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throw IllegalArgumentException from Enum.valueOf if name does not match any value

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This commit is contained in:
Joel Dice 2009-08-13 08:57:58 -06:00
parent fb37f48237
commit 864a28f2ce
1 changed files with 12 additions and 11 deletions
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23
classpath/java/lang/Enum.java
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@ -26,20 +26,21 @@ public abstract class Enum<E extends Enum<E>> implements Comparable<E> {
} }
public static <T extends Enum<T>> T valueOf(Class<T> enumType, String name) { public static <T extends Enum<T>> T valueOf(Class<T> enumType, String name) {
if (name != null) { if (name == null) throw new NullPointerException();
try {
Method method = enumType.getMethod("values"); try {
Enum values[] = (Enum[])(method.invoke(null)); Method method = enumType.getMethod("values");
for (Enum value : values) { Enum values[] = (Enum[]) (method.invoke(null));
if (name.equals(value.name)) { for (Enum value: values) {
return (T) value; if (name.equals(value.name)) {
} return (T) value;
} }
} catch (Exception ex) {
throw new RuntimeException(ex);
} }
} catch (Exception ex) {
throw new RuntimeException(ex);
} }
return null;
throw new IllegalArgumentException(name);
} }
public int ordinal() { public int ordinal() {