我在做一个Junit教程,我遇到了这个正在测试的规范化函数。它是这样定义的:这是如何规范化功能的工作?
public static String normalizeWord(String word) {
try {
int i;
Class<?> normalizerClass = Class.forName("java.text.Normalizer");
Class<?> normalizerFormClass = null;
Class<?>[] nestedClasses = normalizerClass.getDeclaredClasses();
for (i = 0; i < nestedClasses.length; i++) {
Class<?> nestedClass = nestedClasses[i];
if (nestedClass.getName().equals("java.text.Normalizer$Form")) {
normalizerFormClass = nestedClass;
}
}
assert normalizerFormClass.isEnum();
Method methodNormalize = normalizerClass.getDeclaredMethod(
"normalize",
CharSequence.class,
normalizerFormClass);
Object nfcNormalization = null;
Object[] constants = normalizerFormClass.getEnumConstants();
for (i = 0; i < constants.length; i++) {
Object constant = constants[i];
if (constant.toString().equals("NFC")) {
nfcNormalization = constant;
}
}
return (String) methodNormalize.invoke(null, word, nfcNormalization);
} catch (Exception ex) {
return null;
}
}
这个函数是如何工作的?它究竟在做什么?
这属于TheDailyWTF。 – 2009-08-14 20:06:35