import("context""fmt""io""cloud.google.com/go/storage""google.golang.org/api/iterator")// authenticateImplicitWithAdc uses Application Default Credentials// to automatically find credentials and authenticate.funcauthenticateImplicitWithAdc(wio.Writer,projectIdstring)error{// projectId := "your_project_id"ctx:=context.Background()// NOTE: Replace the client created below with the client required for your application.// Note that the credentials are not specified when constructing the client.// The client library finds your credentials using ADC.client,err:=storage.NewClient(ctx)iferr!=nil{returnfmt.Errorf("NewClient: %w",err)}deferclient.Close()it:=client.Buckets(ctx,projectId)for{bucketAttrs,err:=it.Next()iferr==iterator.Done{break}iferr!=nil{returnerr}fmt.Fprintf(w,"Bucket: %v\n",bucketAttrs.Name)}fmt.Fprintf(w,"Listed all storage buckets.\n")returnnil}

importcom.google.api.gax.paging.Page;importcom.google.cloud.storage.Bucket;importcom.google.cloud.storage.Storage;importcom.google.cloud.storage.StorageOptions;importjava.io.IOException;publicclassAuthenticateImplicitWithAdc{publicstaticvoidmain(String[]args)throwsIOException{// TODO(Developer)://  1. Before running this sample,//  set up Application Default Credentials as described in//  https://cloud.google.com/docs/authentication/external/set-up-adc//  2. Replace the project variable below.//  3. Make sure you have the necessary permission to list storage buckets//  "storage.buckets.list"StringprojectId="your-google-cloud-project-id";authenticateImplicitWithAdc(projectId);}// When interacting with Google Cloud Client libraries, the library can auto-detect the// credentials to use.publicstaticvoidauthenticateImplicitWithAdc(Stringproject)throwsIOException{// *NOTE*: Replace the client created below with the client required for your application.// Note that the credentials are not specified when constructing the client.// Hence, the client library will look for credentials using ADC.//// Initialize client that will be used to send requests. This client only needs to be created// once, and can be reused for multiple requests.Storagestorage=StorageOptions.newBuilder().setProjectId(project).build().getService();System.out.println("Buckets:");Page<Bucket>buckets=storage.list();for(Bucketbucket:buckets.iterateAll()){System.out.println(bucket.toString());}System.out.println("Listed all storage buckets.");}}

/** * TODO(developer): *  1. Uncomment and replace these variables before running the sample. *  2. Set up ADC as described in https://cloud.google.com/docs/authentication/external/set-up-adc *  3. Make sure you have the necessary permission to list storage buckets "storage.buckets.list" *    (https://cloud.google.com/storage/docs/access-control/iam-permissions#bucket_permissions) */// const projectId = 'YOUR_PROJECT_ID';const{Storage}=require('@google-cloud/storage');asyncfunctionauthenticateImplicitWithAdc(){// This snippet demonstrates how to list buckets.// NOTE: Replace the client created below with the client required for your application.// Note that the credentials are not specified when constructing the client.// The client library finds your credentials using ADC.conststorage=newStorage({projectId,});const[buckets]=awaitstorage.getBuckets();console.log('Buckets:');for(constbucketofbuckets){console.log(`-${bucket.name}`);}console.log('Listed all storage buckets.');}authenticateImplicitWithAdc();

