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ASF GitHub Bot logged work on LANG-1495: ---------------------------------------- Author: ASF GitHub Bot Created on: 28/Oct/19 05:57 Start Date: 28/Oct/19 05:57 Worklog Time Spent: 10m Work Description: vlcheong commented on pull request #475: LANG-1495 Update EnumUtils.java URL: https://github.com/apache/commons-lang/pull/475#discussion_r339410238 ########## File path: src/main/java/org/apache/commons/lang3/EnumUtils.java ########## @@ -119,13 +119,29 @@ public EnumUtils() { * @return the enum, null if not found */ public static <E extends Enum<E>> E getEnum(final Class<E> enumClass, final String enumName) { + return getEnum(enumClass, enumName, null); + } + + /** + * <p>Gets the enum for the class, returning {@code defaultEnum} if not found.</p> + * + * <p>This method differs from {@link Enum#valueOf} in that it does not throw an exception + * for an invalid enum name.</p> + * + * @param <E> the type of the enumeration + * @param enumClass the class of the enum to query, not null + * @param enumName the enum name, null returns default enum + * @param defaultEnum the default enum + * @return the enum, default enum if not found Review comment: @Stzx, may I know what version number should I put ? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking ------------------- Worklog Id: (was: 334775) Time Spent: 40m (was: 0.5h) > Add Overloading Methods To EnumUtils > ------------------------------------ > > Key: LANG-1495 > URL: https://issues.apache.org/jira/browse/LANG-1495 > Project: Commons Lang > Issue Type: Improvement > Reporter: Cheong Voon Leong > Priority: Trivial > Time Spent: 40m > Remaining Estimate: 0h > > I would like to add 2 overloading methods to EnumUtils, getEnum and > getEnumIgnoreCase. > Instead of returning null, if not found. In my opinion I think allowing user > to set a default result is a better approach or return an Optional. > > {noformat} > public static <E extends Enum<E>> E getEnum(final Class<E> enumClass, final > String enumName) { > return getEnum(enumClass, enumName, null); > } > public static <E extends Enum<E>> E getEnum(final Class<E> enumClass, final > String enumName, E defaultEnum) { > if (enumName == null) { > return defaultEnum; > } > try { > return Enum.valueOf(enumClass, enumName); > } catch (final IllegalArgumentException ex) { > return defaultEnum; > } > } > {noformat} > > > {code:java} > public static <E extends Enum<E>> E getEnumIgnoreCase(final Class<E> > enumClass, final String enumName) { > return getEnumIgnoreCase(enumClass, enumName, null); > } > public static <E extends Enum<E>> E getEnumIgnoreCase(final Class<E> > enumClass, final String enumName, E defaultEnum) { > if (enumName == null || !enumClass.isEnum()) { > return defaultEnum; > } > for (final E each : enumClass.getEnumConstants()) { > if (each.name().equalsIgnoreCase(enumName)) { > return each; > } > } > return defaultEnum; > } > {code} > -- This message was sent by Atlassian Jira (v8.3.4#803005)