;
BufferedReader in = null;
// NOTE: we cannot use Properties.load because there might be replicated
// mapping (e.g., jpg=images/jpg, jpg=images/jpeg)
try {
in = new BufferedReader(new InputStreamReader(strm));
String line;
while ((line = in.readLine()) != null) {
final int j = line.indexOf('=');
if (j < 0) {
final int k = Strings.skipWhitespaces(line, 0);
if (k < line.length() && line.charAt(k) != '#')
log.warning("Ignored error; illgal format: " + line);
continue;
}
final String format = line.substring(0, j).trim();
final String ctype = line.substring(j + 1).trim();
if (format.length() == 0 || ctype.length() == 0) {
log.warning("Ignored error; illgal format: " + line);
continue;
}
_fmt2ct.put(format, ctype);
_ct2fmt.put(ctype, format);
}
} catch (IOException ex) {
log.warning("Ingored error: Unable to read " + flnm, ex);
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) {
}
}
try {
strm.close();
} catch (Throwable ex) {
}
}
return true;
}
private void register0(Object locator) {
if (locator == null) throw new NullPointerException("locator");
synchronized (_locators) {
if (!_locators.add(locator))
log.warning("Replace the old one, because it is replicated: " + locator);
}
reset(); // Labels might be loaded before, so...
}
private static String getDeviceType(HttpServletRequest request) {
final String agt = request.getHeader("user-agent");
if (agt != null && agt.length() > 0) {
try {
return Devices.getDeviceByClient(agt).getType();
} catch (Throwable ex) {
log.warning("Unknown device for " + agt);
}
}
return "ajax";
}
/**
* Eliminates single and double quotations to avoid JavaScript injection. It eliminates all
* quotations. In other words, the specified string shall NOT contain any quotations.
*
* <p>It is used to avoid JavaScript injection. For exmple, in DSP or JSP pages, the following
* codes is better to escape with this method. <code><input value="${c:eatQuot(param.some)}"/>
* </code>
*
* @since 3.5.2
*/
public static String eatQuot(String s) {
final int len = s != null ? s.length() : 0;
StringBuffer sb = null;
for (int j = 0; j < len; ++j) {
final char cc = s.charAt(j);
if (cc == '\'' || cc == '"') {
if (sb == null) {
log.warning("JavaScript Injection? Unexpected string detected: " + s);
sb = new StringBuffer(len);
if (j > 0) sb.append(s.substring(0, j));
}
} else if (sb != null) sb.append(cc);
}
return sb != null ? sb.toString() : s;
}
static {
final String flnm = "/metainfo/org/zkoss/util/media/contentTypes.properties";
if (!load(flnm)) log.warning(MCommon.FILE_NOT_FOUND, flnm);
load("/contentTypes.properties"); // override!
}
/**
* Process asynchronous update requests from the client.
