/**
* retourne une map contenant en clé le getter, et en valeur le setter. La map contient des
* association de getter setter concernant le meme champs. ex: sur une classe Personne possédant
* les méthodes suivantes: getPhone() setFirstName(...) getFirstName(); setLastName(...)
*
* @return
*/
public static HashMap<Method, Method> findGettersAndSetters(final Class<?> clazz) {
final HashMap<Method, Method> map = new HashMap<Method, Method>();
final HashMap<String, Method> getters = new HashMap<String, Method>();
final HashMap<String, Method> setters = new HashMap<String, Method>();
for (final Method method : clazz.getMethods()) {
if (ReflectionUtils.isGetter(method)) {
getters.put(method.getName().replaceFirst("get", ""), method);
} else if (ReflectionUtils.isSetter(method)) {
setters.put(method.getName().replaceFirst("set", ""), method);
}
}
for (final Entry<String, Method> entry : getters.entrySet()) {
if (setters.containsKey(entry.getKey())) {
final Method setter = setters.get(entry.getKey());
final Method getter = entry.getValue();
if (setter.getParameterTypes()[0].equals(getter.getReturnType())) {
map.put(getter, setter);
}
}
}
return map;
}
public static Method findSetter(final String fieldName, final Class<?> clazz)
throws NoSuchMethodException {
Preconditions.checkNotNull(fieldName, "fieldName cannot be null.");
Preconditions.checkNotNull(clazz, "fieldName cannot be clazz.");
final String getterName = "set" + StringUtils.capitalize(fieldName);
for (final Method method : clazz.getMethods()) {
if (ReflectionUtils.isSetter(method) && getterName.equals(method.getName())) {
return method;
}
}
throw new NoSuchMethodException(
"no method " + getterName + " in class " + clazz.getSimpleName());
}