public String usage() {
String progName = mProgName != null ? mProgName : "progname";
String optsString1 =
(mValidOptionNames != null && mValidOptionNames.size() > 0) ? " <options>" : "";
String nonOptArgsString =
(mNonOptParamNames != null && mNonOptParamNames.size() > 0)
? " <" + StringUtils.listToString(mNonOptParamNames, "> <") + ">"
: "";
String optsString2 =
(mValidOptionNames != null && mValidOptionNames.size() > 0)
? "\nOPTIONS:\n" + optsWithValString() + "\n" + optsWithoutValString()
: "";
return "Usage: " + progName + optsString1 + nonOptArgsString + optsString2;
}
public void addDef(OptDef pDef) {
mArgDefs.add(pDef);
if (mShortNameToLongNameMap.containsKey(pDef.shortname)) {
throw new RuntimeException("Duplicate short name: " + pDef.shortname);
}
mValidOptionNames.add(pDef.longname);
if (pDef.shortname != null) {
mValidOptionNames.add(pDef.shortname);
mShortNameToLongNameMap.put(pDef.shortname, pDef.longname);
} else {
mOptionsWithoutShortName.add(pDef.longname);
}
if (pDef.hasvalue) {
mNamesOfOptionsRequiringValue.add(pDef.longname);
}
if (pDef.defaultvalue != null) {
// a little sanity check, if you permit...
if (!(pDef.hasvalue)) {
throw new RuntimeException(
"Illegal situation: parameter "
+ pDef.longname
+ " has no value, "
+ "but still has default value "
+ pDef.defaultvalue);
}
mDefaultValues.put(pDef.longname, pDef.defaultvalue);
}
if (pDef.possiblevalues != null) {
// for an "enum" type parameter
mPossibleValues.putMultiple(pDef.longname, pDef.possiblevalues);
}
}