Use JSON_OK response instead of boolean

src/main/java/org/genesys2/server/servlet/controller/rest/AccessionController.java

@@ -145,7 +145,6 @@ public class AccessionController extends RestController {
 		return rets;
 	}
 
-
 	/**
 	 * Update accessions in the system
 	 * 
@@ -155,8 +154,9 @@ public class AccessionController extends RestController {
 	 */
 	@RequestMapping(value = "/{instCode}/upsert", method = { RequestMethod.POST, RequestMethod.PUT }, produces = { MediaType.APPLICATION_JSON_VALUE })
 	public @ResponseBody
-	boolean upsertInstituteAccession(@PathVariable("instCode") String instCode, @RequestBody String content) throws JsonProcessingException, IOException {
-		// User's permission to WRITE to this WIEWS institute are checked in BatchRESTService.
+	String upsertInstituteAccession(@PathVariable("instCode") String instCode, @RequestBody String content) throws JsonProcessingException, IOException {
+		// User's permission to WRITE to this WIEWS institute are checked in
+		// BatchRESTService.
 		FaoInstitute institute = instituteService.getInstitute(instCode);
 		if (institute == null) {
 			throw new ResourceNotFoundException();
@@ -181,7 +181,8 @@ public class AccessionController extends RestController {
 			batch.put(dataJson, (ObjectNode) json);
 		}
 
-		return batchRESTService.upsertAccessionData(institute, batch);
+		batchRESTService.upsertAccessionData(institute, batch);
+		return JSON_OK;
 	}
 
 	private BatchRESTService.DataJson readAid3(JsonNode json) {

src/main/java/org/genesys2/server/servlet/controller/rest/PermissionController.java

@@ -48,7 +48,8 @@ public class PermissionController extends RestController {
 		Permission[] permissions = new Permission[] { BasePermission.CREATE, BasePermission.DELETE, BasePermission.READ, BasePermission.WRITE,
 				BasePermission.ADMINISTRATION };
 
-		return aclService.addPermissions(permissionJson.oid, permissionJson.clazz, permissionJson.uuid, permissionJson.principal, permissions);
+		aclService.addPermissions(permissionJson.oid, permissionJson.clazz, permissionJson.uuid, permissionJson.principal, permissions);
+		return JSON_OK;
 	}
 
 	public static class PermissionJson {

src/main/java/org/genesys2/server/servlet/controller/rest/RestController.java

@@ -17,6 +17,8 @@ import org.springframework.web.bind.annotation.ResponseBody;
 public abstract class RestController {
 	protected final Log LOG = LogFactory.getLog(getClass());
 
+	protected static final String JSON_OK = "{\"result\":true}";
+
 	public RestController() {
 		super();
 	}

src/main/java/org/genesys2/server/servlet/controller/rest/UserController.java

@@ -47,8 +47,6 @@ import org.springframework.web.bind.annotation.ResponseBody;
 public class UserController extends RestController {
 	private static final Log LOG = LogFactory.getLog(UserController.class);
 
-	private static final String JSON_OK = "{\"response\":\"OK\"}";
-
 	@Autowired
 	protected UserService userService;