/** Returns the static method defined in an element, or null if failed. */
/*package*/ static MethodInfo getMethodInfo(Element el) {
final String clsnm = IDOMs.getRequiredAttributeValue(el, "class");
final String sig = IDOMs.getRequiredAttributeValue(el, "signature");
final Class cls;
try {
cls = Classes.forNameByThread(clsnm);
} catch (ClassNotFoundException ex) {
log.error("Class not found: " + clsnm + ", " + el.getLocator());
return null; // to report as many errors as possible
}
try {
final Method mtd = Classes.getMethodBySignature(cls, sig, null);
if ((mtd.getModifiers() & Modifier.STATIC) == 0) {
log.error("Not a static method: " + mtd);
return null;
}
final Object[] args = new Object[mtd.getParameterTypes().length];
for (int j = 0; j < args.length; ++j) args[j] = el.getAttributeValue("arg" + j);
return new MethodInfo(mtd, args);
} catch (ClassNotFoundException ex) {
log.realCauseBriefly(
"Unable to load class when resolving " + sig + " " + el.getLocator(), ex);
} catch (NoSuchMethodException ex) {
log.error("Method not found in " + clsnm + ": " + sig + " " + el.getLocator());
}
return null;
}
private void handleFailedModal(int oldmode, boolean oldvisi) {
try {
if (Executions.getCurrent().getAttribute("javax.servlet.error.exception") != null) {
// handle it specially if it is used for dispalying err
setMode(HIGHLIGHTED);
} else {
setMode(oldmode); // restore
setVisible(oldvisi);
}
} catch (Throwable ex) {
log.realCauseBriefly("Causing another error", ex);
}
}
private static Extension getExtension() {
if (_ext == null) {
synchronized (BindUiLifeCycle.class) {
if (_ext == null) {
String clsnm = Library.getProperty("org.zkoss.bind.tracker.impl.extension");
if (clsnm != null) {
try {
_ext = (Extension) Classes.newInstanceByThread(clsnm);
} catch (Throwable ex) {
log.realCauseBriefly("Unable to instantiate " + clsnm, ex);
}
}
if (_ext == null) _ext = new DefaultExtension();
}
}
}
return _ext;
}
private static final String getNotFound(int code, Locale locale) {
if (code == NULL_CODE) return ""; // special code
try {
log.error(
"Message code not found: "
+ Integer.toHexString(code)
+ " not in "
+ locale
+ ":"
+ Aide.getBundleInfo(code));
final String hexcode = Integer.toHexString(code);
final String s = getFromBundle(MCommon.MESSAGE_CODE_NOT_FOUND, locale);
return s != null
? MessageFormats.format(s, new Object[] {hexcode}, locale)
: "Unknown message code: " + hexcode;
} catch (Exception ex) {
log.realCauseBriefly(ex);
return "Unknown message code: " + Integer.toHexString(code);
}
}