// Imports the Cloud Storage client library.use Google\Cloud\Storage\StorageClient;/** * Authenticate to a cloud client library using a service account implicitly. * * @param string $projectId The Google project ID. */function auth_cloud_implicit($projectId){    $config = [        'projectId' => $projectId,    ];    # If you don't specify credentials when constructing the client, the    # client library will look for credentials in the environment.    $storage = new StorageClient($config);    # Make an authenticated API request (listing storage buckets)    foreach ($storage->buckets() as $bucket) {        printf('Bucket: %s' . PHP_EOL, $bucket->name());    }}

fromgoogle.cloudimportstoragedefauthenticate_implicit_with_adc(project_id="your-google-cloud-project-id"):"""    When interacting with Google Cloud Client libraries, the library can auto-detect the    credentials to use.    // TODO(Developer):    //  1. Before running this sample,    //  set up ADC as described in https://cloud.google.com/docs/authentication/external/set-up-adc    //  2. Replace the project variable.    //  3. Make sure that the user account or service account that you are using    //  has the required permissions. For this sample, you must have "storage.buckets.list".    Args:        project_id: The project id of your Google Cloud project.    """# This snippet demonstrates how to list buckets.# *NOTE*: Replace the client created below with the client required for your application.# Note that the credentials are not specified when constructing the client.# Hence, the client library will look for credentials using ADC.storage_client=storage.Client(project=project_id)buckets=storage_client.list_buckets()print("Buckets:")forbucketinbuckets:print(bucket.name)print("Listed all storage buckets.")

defauthenticate_implicit_with_adcproject_id:# The ID of your Google Cloud project# project_id = "your-google-cloud-project-id"#### When interacting with Google Cloud Client libraries, the library can auto-detect the# credentials to use.# TODO(Developer):#   1. Before running this sample,#      set up ADC as described in https://cloud.google.com/docs/authentication/external/set-up-adc#   2. Replace the project variable.#   3. Make sure that the user account or service account that you are using#      has the required permissions. For this sample, you must have "storage.buckets.list".###require"google/cloud/storage"# This sample demonstrates how to list buckets.# *NOTE*: Replace the client created below with the client required for your application.# Note that the credentials are not specified when constructing the client.# Hence, the client library will look for credentials using ADC.storage=Google::Cloud::Storage.newproject_id:project_idbuckets=storage.bucketsputs"Buckets: "buckets.eachdo|bucket|putsbucket.nameendputs"Plaintext: Listed all storage buckets."end

usingGoogle.Cloud.Language.V1;usingSystem;publicclassUseApiKeySample{publicvoidAnalyzeSentiment(stringapiKey){LanguageServiceClientclient=newLanguageServiceClientBuilder{ApiKey=apiKey}.Build();stringtext="Hello, world!";AnalyzeSentimentResponseresponse=client.AnalyzeSentiment(Document.FromPlainText(text));Console.WriteLine($"Text: {text}");Sentimentsentiment=response.DocumentSentiment;Console.WriteLine($"Sentiment: {sentiment.Score}, {sentiment.Magnitude}");Console.WriteLine("Successfully authenticated using the API key");}}

#include"google/cloud/language/v1/language_client.h"#include"google/cloud/credentials.h"#include"google/cloud/options.h"voidAuthenticateWithApiKey(std::vector<std::string>const&argv){if(argv.size()!=2){throwgoogle::cloud::testing_util::Usage{"authenticate-with-api-key <project-id> <api-key>"};}namespacegc=::google::cloud;autooptions=gc::Options{}.set<gc::UnifiedCredentialsOption>(gc::MakeApiKeyCredentials(argv[1]));autoclient=gc::language_v1::LanguageServiceClient(gc::language_v1::MakeLanguageServiceConnection(options));autoconstexprkText="Hello, world!";google::cloud::language::v1::Documentd;d.set_content(kText);d.set_type(google::cloud::language::v1::Document::PLAIN_TEXT);autoresponse=client.AnalyzeSentiment(d,{});if(!response)throwstd::move(response.status());autoconst&sentiment=response->document_sentiment();std::cout <<"Text: " <<kText <<"\n";std::cout <<"Sentiment: " <<sentiment.score() <<", "            <<sentiment.magnitude() <<"\n";std::cout <<"Successfully authenticated using the API key\n";}