*
* @since 3.0.0
*/
protected void process(Session sess, HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
final String errClient = request.getHeader("ZK-Error-Report");
if (errClient != null)
if (log.debugable())
log.debug("Error found at client: " + errClient + "\n" + Servlets.getDetail(request));
// parse desktop ID
final WebApp wapp = sess.getWebApp();
final WebAppCtrl wappc = (WebAppCtrl) wapp;
final AuDecoder audec = getAuDecoder(wapp);
final String dtid = audec.getDesktopId(request);
if (dtid == null) {
// Bug 1929139: incomplete request (IE only)
if (log.debugable()) {
final String msg = "Incomplete request\n" + Servlets.getDetail(request);
log.debug(msg);
}
response.sendError(467, "Incomplete request");
return;
}
Desktop desktop = getDesktop(sess, dtid);
if (desktop == null) {
final String cmdId = audec.getFirstCommand(request);
if (!"rmDesktop".equals(cmdId))
desktop = recoverDesktop(sess, request, response, wappc, dtid);
if (desktop == null) {
response.setIntHeader("ZK-Error", response.SC_GONE); // denote timeout
sessionTimeout(request, response, wapp, dtid);
return;
}
}
WebManager.setDesktop(request, desktop);
// reason: a new page might be created (such as include)
final String sid = request.getHeader("ZK-SID");
if (sid != null) // Some client might not have ZK-SID
response.setHeader("ZK-SID", sid);
// parse commands
final Configuration config = wapp.getConfiguration();
final List aureqs;
boolean keepAlive = false;
try {
final boolean timerKeepAlive = config.isTimerKeepAlive();
aureqs = audec.decode(request, desktop);
for (Iterator it = aureqs.iterator(); it.hasNext(); ) {
final String cmdId = ((AuRequest) it.next()).getCommand();
keepAlive = !(!timerKeepAlive && Events.ON_TIMER.equals(cmdId)) && !"dummy".equals(cmdId);
// dummy is used for PollingServerPush for piggyback
if (keepAlive) break; // done
}
} catch (Throwable ex) {
log.warningBriefly(ex);
responseError(request, response, Exceptions.getMessage(ex));
return;
}
if (aureqs.isEmpty()) {
final String errmsg = "Illegal request: cmd required";
log.debug(errmsg);
responseError(request, response, errmsg);
return;
}
((SessionCtrl) sess).notifyClientRequest(keepAlive);
// if (log.debugable()) log.debug("AU request: "+aureqs);
final DesktopCtrl desktopCtrl = (DesktopCtrl) desktop;
final Execution exec = new ExecutionImpl(getServletContext(), request, response, desktop, null);
if (sid != null) ((ExecutionCtrl) exec).setRequestId(sid);
final AuWriter out = AuWriters.newInstance();
out.setCompress(_compress);
out.open(
request,
response,
desktop.getDevice().isSupported(Device.RESEND)
? getProcessTimeout(config.getResendDelay())
: 0);
// Note: getResendDelay() might return nonpositive
try {
wappc.getUiEngine().execUpdate(exec, aureqs, out);
} catch (RequestOutOfSequenceException ex) {
log.warning(ex.getMessage());
response.setHeader("ZK-SID", sid);
response.setIntHeader("ZK-Error", AuResponse.SC_OUT_OF_SEQUENCE);
}
out.close(request, response);
}
// Servlet//
public void init() throws ServletException {
final ServletConfig config = getServletConfig();
final ServletContext ctx = getServletContext();
ctx.setAttribute(ATTR_UPDATE_SERVLET, this);
final WebManager webman = WebManager.getWebManager(ctx);
String param = config.getInitParameter("compress");
_compress = param == null || param.length() == 0 || "true".equals(param);
if (!_compress) webman.getClassWebResource().setCompress(null); // disable all
// Copies au extensions defined before DHtmlUpdateServlet is started
final WebApp wapp = webman.getWebApp();
final Map aues = (Map) wapp.getAttribute(ATTR_AU_PROCESSORS);
if (aues != null) {
for (Iterator it = aues.entrySet().iterator(); it.hasNext(); ) {
final Map.Entry me = (Map.Entry) it.next();
addAuExtension((String) me.getKey(), (AuExtension) me.getValue());
}
wapp.removeAttribute(ATTR_AU_PROCESSORS);
}
// ZK 5: extension defined in init-param has the higher priority
for (int j = 0; ; ++j) {
param = config.getInitParameter("extension" + j);
if (param == null) {
param = config.getInitParameter("processor" + j); // backward compatible
if (param == null) break;
}
final int k = param.indexOf('=');
if (k < 0) {
