refactor: rename getApiAudienceString to getGdchAudience

Author: diegomarquezp

oauth2_http/java/com/google/auth/oauth2/GdchCredentials.java

@@ -388,18 +388,18 @@ public final URI getTokenServerUri() {
    *
    * @return the audience string
    */
-  public final String getApiAudienceString() {
+  public final String getGdchAudience() {
     return apiAudience;
   }
 
   /**
-   * NOTE: This method is obsolete, please use getApiAudienceString() instead. Returns a URI
+   * NOTE: This method is obsolete, please use getGdchAudience() instead. Returns a URI
    * representation of the underlying audience string set for this credentials object. This method
    * may fail if the underlying audience string does not conform to a URI format.
    *
    * @return a URI object representing the audience of the credentials
    */
-  @ObsoleteApi("Use getApiAudienceString() instead.")
+  @ObsoleteApi("Use getGdchAudience() instead.")
   public final URI getApiAudience() {
     if (Strings.isNullOrEmpty(apiAudience)) {
       return null;

oauth2_http/javatests/com/google/auth/oauth2/GdchCredentialsTest.java

@@ -505,7 +505,7 @@ void createWithGdchAudience_correct() throws IOException {
     assertEquals(SERVICE_IDENTITY_NAME, gdchWithAudience.getServiceIdentityName());
     assertEquals(TOKEN_SERVER_URI, gdchWithAudience.getTokenServerUri());
     assertEquals(CA_CERT_PATH, credentials.getCaCertPath());
-    assertEquals(API_AUDIENCE, gdchWithAudience.getApiAudienceString());
+    assertEquals(API_AUDIENCE, gdchWithAudience.getGdchAudience());
   }
 
   @Test
@@ -549,7 +549,7 @@ void createWithGdchAudience_emptyApiAudience() throws IOException {
   }
 
   @Test
-  void getApiAudienceString_vs_getApiAudience() throws IOException {
+  void getGdchAudience_vs_getApiAudience() throws IOException {
     GenericJson json =
         writeGdchServiceAccountJson(
             FORMAT_VERSION,
@@ -563,12 +563,12 @@ void getApiAudienceString_vs_getApiAudience() throws IOException {
 
     String validUri = "https://valid-audience.com";
     GdchCredentials validCredentials = credentials.createWithGdchAudience(validUri);
-    assertEquals(validUri, validCredentials.getApiAudienceString());
+    assertEquals(validUri, validCredentials.getGdchAudience());
     assertEquals(URI.create(validUri), validCredentials.getApiAudience());
 
     String invalidUri = "invalid uri ^";
     GdchCredentials invalidCredentials = credentials.createWithGdchAudience(invalidUri);
-    assertEquals(invalidUri, invalidCredentials.getApiAudienceString());
+    assertEquals(invalidUri, invalidCredentials.getGdchAudience());
     assertNull(invalidCredentials.getApiAudience());
   }