thingsboard-aplcache

diff --git a/application/src/main/java/org/thingsboard/server/controller/CustomerController.java b/application/src/main/java/org/thingsboard/server/controller/CustomerController.java
index c54973f..d87ea5c 100644
--- a/application/src/main/java/org/thingsboard/server/controller/CustomerController.java
+++ b/application/src/main/java/org/thingsboard/server/controller/CustomerController.java
@@ -82,7 +82,7 @@ public class CustomerController extends BaseController {
 
     @PreAuthorize("hasAuthority('TENANT_ADMIN')")
     @RequestMapping(value = "/customer", method = RequestMethod.POST)
-    @ResponseBody 
+    @ResponseBody
     public Customer saveCustomer(@RequestBody Customer customer) throws ThingsboardException {
         try {
             customer.setTenantId(getCurrentUser().getTenantId());
@@ -107,7 +107,7 @@ public class CustomerController extends BaseController {
     }
 
     @PreAuthorize("hasAuthority('TENANT_ADMIN')")
-    @RequestMapping(value = "/customers", params = { "limit" }, method = RequestMethod.GET)
+    @RequestMapping(value = "/customers", params = {"limit"}, method = RequestMethod.GET)
     @ResponseBody
     public TextPageData<Customer> getCustomers(@RequestParam int limit,
                                                @RequestParam(required = false) String textSearch,
@@ -122,4 +122,16 @@ public class CustomerController extends BaseController {
         }
     }
 
+    @PreAuthorize("hasAuthority('TENANT_ADMIN')")
+    @RequestMapping(value = "/tenant/customers", params = {"customerTitle"}, method = RequestMethod.GET)
+    @ResponseBody
+    public Customer getTenantCustomer(
+            @RequestParam String customerTitle) throws ThingsboardException {
+        try {
+            TenantId tenantId = getCurrentUser().getTenantId();
+            return checkNotNull(customerService.findCustomerByTenantIdAndTitle(tenantId, customerTitle));
+        } catch (Exception e) {
+            throw handleException(e);
+        }
+    }
 }

diff --git a/dao/src/main/java/org/thingsboard/server/dao/customer/CustomerService.java b/dao/src/main/java/org/thingsboard/server/dao/customer/CustomerService.java
index 4600d9f..1d1abda 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/customer/CustomerService.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/customer/CustomerService.java
@@ -22,20 +22,24 @@ import org.thingsboard.server.common.data.id.TenantId;
 import org.thingsboard.server.common.data.page.TextPageData;
 import org.thingsboard.server.common.data.page.TextPageLink;
 
+import java.util.Optional;
+
 public interface CustomerService {
 
     Customer findCustomerById(CustomerId customerId);
 
+    Optional<Customer> findCustomerByTenantIdAndTitle(TenantId tenantId, String title);
+
     ListenableFuture<Customer> findCustomerByIdAsync(CustomerId customerId);
 
     Customer saveCustomer(Customer customer);
-    
+
     void deleteCustomer(CustomerId customerId);
 
     Customer findOrCreatePublicCustomer(TenantId tenantId);
 
     TextPageData<Customer> findCustomersByTenantId(TenantId tenantId, TextPageLink pageLink);
-    
+
     void deleteCustomersByTenantId(TenantId tenantId);
 
 }

diff --git a/dao/src/main/java/org/thingsboard/server/dao/customer/CustomerServiceImpl.java b/dao/src/main/java/org/thingsboard/server/dao/customer/CustomerServiceImpl.java
index e8ec21f..f76d654 100644
--- a/dao/src/main/java/org/thingsboard/server/dao/customer/CustomerServiceImpl.java
+++ b/dao/src/main/java/org/thingsboard/server/dao/customer/CustomerServiceImpl.java
@@ -52,6 +52,7 @@ public class CustomerServiceImpl extends AbstractEntityService implements Custom
 
     private static final String PUBLIC_CUSTOMER_TITLE = "Public";
     public static final String INCORRECT_CUSTOMER_ID = "Incorrect customerId ";
+    public static final String INCORRECT_TENANT_ID = "Incorrect tenantId ";
 
     @Autowired
     private CustomerDao customerDao;
@@ -79,6 +80,13 @@ public class CustomerServiceImpl extends AbstractEntityService implements Custom
     }
 
     @Override
+    public Optional<Customer> findCustomerByTenantIdAndTitle(TenantId tenantId, String title) {
+        log.trace("Executing findCustomerByTenantIdAndTitle [{}] [{}]", tenantId, title);
+        validateId(tenantId, INCORRECT_TENANT_ID + tenantId);
+        return customerDao.findCustomersByTenantIdAndTitle(tenantId.getId(), title);
+    }
+
+    @Override
     public ListenableFuture<Customer> findCustomerByIdAsync(CustomerId customerId) {
         log.trace("Executing findCustomerByIdAsync [{}]", customerId);
         validateId(customerId, INCORRECT_CUSTOMER_ID + customerId);

diff --git a/tools/src/main/java/org/thingsboard/client/tools/RestClient.java b/tools/src/main/java/org/thingsboard/client/tools/RestClient.java
index 8ef5125..0baf1db 100644
--- a/tools/src/main/java/org/thingsboard/client/tools/RestClient.java
+++ b/tools/src/main/java/org/thingsboard/client/tools/RestClient.java
@@ -77,6 +77,36 @@ public class RestClient implements ClientHttpRequestInterceptor {
         }
     }
 
+    public Optional<Customer> findCustomer(String title) {
+        Map<String, String> params = new HashMap<String, String>();
+        params.put("customerTitle", title);
+        try {
+            ResponseEntity<Customer> customerEntity = restTemplate.getForEntity(baseURL + "/api/tenant/customers?customerTitle={customerTitle}", Customer.class, params);
+            return Optional.of(customerEntity.getBody());
+        } catch (HttpClientErrorException exception) {
+            if (exception.getStatusCode() == HttpStatus.NOT_FOUND) {
+                return Optional.empty();
+            } else {
+                throw exception;
+            }
+        }
+    }
+
+    public Optional<Asset> findAsset(String name) {
+        Map<String, String> params = new HashMap<String, String>();
+        params.put("assetName", name);
+        try {
+            ResponseEntity<Asset> assetEntity = restTemplate.getForEntity(baseURL + "/api/tenant/assets?assetName={assetName}", Asset.class, params);
+            return Optional.of(assetEntity.getBody());
+        } catch (HttpClientErrorException exception) {
+            if (exception.getStatusCode() == HttpStatus.NOT_FOUND) {
+                return Optional.empty();
+            } else {
+                throw exception;
+            }
+        }
+    }
+
     public Customer createCustomer(String title) {
         Customer customer = new Customer();
         customer.setTitle(title);