log.warning("Ignore init-param: illegal format, " + param);
continue;
}
final String prefix = param.substring(0, k).trim();
final String clsnm = param.substring(k + 1).trim();
try {
addAuExtension(prefix, (AuExtension) Classes.newInstanceByThread(clsnm));
} catch (ClassNotFoundException ex) {
log.warning("Ignore init-param: class not found, " + clsnm);
} catch (ClassCastException ex) {
log.warning("Ignore: " + clsnm + " not implement " + AuExtension.class);
} catch (Throwable ex) {
log.warning("Ignore init-param: failed to add an AU extension, " + param, ex);
}
}
if (getAuExtension("/upload") == null) {
try {
addAuExtension("/upload", new AuUploader());
} catch (Throwable ex) {
final String msg = "Make sure commons-fileupload.jar is installed.";
log.warningBriefly("Failed to configure fileupload. " + msg, ex);
// still add /upload to generate exception when fileupload is used
addAuExtension(
"/upload",
new AuExtension() {
public void init(DHtmlUpdateServlet servlet) {}
public void destroy() {}
public void service(
HttpServletRequest request, HttpServletResponse response, String pi)
throws ServletException, IOException {
if (Sessions.getCurrent(false) != null)
throw new ServletException("Failed to upload. " + msg);
}
});
}
}
if (getAuExtension("/view") == null) addAuExtension("/view", new AuDynaMediar());
}
// -- private utilities --//
private final Map loadLabels(Locale locale) {
WaitLock lock = null;
for (; ; ) {
final Object o;
synchronized (_syncLabels) {
o = _syncLabels.get(locale);
if (o == null) _syncLabels.put(locale, lock = new WaitLock()); // lock it
}
if (o instanceof Map) return (Map) o;
if (o == null) break; // go to load the page
// wait because some one is creating the servlet
if (!((WaitLock) o).waitUntilUnlock(5 * 60 * 1000))
log.warning(
"Take too long to wait loading labels: "
+ locale
+ "\nTry to load again automatically...");
} // for(;;)
if (_jarcharset == null)
_jarcharset = Library.getProperty("org.zkoss.util.label.classpath.charset", "UTF-8");
if (_warcharset == null) {
_warcharset = Library.getProperty("org.zkoss.util.label.web.charset", null);
if (_warcharset == null)
_warcharset =
Library.getProperty(
"org.zkoss.util.label.WEB-INF.charset", "UTF-8"); // backward compatible
}
try {
// get the class name
if (locale != null) log.info("Loading labels for " + locale);
Map labels = new HashMap(512);
// 1. load from modules
final ClassLocator locator = new ClassLocator();
for (Enumeration en =
locator.getResources(
locale == null
? "metainfo/i3-label.properties"
: "metainfo/i3-label_" + locale + ".properties");
en.hasMoreElements(); ) {
final URL url = (URL) en.nextElement();
load(labels, url, _jarcharset);
}
// 2. load from extra resource
final List locators;
synchronized (_locators) {
locators = new LinkedList(_locators);
}
for (Iterator it = locators.iterator(); it.hasNext(); ) {
Object o = it.next();
if (o instanceof LabelLocator) {
final URL url = ((LabelLocator) o).locate(locale);
if (url != null) load(labels, url, _warcharset);
} else {
final LabelLocator2 loc = (LabelLocator2) o;
final InputStream is = loc.locate(locale);
if (is != null) {
final String cs = loc.getCharset();
load(labels, is, cs != null ? cs : _warcharset);
}
}
}
// Convert values to ExValue
toExValue(labels);
// merge with labels from 'super' locale
if (locale != null) {
final String lang = locale.getLanguage();
final String cnty = locale.getCountry();
final String var = locale.getVariant();
final Map superlabels =
loadLabels(
var != null && var.length() > 0
? new Locale(lang, cnty)
: cnty != null && cnty.length() > 0 ? new Locale(lang, "") : null);
if (labels.isEmpty()) {
labels = superlabels.isEmpty() ? Collections.EMPTY_MAP : superlabels;
} else if (!superlabels.isEmpty()) {
Map combined = new HashMap(superlabels);
combined.putAll(labels);
labels = combined;
}
}
// add to map
synchronized (_syncLabels) {
_syncLabels.put(locale, labels);
cloneLables();
}
return labels;
} catch (Throwable ex) {
synchronized (_syncLabels) {
_syncLabels.remove(locale);
cloneLables();
}
throw SystemException.Aide.wrap(ex);
} finally {
lock.unlock(); // unlock (always unlock to avoid deadlock)
}
}