import("context""fmt""io"language"cloud.google.com/go/language/apiv1""cloud.google.com/go/language/apiv1/languagepb""google.golang.org/api/option")// authenticateWithAPIKey authenticates with an API key for Google Language// service.funcauthenticateWithAPIKey(wio.Writer,apiKeystring)error{// apiKey := "api-key-string"ctx:=context.Background()// Initialize the Language Service client and set the API key.client,err:=language.NewClient(ctx,option.WithAPIKey(apiKey))iferr!=nil{returnfmt.Errorf("NewClient: %w",err)}deferclient.Close()text:="Hello, world!"// Make a request to analyze the sentiment of the text.res,err:=client.AnalyzeSentiment(ctx,&languagepb.AnalyzeSentimentRequest{Document:&languagepb.Document{Source:&languagepb.Document_Content{Content:text,},Type:languagepb.Document_PLAIN_TEXT,},})iferr!=nil{returnfmt.Errorf("AnalyzeSentiment: %w",err)}fmt.Fprintf(w,"Text: %s\n",text)fmt.Fprintf(w,"Sentiment score: %v\n",res.DocumentSentiment.Score)fmt.Fprintln(w,"Successfully authenticated using the API key.")returnnil}

const{v1:{LanguageServiceClient},}=require('@google-cloud/language');/** * Authenticates with an API key for Google Language service. * * @param {string} apiKey An API Key to use */asyncfunctionauthenticateWithAPIKey(apiKey){constlanguage=newLanguageServiceClient({apiKey});// Alternatively:// const {GoogleAuth} = require('google-auth-library');// const auth = new GoogleAuth({apiKey});// const language = new LanguageServiceClient({auth});consttext='Hello, world!';const[response]=awaitlanguage.analyzeSentiment({document:{content:text,type:'PLAIN_TEXT',},});console.log(`Text:${text}`);console.log(`Sentiment:${response.documentSentiment.score},${response.documentSentiment.magnitude}`,);console.log('Successfully authenticated using the API key');}authenticateWithAPIKey();

fromgoogle.cloudimportlanguage_v1defauthenticate_with_api_key(api_key_string:str)->None:"""    Authenticates with an API key for Google Language service.    TODO(Developer): Replace this variable before running the sample.    Args:        api_key_string: The API key to authenticate to the service.    """# Initialize the Language Service client and set the API keyclient=language_v1.LanguageServiceClient(client_options={"api_key":api_key_string})text="Hello, world!"document=language_v1.Document(content=text,type_=language_v1.Document.Type.PLAIN_TEXT)# Make a request to analyze the sentiment of the text.sentiment=client.analyze_sentiment(request={"document":document}).document_sentimentprint(f"Text:{text}")print(f"Sentiment:{sentiment.score},{sentiment.magnitude}")print("Successfully authenticated using the API key")

require"googleauth"require"google/cloud/language/v1"defauthenticate_with_api_keyapi_key_string# Authenticates with an API key for Google Language service.## TODO(Developer): Uncomment the following line and set the value before running this sample.## api_key_string = "mykey12345"## Note: You can also set the API key via environment variable:#   export GOOGLE_API_KEY=your-api-key# and use Google::Auth::APIKeyCredentials.from_env method to load it.# Example:#   credentials = Google::Auth::APIKeyCredentials.from_env#   if credentials.nil?#     puts "No API key found in environment"#     exit#   end# Initialize API key credentials using the class factory methodcredentials=Google::Auth::APIKeyCredentials.make_credsapi_key:api_key_string# Initialize the Language Service client with the API key credentialsclient=Google::Cloud::Language::V1::LanguageService::Client.newdo|config|config.credentials=credentialsend# Create a document to analyzetext="Hello, world!"document={content:text,type::PLAIN_TEXT}# Make a request to analyze the sentiment of the textsentiment=client.analyze_sentiment(document:document).document_sentimentputs"Text:#{text}"puts"Sentiment:#{sentiment.score},#{sentiment.magnitude}"puts"Successfully authenticated using the API key"end