public static Method getPropertyGetter(Class<?> type, String propertyName)
throws NoSuchMethodException {
if (isPropertyIsGetter(type, propertyName)) {
return type.getMethod("is" + ObjectHelper.capitalize(propertyName));
} else {
return type.getMethod("get" + ObjectHelper.capitalize(propertyName));
}
}
public static Set<Method> findSetterMethods(
Class<?> clazz, String name, boolean allowBuilderPattern) {
Set<Method> candidates = new LinkedHashSet<Method>();
// Build the method name.
name = "set" + ObjectHelper.capitalize(name);
while (clazz != Object.class) {
// Since Object.class.isInstance all the objects,
// here we just make sure it will be add to the bottom of the set.
Method objectSetMethod = null;
Method[] methods = clazz.getMethods();
for (Method method : methods) {
if (method.getName().equals(name) && isSetter(method, allowBuilderPattern)) {
Class<?> params[] = method.getParameterTypes();
if (params[0].equals(Object.class)) {
objectSetMethod = method;
} else {
candidates.add(method);
}
}
}
if (objectSetMethod != null) {
candidates.add(objectSetMethod);
}
clazz = clazz.getSuperclass();
}
return candidates;
}
public static Method getPropertySetter(Class<?> type, String propertyName)
throws NoSuchMethodException {
String name = "set" + ObjectHelper.capitalize(propertyName);
for (Method method : type.getMethods()) {
if (isSetter(method) && method.getName().equals(name)) {
return method;
}
}
throw new NoSuchMethodException(type.getCanonicalName() + "." + name);
}
public static boolean isPropertyIsGetter(Class<?> type, String propertyName) {
try {
Method method = type.getMethod("is" + ObjectHelper.capitalize(propertyName));
if (method != null) {
return method.getReturnType().isAssignableFrom(boolean.class)
|| method.getReturnType().isAssignableFrom(Boolean.class);
}
} catch (NoSuchMethodException e) {
// ignore
}
return false;
}
