ContactRestController.java

package demo;

import java.util.Collection;

import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

@RestController
@RequestMapping("/{userId}/contacts")
public class ContactRestController {

	private final ContactRepository contactRepository;

	public ContactRestController(ContactRepository contactRepository) {
		this.contactRepository = contactRepository;
	}

	@RequestMapping(method = RequestMethod.GET)
	public Collection<Contact> getContacts(@PathVariable String userId) {
		return this.contactRepository.findByUserId(userId);
	}

	@RequestMapping(value = "/{contactId}", method = RequestMethod.GET)
	public Contact getContact(@PathVariable String userId, @PathVariable Long contactId) {
		return this.contactRepository.findByUserIdAndId(userId, contactId);
	}

	@RequestMapping(method = RequestMethod.POST)
	public Contact createContact(@PathVariable String userId,
			@RequestBody Contact contact) {
		return this.contactRepository.save(new Contact(userId, contact.getFirstName(),
				contact.getLastName(), contact.getEmail(), contact.getRelationship()));
	}

}