View your data source configurations

  import 
  
 com.google.api.gax.core.FixedCredentialsProvider 
 ; 
 import 
  
 com.google.auth.oauth2.GoogleCredentials 
 ; 
 import 
  
 com.google.shopping.merchant.datasources.v1.DataSource 
 ; 
 import 
  
 com.google.shopping.merchant.datasources.v1.DataSourcesServiceClient 
 ; 
 import 
  
 com.google.shopping.merchant.datasources.v1.DataSourcesServiceClient.ListDataSourcesPagedResponse 
 ; 
 import 
  
 com.google.shopping.merchant.datasources.v1.DataSourcesServiceSettings 
 ; 
 import 
  
 com.google.shopping.merchant.datasources.v1.ListDataSourcesRequest 
 ; 
 import 
  
 java.util.ArrayList 
 ; 
 import 
  
 shopping.merchant.samples.utils.Authenticator 
 ; 
 import 
  
 shopping.merchant.samples.utils.Config 
 ; 
 /** This class demonstrates how to list all the datasources for a given Merchant Center account */ 
 public 
  
 class 
 ListDataSourcesSample 
  
 { 
  
 private 
  
 static 
  
 String 
  
 getParent 
 ( 
 String 
  
 accountId 
 ) 
  
 { 
  
 return 
  
 String 
 . 
 format 
 ( 
 "accounts/%s" 
 , 
  
 accountId 
 ); 
  
 } 
  
 public 
  
 static 
  
 ArrayList<DataSource> 
  
 listDataSources 
 ( 
 Config 
  
 config 
 ) 
  
 throws 
  
 Exception 
  
 { 
  
 // Obtains OAuth token based on the user's configuration. 
  
 GoogleCredentials 
  
 credential 
  
 = 
  
 new 
  
 Authenticator 
 (). 
 authenticate 
 (); 
  
 // Creates service settings using the credentials retrieved above. 
  
 DataSourcesServiceSettings 
  
 dataSourcesServiceSettings 
  
 = 
  
 DataSourcesServiceSettings 
 . 
 newBuilder 
 () 
  
 . 
 setCredentialsProvider 
 ( 
 FixedCredentialsProvider 
 . 
 create 
 ( 
 credential 
 )) 
  
 . 
 build 
 (); 
  
 // Creates parent to identify the account from which to list all the datasources. 
  
 String 
  
 parent 
  
 = 
  
 getParent 
 ( 
 config 
 . 
 getAccountId 
 (). 
 toString 
 ()); 
  
 // Calls the API and catches and prints any network failures/errors. 
  
 try 
  
 ( 
 DataSourcesServiceClient 
  
 dataSourcesServiceClient 
  
 = 
  
 DataSourcesServiceClient 
 . 
 create 
 ( 
 dataSourcesServiceSettings 
 )) 
  
 { 
  
 // The parent has the format: accounts/{account} 
  
 ListDataSourcesRequest 
  
 request 
  
 = 
  
 ListDataSourcesRequest 
 . 
 newBuilder 
 (). 
 setParent 
 ( 
 parent 
 ). 
 build 
 (); 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 "Sending list datasources request:" 
 ); 
  
 ListDataSourcesPagedResponse 
  
 response 
  
 = 
  
 dataSourcesServiceClient 
 . 
 listDataSources 
 ( 
 request 
 ); 
  
 int 
  
 count 
  
 = 
  
 0 
 ; 
  
 ArrayList<DataSource> 
  
 dataSources 
  
 = 
  
 new 
  
 ArrayList<DataSource> 
 (); 
  
 ArrayList<DataSource> 
  
 justPrimaryDataSources 
  
 = 
  
 new 
  
 ArrayList<DataSource> 
 (); 
  
 // Iterates over all rows in all pages and prints the datasource in each row. 
  
 // Automatically uses the `nextPageToken` if returned to fetch all pages of data. 
  
 for 
  
 ( 
 DataSource 
  
 element 
  
 : 
  
 response 
 . 
 iterateAll 
 ()) 
  
 { 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 element 
 ); 
  
 count 
 ++ 
 ; 
  
 dataSources 
 . 
 add 
 ( 
 element 
 ); 
  
 // The below lines show how to filter datasources based on type. 
  
