// TODO do it through spoing validaion or AOP
private AddressBookResponse NPECheck(String name, String lname) {
AddressBookResponse addressBookResponse = null;
if (name == null || name.isEmpty()) {
addressBookResponse = new AddressBookResponse();
addressBookResponse.setCode(Status.BAD_REQUEST);
addressBookResponse.setMessage("name cannot be '" + name + "'");
} else if (lname == null || lname.isEmpty()) {
addressBookResponse = new AddressBookResponse();
addressBookResponse.setCode(Status.BAD_REQUEST);
addressBookResponse.setMessage("name cannot be '" + name + "'");
}
return addressBookResponse;
}
/**
* rest endpoint to insert new contact to address book returns 201 Created response if
* successfully created and returns 409 conflict if Name and Last Name already existing in contact
* list
*/
@POST
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
@Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
@Path("/contact/{name}")
public Response add(@PathParam("name") String name, Contact contact) {
AddressBookResponse addressBookResponse = new AddressBookResponse();
contact.setName(name);
if (processor.add(contact)) {
addressBookResponse.setCode(Status.CREATED);
addressBookResponse.setMessage("Success");
} else {
addressBookResponse.setCode(Status.CONFLICT);
addressBookResponse.setMessage(
"contact for " + contact.getName() + " " + contact.getlName() + " already exists");
}
return Response.ok().entity(addressBookResponse).build();
}
/**
* End point to get all existing contacts returns all existing contacts and wrapped into {@link
* AddressBookResponse}
*/
@GET
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
@Path("/contacts")
public Response getAll() {
AddressBookResponse addressBookResponse = new AddressBookResponse();
addressBookResponse.setContacts(processor.pullAllRecords());
addressBookResponse.setCode(Status.OK);
addressBookResponse.setMessage("Success");
return Response.ok().entity(addressBookResponse).build();
}
/**
* rest endpoint to update exisitng contact to address book returns 200 response if successfully
* updated and returns 404 notfound if Name and Last Name does not existing in contact list
*/
@PUT
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
@Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
@Path("/contact/{name}")
public Response update(@PathParam("name") String name, Contact contact) {
contact.setName(name);
AddressBookResponse addressBookResponse = new AddressBookResponse();
if (processor.update(contact)) {
addressBookResponse.setCode(Status.OK);
addressBookResponse.setMessage("Success");
addressBookResponse.setMessage("Entery got successfully created");
} else {
addressBookResponse.setCode(Status.NOT_FOUND);
addressBookResponse.setMessage(
"contact for " + contact.getName() + " " + contact.getlName() + " does not exist");
}
return Response.ok().entity(addressBookResponse).build();
}
/**
* Endpoint "/contact/{firstName}" to delete specified contact takes firstname path variable and
* last name as query param returns 200 response if contact found and deleted successfully and 404
* 'Not_Found is contact does not exisit. response is wrapped in {@link #AddressBookResponse}
*/
@DELETE
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
@Consumes({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
@Path("/contact/{name}")
public Response delete(@PathParam("name") String name, @QueryParam("lname") String lname) {
AddressBookResponse addressBookResponse = null;
addressBookResponse = NPECheck(name, lname);
if (addressBookResponse == null) {
addressBookResponse = new AddressBookResponse();
if (processor.delete(name, lname)) {
addressBookResponse.setCode(Status.OK);
addressBookResponse.setMessage("Success");
} else {
addressBookResponse.setCode(Status.NOT_FOUND);
addressBookResponse.setMessage("contact for " + name + " " + lname + " does not exist");
}
}
return Response.ok().entity(addressBookResponse).build();
}
/**
* Endpoint to get contact by first name and last specified in query parameter {@link
* #get(FirstName, Last Name)} returns 200 response with contact information and 404 'Not_Found if
* contact does not exisit. response is wrapped in {@link #AddressBookResponse}
*/
@GET
@Produces({MediaType.APPLICATION_JSON, MediaType.APPLICATION_XML})
@Path("/contact")
public Response get(@QueryParam("name") String name, @QueryParam("lname") String lname) {
AddressBookResponse addressBookResponse = new AddressBookResponse();
addressBookResponse = NPECheck(name, lname);
if (addressBookResponse == null) {
addressBookResponse = new AddressBookResponse();
Contact contact = processor.pullContact(name, lname);
if (contact != null) {
List<Contact> contacts = new ArrayList<Contact>();
contacts.add(contact);
addressBookResponse.setContacts(contacts);
addressBookResponse.setCode(Status.OK);
addressBookResponse.setMessage("Success");
} else {
addressBookResponse.setCode(Status.NOT_FOUND);
addressBookResponse.setMessage("contact for " + name + " " + lname + " does not exist");
}
}
return Response.ok().entity(addressBookResponse).build();
}