/** new version of mapping annotations */
private MappingData mappingDataForNewAnot(Method method) {
Path path = method.getAnnotation(Path.class);
if (path == null) {
return null;
}
MappingData reqMapping =
new MappingData(null, null, HttpMethodType.ALL, path.value(), method.getName(), null);
Model resultName = method.getAnnotation(Model.class);
if (resultName != null) {
reqMapping.resultName = resultName.value();
}
// resolve HTTP method
if (method.getAnnotation(GET.class) != null) {
reqMapping.httpMethodType = HttpMethodType.GET;
} else if (method.getAnnotation(POST.class) != null) {
reqMapping.httpMethodType = HttpMethodType.POST;
} else if (method.getAnnotation(PUT.class) != null) {
reqMapping.httpMethodType = HttpMethodType.PUT;
} else if (method.getAnnotation(DELETE.class) != null) {
reqMapping.httpMethodType = HttpMethodType.DELETE;
} else if (method.getAnnotation(HEAD.class) != null) {
reqMapping.httpMethodType = HttpMethodType.HEAD;
} else {
reqMapping.httpMethodType = HttpMethodType.ALL;
}
return reqMapping;
}
/**
* Method do scanning of controller's class and produce {@link ClassInvoker} object
*
* @param controllerClass
* @param injector
* @return instance of the class invoker for annotated class.
* @throws Exception
*/
public ClassInvoker scan(Class<?> controllerClass, Injector injector) {
try {
InterceptorService interceptorService = injector.getInstance(InterceptorService.class);
if (interceptorService == null) {
throw new IllegalStateException("The InterceptorService doesn't exists in guice module");
}
Controller controllerAnotation = controllerClass.getAnnotation(Controller.class);
if (controllerAnotation == null) {
throw new IllegalStateException(
"Class is not defined as a controller. Missing @Controller annotation.");
}
// scan session attributes & default view
List<String> sessionAttrList = Arrays.asList(controllerAnotation.sessionAttributes());
// scan methods
List<Method> methods = Arrays.asList(controllerClass.getMethods());
List<MethodInvoker> scannedInvokers = new LinkedList<MethodInvoker>();
for (Method method : methods) {
MappingData reqMappingData = mappingDataForNewAnot(method);
if (reqMappingData == null) {
reqMappingData = mappingDataForNewAnot(method);
}
if (reqMappingData != null) {
reqMappingData.injector = injector;
reqMappingData.controllerClass = controllerClass;
reqMappingData.method = method;
// create the invoker
MethodInvoker invoker = MethodInvokerImpl.createInvoker(reqMappingData);
// at the end is filter decorator
MethodInvoker filteredInvoker = new MethodInvokerFilter(reqMappingData, invoker);
scannedInvokers.add(filteredInvoker);
}
}
if (scannedInvokers != null) {
Collections.sort(scannedInvokers);
}
return new ClassInvoker(controllerClass, scannedInvokers, sessionAttrList);
} catch (Exception e) {
throw new ScannerException(controllerClass, e);
}
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = (prime * result) + ((desc == null) ? 0 : desc.hashCode());
result = (prime * result) + ((fieldOwner == null) ? 0 : fieldOwner.hashCode());
result = (prime * result) + ((name == null) ? 0 : name.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
FieldMappingData other = (FieldMappingData) obj;
if (desc == null) {
if (other.desc != null) return false;
} else if (!desc.equals(other.desc)) return false;
if (fieldOwner == null) {
if (other.fieldOwner != null) return false;
} else if (!fieldOwner.equals(other.fieldOwner)) return false;
if (name == null) {
if (other.name != null) return false;
} else if (!name.equals(other.name)) return false;
return true;
}