 // `element.hasSupplementalProductDataSource()` would give you supplemental 
  
 // datasources, etc. 
  
 if 
  
 ( 
 element 
 . 
 hasPrimaryProductDataSource 
 ()) 
  
 { 
  
 justPrimaryDataSources 
 . 
 add 
 ( 
 element 
 ); 
  
 } 
  
 } 
  
 System 
 . 
 out 
 . 
 print 
 ( 
 "The following count of elements were returned: " 
 ); 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 count 
 ); 
  
 return 
  
 dataSources 
 ; 
  
 } 
  
 catch 
  
 ( 
 Exception 
  
 e 
 ) 
  
 { 
  
 System 
 . 
 out 
 . 
 println 
 ( 
 e 
 ); 
  
 System 
 . 
 exit 
 ( 
 1 
 ); 
  
 return 
  
 null 
 ; 
  
 // Necessary to satisfy the compiler as we're not returning an 
  
 // ArrayList<DataSource> on failure. 
  
 } 
  
 } 
  
 public 
  
 static 
  
 void 
  
 main 
 ( 
 String 
 [] 
  
 args 
 ) 
  
 throws 
  
 Exception 
  
 { 
  
 Config 
  
 config 
  
 = 
  
 Config 
 . 
 load 
 (); 
  
 listDataSources 
 ( 
 config 
 ); 
  
 } 
 } 
 
  ListDataSourcesSample 
 . 
 java 
 
 
 

  use Google\ApiCore\ApiException; 
 use Google\Shopping\Merchant\DataSources\V1\Client\DataSourcesServiceClient; 
 use Google\Shopping\Merchant\DataSources\V1\DataSource; 
 use Google\Shopping\Merchant\DataSources\V1\ListDataSourcesRequest; 
 /** 
 * Class to demonstrate listing all the datasources for a given Merchant Center 
 * account. 
 */ 
 class ListDataSourcesSample 
 { 
 /** 
 * Lists all DataSources for the given Merchant Center account. 
 * 
 * @param int $merchantId The Merchant Center Account ID. 
 * @return array An array of DataSources. 
 */ 
 public function listDataSources(int $merchantId): array 
 { 
 // Gets the OAuth credentials to make the request. 
 $credentials = Authentication::useServiceAccountOrTokenFile(); 
 // Creates options config containing credentials for the client to use. 
 $options = ['credentials' => $credentials]; 
 // Creates a client. 
 $dataSourcesServiceClient = new DataSourcesServiceClient($options); 
 $parent = sprintf('accounts/%s', $merchantId); 
 // Creates the request. 
 $request = (new ListDataSourcesRequest()) 
 ->setParent($parent); 
 print('Sending list datasources request:' . PHP_EOL); 
 // Calls the API and catches and prints any network failures/errors. 
 try { 
 $response = $dataSourcesServiceClient->listDataSources($request); 
 $dataSources = []; 
 $justPrimaryDataSources = []; 
 /** @var DataSource $element */ 
 foreach ($response as $element) { 
 print($element->serializeToJsonString() . PHP_EOL); 
 $dataSources[] = $element; 
 // The below lines show how to filter datasources based on type. 
 // `element.hasSupplementalProductDataSource()` would give you supplemental 
 // datasources, etc. 
 if ($element->hasPrimaryProductDataSource()) { 
 $justPrimaryDataSources[] = $element; 
 } 
 } 
 print('The following count of datasources were returned: ' . count($dataSources) . PHP_EOL); 
 print('... of which are primary datasources: ' . count($justPrimaryDataSources) . PHP_EOL); 
 return $dataSources; 
 } catch (ApiException $ex) { 
 print('Call failed with message: ' . $ex->getMessage() . PHP_EOL); 
 return []; 
 } 
 } 
 // Helper to execute the sample. 
 public function callSample(): void 
 { 
 $config = Config::generateConfig(); 
 // The Merchant Center Account ID. 
 $merchantId = $config['accountId']; 
 self::listDataSources($merchantId); 
 } 
 } 
 $sample = new ListDataSourcesSample(); 
 $sample->callSample(); 
 ListDataSourcesSample.php