moved test into separate file

Author: ldetmer

auth/README.md

@@ -35,10 +35,14 @@ You can then run a given `ClassName` via:
     mvn exec:java -Dexec.mainClass=com.google.cloud.auth.samples.AuthExample
         -Dexec.args="compute"
 
-### Authenticating using an api key
+### Analyze text sentiment using LanguageService API with API key authentication
 
-    mvn exec:java -Dexec.mainClass=com.google.cloud.auth.samples.AuthExample
-        -Dexec.args="apikey [api key]"
+Create an API key via the Google Cloud console: https://developers.google.com/workspace/guides/create-credentials#api-key
+
+Once you have an API key you can run the command below replacing [api key] with your API key
+
+    mvn exec:java -Dexec.mainClass=com.google.cloud.auth.samples.ApiKeyAuthExample
+        -Dexec.args=[api key]
 
 ## Downscoping with Credential Access Boundaries
 

auth/src/main/java/com/google/cloud/auth/samples/ApiKeyAuthExample.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright 2024 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.cloud.auth.samples;
+
+// [START auth_cloud_api_key]
+import com.google.cloud.language.v2.AnalyzeSentimentResponse;
+import com.google.cloud.language.v2.Document;
+import com.google.cloud.language.v2.LanguageServiceClient;
+import com.google.cloud.language.v2.LanguageServiceSettings;
+import java.io.IOException;
+
+// [END auth_cloud_api_key]
+
+/**
+ * Demonstrate how to authenticate requests using an API Key using the Language API as an example.
+ */
+public class ApiKeyAuthExample {
+
+  // [START auth_cloud_api_key]
+  static void authApiKey(String apiKey) throws IOException {
+    LanguageServiceSettings settings =
+        LanguageServiceSettings.newBuilder().setApiKey(apiKey).build();
+    LanguageServiceClient client = LanguageServiceClient.create(settings);
+    Document document =
+        Document.newBuilder().setContent("Hello World!").setType(Document.Type.PLAIN_TEXT).build();
+
+    AnalyzeSentimentResponse actualResponse = client.analyzeSentiment(document);
+
+    System.out.println(actualResponse.getDocumentSentiment().toString());
+
+    client.close();
+  }
+  // [END auth_cloud_api_keys]
+
+  public static void main(String[] args) throws IOException {
+    if (args.length >= 1) {
+      authApiKey(args[0]);
+      return;
+    } else {
+      throw new IllegalArgumentException("Api key is required for this test");
+    }
+  }
+}

auth/src/main/java/com/google/cloud/auth/samples/AuthExample.java

@@ -20,10 +20,6 @@
 import com.google.auth.appengine.AppEngineCredentials;
 import com.google.auth.oauth2.ComputeEngineCredentials;
 import com.google.auth.oauth2.GoogleCredentials;
-import com.google.cloud.language.v2.AnalyzeSentimentResponse;
-import com.google.cloud.language.v2.Document;
-import com.google.cloud.language.v2.LanguageServiceClient;
-import com.google.cloud.language.v2.LanguageServiceSettings;
 import com.google.cloud.storage.Bucket;
 import com.google.cloud.storage.Storage;
 import com.google.cloud.storage.StorageOptions;
@@ -32,7 +28,7 @@
 import java.io.IOException;
 
 /**
- * Demonstrate various ways to authenticate requests using Cloud Storage/Language APIs as examples.
+ * Demonstrate various ways to authenticate requests using Cloud Storage as an example call.
  */
 public class AuthExample {
   // [START auth_cloud_implicit]
@@ -93,20 +89,6 @@ static void authAppEngineStandard() throws IOException {
   }
   // [END auth_cloud_explicit_app_engine]
 
-  // [START auth_cloud_api_key]
-  static void authApiKey(String apiKey) throws IOException {
-    LanguageServiceSettings settings =
-        LanguageServiceSettings.newBuilder().setApiKey(apiKey).build();
-    LanguageServiceClient client = LanguageServiceClient.create(settings);
-    Document document =
-        Document.newBuilder().setContent("Hello World!").setType(Document.Type.PLAIN_TEXT).build();
-
-    AnalyzeSentimentResponse actualResponse = client.analyzeSentiment(document);
-
-    System.out.println(actualResponse.getDocumentSentiment().toString());
-  }
-  // [END auth_cloud_api_keys]
-
   public static void main(String[] args) throws IOException {
     if (args.length == 0) {
       authImplicit();
@@ -128,15 +110,6 @@ public static void main(String[] args) throws IOException {
       authAppEngineStandard();
       return;
     }
-    if ("apikey".equals(args[0])) {
-      if (args.length >= 2) {
-        authApiKey(args[1]);
-      } else {
-        throw new IllegalArgumentException("Api key is required with 'apikey'.");
-      }
-      return;
-    }
-
     authImplicit();
   }
 }