turning in, all parts done

src/main/java/quickpoll/io/zipcoder/tc_spring_poll_application/controller/PollController.java

@@ -1,5 +1,8 @@
 package quickpoll.io.zipcoder.tc_spring_poll_application.controller;
 
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
+import org.springframework.web.util.UriComponentsBuilder;
 import quickpoll.io.zipcoder.tc_spring_poll_application.domain.Poll;
 import quickpoll.io.zipcoder.tc_spring_poll_application.exception.ResourceNotFoundException;
 import quickpoll.io.zipcoder.tc_spring_poll_application.repositories.PollRepository;
@@ -8,10 +11,14 @@ import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
+import quickpoll.io.zipcoder.tc_spring_poll_application.service.PollService;
 
 import javax.inject.Inject;
+import javax.servlet.http.HttpServletResponse;
 import javax.validation.Valid;
+import javax.xml.ws.Service;
 import java.net.URI;
+import java.util.List;
 
 
 @RestController
@@ -19,6 +26,11 @@ public class PollController {
    @Inject
     private PollRepository pollRepository;
 
+   @Inject
+   private PollService service;
+
+
+
    @RequestMapping(value="/polls", method = RequestMethod.GET)
    public ResponseEntity<Iterable<Poll>> getAllPolls() {
        Iterable<Poll> allPolls = pollRepository.findAll();
@@ -36,6 +48,18 @@ public class PollController {
        return new ResponseEntity<>(header, HttpStatus.CREATED);
    }
 
+   @RequestMapping(value = "/polls", params = {"page", "size"}, method = RequestMethod.GET)
+   @ResponseBody
+   public List<Poll> findPaginated(@RequestParam("page") int page, @RequestParam("size") int size, UriComponentsBuilder uriBuilder, HttpServletResponse response) {
+       Page<Poll> resultPage = service.findPaginated(page,size);
+       if(page> resultPage.getTotalPages()){
+           throw new ResourceNotFoundException();
+       }
+
+
+       return resultPage.getContent();
+   }
+
    @RequestMapping(value="/polls/{pollId}", method = RequestMethod.GET)
     public ResponseEntity<?> getPoll(@PathVariable Long pollId) {
        verifyPoll(pollId);

src/main/java/quickpoll/io/zipcoder/tc_spring_poll_application/repositories/PollRepository.java

@@ -1,7 +1,8 @@
 package quickpoll.io.zipcoder.tc_spring_poll_application.repositories;
 
+import org.springframework.data.jpa.repository.JpaRepository;
 import quickpoll.io.zipcoder.tc_spring_poll_application.domain.Poll;
 import org.springframework.data.repository.CrudRepository;
 
-public interface PollRepository extends CrudRepository<Poll,Long> {
+public interface PollRepository extends JpaRepository<Poll,Long> {
 }

src/main/java/quickpoll/io/zipcoder/tc_spring_poll_application/service/IOperations.java

@@ -0,0 +1,7 @@
+package quickpoll.io.zipcoder.tc_spring_poll_application.service;
+
+import org.springframework.data.domain.Page;
+
+public interface IOperations<T> {
+    public Page<T> findPaginated(final int page, final int size);
+}

src/main/java/quickpoll/io/zipcoder/tc_spring_poll_application/service/PollService.java

@@ -0,0 +1,8 @@
+package quickpoll.io.zipcoder.tc_spring_poll_application.service;
+
+import org.springframework.context.annotation.Bean;
+import quickpoll.io.zipcoder.tc_spring_poll_application.domain.Poll;
+
+
+public interface PollService extends IOperations<Poll> {
+}

src/main/java/quickpoll/io/zipcoder/tc_spring_poll_application/service/PollServiceImp.java

@@ -0,0 +1,22 @@
+package quickpoll.io.zipcoder.tc_spring_poll_application.service;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.stereotype.Service;
+import quickpoll.io.zipcoder.tc_spring_poll_application.domain.Poll;
+import quickpoll.io.zipcoder.tc_spring_poll_application.repositories.PollRepository;
+
+@Service
+public class PollServiceImp implements PollService {
+
+    @Autowired
+    private PollRepository dao;
+
+    @Override
+    public Page<Poll> findPaginated(int page, int size) {
+        return dao.findAll(new PageRequest(page,size));
+
+    }
+
+}