private static boolean getBoolean(ServletConfig cfg, String param) throws ServletException {
String n = cfg.getInitParameter(param);
if (n == null) return false;
try {
return StringUtils.toBoolean(n);
} catch (IllegalArgumentException err) {
throw new ServletException(
MessageFormat.format(HttpServerText.get().invalidBoolean, param, n));
}
}
/**
* Get a boolean value from the git config
*
* @param section section the key is grouped within.
* @param subsection subsection name, such a remote or branch name.
* @param name name of the key to get.
* @param defaultValue default value to return if no value was present.
* @return true if any value or defaultValue is true, false for missing or explicit false
*/
public boolean getBoolean(
final String section, String subsection, final String name, final boolean defaultValue) {
String n = getRawString(section, subsection, name);
if (n == null) return defaultValue;
if (MAGIC_EMPTY_VALUE == n) return true;
try {
return StringUtils.toBoolean(n);
} catch (IllegalArgumentException err) {
throw new IllegalArgumentException(
MessageFormat.format(JGitText.get().invalidBooleanValue, section, name, n));
}
}
/**
* Parse an enumeration from the configuration.
*
* @param <T> type of the enumeration object.
* @param all all possible values in the enumeration which should be recognized. Typically {@code
* EnumType.values()}.
* @param section section the key is grouped within.
* @param subsection subsection name, such a remote or branch name.
* @param name name of the key to get.
* @param defaultValue default value to return if no value was present.
* @return the selected enumeration value, or {@code defaultValue}.
*/
public <T extends Enum<?>> T getEnum(
final T[] all,
final String section,
final String subsection,
final String name,
final T defaultValue) {
String value = getString(section, subsection, name);
if (value == null) return defaultValue;
String n = value.replace(' ', '_');
T trueState = null;
T falseState = null;
for (T e : all) {
if (StringUtils.equalsIgnoreCase(e.name(), n)) return e;
else if (StringUtils.equalsIgnoreCase(e.name(), "TRUE")) trueState = e;
else if (StringUtils.equalsIgnoreCase(e.name(), "FALSE")) falseState = e;
}
// This is an odd little fallback. C Git sometimes allows boolean
// values in a tri-state with other things. If we have both a true
// and a false value in our enumeration, assume its one of those.
//
if (trueState != null && falseState != null) {
try {
return StringUtils.toBoolean(n) ? trueState : falseState;
} catch (IllegalArgumentException err) {
// Fall through and use our custom error below.
}
}
if (subsection != null)
throw new IllegalArgumentException(
MessageFormat.format(JGitText.get().enumValueNotSupported3, section, name, value));
else
throw new IllegalArgumentException(
MessageFormat.format(JGitText.get().enumValueNotSupported2, section, name, value));
}