org.kohsuke.github.internal.EnumUtils Maven / Gradle / Ivy
package org.kohsuke.github.internal;
import java.util.Locale;
import java.util.logging.Logger;
/**
* Utils for Enums.
*/
public final class EnumUtils {
private static final Logger LOGGER = Logger.getLogger(EnumUtils.class.getName());
/**
* Returns an enum value matching the value if found, null if the value is null and {@code defaultEnum} if the value
* cannot be matched to a value of the enum.
*
* The value is converted to uppercase before being matched to the enum values.
*
* @param
* the type of the enum
* @param enumClass
* the type of the enum
* @param value
* the value to interpret
* @param defaultEnum
* the default enum value if the value doesn't match one of the enum value
* @return an enum value or null
*/
public static > E getNullableEnumOrDefault(Class enumClass, String value, E defaultEnum) {
if (value == null) {
return null;
}
return getEnumOrDefault(enumClass, value, defaultEnum);
}
/**
* Returns an enum value matching the value if found, {@code defaultEnum} if the value is null or cannot be matched
* to a value of the enum.
*
* @param
* the type of the enum
* @param enumClass
* the type of the enum
* @param value
* the value to interpret
* @param defaultEnum
* the default enum value if the value doesn't match one of the enum value
* @return an enum value
*/
public static > E getEnumOrDefault(Class enumClass, String value, E defaultEnum) {
try {
if (value != null) {
return Enum.valueOf(enumClass, value.toUpperCase(Locale.ROOT));
}
} catch (IllegalArgumentException e) {
}
LOGGER.warning("Unknown value " + value + " for enum class " + enumClass.getName() + ", defaulting to "
+ defaultEnum.name());
return defaultEnum;
}
private EnumUtils() {
}
}