} catch (ClassCastException e) {
throw new ShellCommandException(ErrorCode.INITIALIZATION_FAILURE, "Unable to load " + className + " as type " + OptionDescriber.class.getName()
+ "; configure with 'config' instead");
}
IteratorOptions itopts = skvi.describeOptions();
if (itopts.getName() == null)
throw new IllegalArgumentException(className + " described its default distinguishing name as null");
String shortClassName = className;
if (className.contains("."))
shortClassName = className.substring(className.lastIndexOf('.') + 1);
Map<String,String> localOptions = new HashMap<String,String>();
do {
// clean up the overall options that caused things to fail
for (String key : localOptions.keySet())
options.remove(key);
localOptions.clear();
reader.printString(itopts.getDescription());
reader.printNewline();
String prompt;
if (itopts.getNamedOptions() != null) {
for (Entry<String,String> e : itopts.getNamedOptions().entrySet()) {
prompt = Shell.repeat("-", 10) + "> set " + shortClassName + " parameter " + e.getKey() + ", " + e.getValue() + ": ";
input = reader.readLine(prompt);
if (input == null) {
reader.printNewline();
throw new IOException("Input stream closed");
}
// Places all Parameters and Values into the LocalOptions, even if the value is "".
// This allows us to check for "" values when setting the iterators and allows us to remove
// the parameter and value from the table property.
localOptions.put(e.getKey(), input);
}
}
if (itopts.getUnnamedOptionDescriptions() != null) {
for (String desc : itopts.getUnnamedOptionDescriptions()) {
reader.printString(Shell.repeat("-", 10) + "> entering options: " + desc + "\n");
input = "start";
while (true) {
prompt = Shell.repeat("-", 10) + "> set " + shortClassName + " option (<name> <value>, hit enter to skip): ";
input = reader.readLine(prompt);
if (input == null) {
reader.printNewline();
throw new IOException("Input stream closed");
}
if (input.length() == 0)
break;
String[] sa = input.split(" ", 2);
localOptions.put(sa[0], sa[1]);
}
}
}
options.putAll(localOptions);
if (!skvi.validateOptions(options))
reader.printString("invalid options for " + clazz.getName() + "\n");
} while (!skvi.validateOptions(options));
return itopts.getName();
}