[疑难] 有办法遍历命名枚举吗？
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zozoh
2009-03-17
package com.zzh.castor.castor;
import java.lang.reflect.Field;
import com.zzh.castor.Castor;
import com.zzh.castor.FailToCastObjectException;
import com.zzh.lang.Lang;
@SuppressWarnings("unchecked")
public class Number2Enum extends Castor<Number, Enum> {
@Override
protected Enum cast(Number src, Class<?> toType, String... args) throws FailToCastObjectException {
try {
for (Field field : toType.getFields()) {
if (field.getType() == toType) {
Enum em = (Enum) field.get(null);
if (em.ordinal() == src.intValue())
return em;
}
}
throw Lang.makeThrow(FailToCastObjectException.class,
"Can NO find enum value in [%s] by int value '%d'", toType.getName(), src .intValue());
} catch (Exception e) {
throw Lang.wrapThrow(e, FailToCastObjectException.class);
}
}
}
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tomqyp
2009-03-18
有个库可以在运行时取到类名，变量名等信息，不过编译时要打开调试信息开关.
具体什么名字我也不记得了，可以翻翻以前的贴子 |
