public static <T extends Annotation> Annotation getMapperClassMethodAnnotation(
MappedStatement ms, Class<T> annotationClass) {
try {
String id = ms.getId();
int pos = id.lastIndexOf(".");
String className = id.substring(0, pos);
String methodName = id.substring(pos + 1);
Class<?> clazz = ms.getConfiguration().getClass();
Field field = clazz.getDeclaredField("mapperRegistry");
field.setAccessible(true);
MapperRegistry mapperRegistry = (MapperRegistry) field.get(ms.getConfiguration());
clazz = mapperRegistry.getClass();
field = clazz.getDeclaredField("knownMappers");
field.setAccessible(true);
Set<Class<?>> knownMappers = (Set<Class<?>>) field.get(mapperRegistry);
clazz = null;
for (Class mapper : knownMappers) {
if (mapper.getName().equals(className)) {
clazz = mapper;
break;
}
}
if (clazz == null) {
return null;
}
// Class parameterType = ms.getParameterMap().getType();
// clazz.getDeclaredMethods();
// List<Class> paramList = new ArrayList<Class>();
// if (param instanceof Map) {
// Map paramMap = (Map) param;
// Iterator<String> iterator = paramMap.keySet().iterator();
// while (iterator.hasNext()) {
// String paramName = iterator.next();
// if (paramName.startsWith("param")) {
// continue;
// }
//
// Object value = paramMap.get(paramName);
// if(value == null){
// paramList.add(parameterType);
// }else{
// paramList.add(value.getClass());
// }
// }
// } else {
// paramList.add(param.getClass());
// }
// Method method = clazz.getDeclaredMethod(methodName,
// paramList.toArray(new Class[paramList.size()]));
Method method = clazz.getDeclaredMethod(methodName, ms.getParameterMap().getType());
return method.getAnnotation(annotationClass);
} catch (Throwable e) {
// do nothing.
}
return null;
}
@Override
public boolean hasMapper(Class<?> type) {
return mapperRegistry.hasMapper(type);
}
@Override
public <T> T getMapper(Class<T> type, SqlSession sqlSession) {
return mapperRegistry.getMapper(type, sqlSession);
}
@Override
public <T> void addMapper(Class<T> type) {
mapperRegistry.addMapper(type);
}