fix: remove deprecated methods (googleapis#537)

* remove deprecated methods

* remoive dependency

Co-authored-by: Jeff Ching <[email protected]>

Author: elharo

appengine/java/com/google/auth/appengine/AppEngineCredentials.java

@@ -35,7 +35,6 @@
 import com.google.appengine.api.appidentity.AppIdentityService.GetAccessTokenResult;
 import com.google.appengine.api.appidentity.AppIdentityServiceFactory;
 import com.google.auth.ServiceAccountSigner;
-import com.google.auth.http.HttpTransportFactory;
 import com.google.auth.oauth2.AccessToken;
 import com.google.auth.oauth2.GoogleCredentials;
 import com.google.common.base.MoreObjects;
@@ -46,7 +45,6 @@
 import java.util.Collection;
 import java.util.Date;
 import java.util.Objects;
-import java.util.logging.Logger;
 
 /**
  * OAuth2 credentials representing the built-in service account for Google App Engine. You should
@@ -56,7 +54,6 @@
  */
 public class AppEngineCredentials extends GoogleCredentials implements ServiceAccountSigner {
 
-  private static final Logger logger = Logger.getLogger(AppEngineCredentials.class.getName());
   private static final long serialVersionUID = -2627708355455064660L;
 
   private final String appIdentityServiceClassName;
@@ -65,33 +62,6 @@ public class AppEngineCredentials extends GoogleCredentials implements ServiceAc
 
   private transient AppIdentityService appIdentityService;
 
-  /**
-   * @deprecated AppEngineCredentials should be instantiated via its Builder. See
-   *     https://github.com/googleapis/google-auth-library-java#google-auth-library-appengine
-   */
-  @Deprecated
-  public static GoogleCredentials getApplicationDefault() throws IOException {
-    logger.warning(
-        "You are attempting to "
-            + "fetch Application Default Credentials from com.google.auth.appengine.AppEngineCredentials."
-            + " This method will not return a com.google.auth.appengine.AppEngineCredentials instance.");
-    return GoogleCredentials.getApplicationDefault();
-  }
-
-  /**
-   * @deprecated AppEngineCredentials should be instantiated via its Builder. See
-   *     https://github.com/googleapis/google-auth-library-java#google-auth-library-appengine
-   */
-  @Deprecated
-  public static GoogleCredentials getApplicationDefault(HttpTransportFactory transportFactory)
-      throws IOException {
-    logger.warning(
-        "You are attempting to fetch "
-            + "Application Default Credentials from com.google.auth.appengine.AppEngineCredentials. "
-            + "This method does not return a com.google.auth.appengine.AppEngineCredentials instance.");
-    return GoogleCredentials.getApplicationDefault(transportFactory);
-  }
-
   private AppEngineCredentials(Collection<String> scopes, AppIdentityService appIdentityService) {
     this.scopes = scopes == null ? ImmutableSet.<String>of() : ImmutableList.copyOf(scopes);
     this.appIdentityService =

appengine/javatests/com/google/auth/appengine/AppEngineCredentialsTest.java

@@ -39,9 +39,7 @@
 import static org.junit.Assert.assertTrue;
 import static org.junit.Assert.fail;
 
-import com.google.api.client.http.HttpTransport;
 import com.google.auth.Credentials;
-import com.google.auth.http.HttpTransportFactory;
 import com.google.auth.oauth2.AccessToken;
 import com.google.auth.oauth2.BaseSerializationTest;
 import com.google.auth.oauth2.GoogleCredentials;
@@ -53,9 +51,6 @@
 import java.util.Date;
 import java.util.List;
 import java.util.Map;
-import java.util.logging.Handler;
-import java.util.logging.LogRecord;
-import java.util.logging.Logger;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
@@ -264,61 +259,4 @@ private static void assertContainsBearerToken(Map<String, List<String>> metadata
     }
     assertTrue("Bearer token not found", found);
   }
-
-  @Test
-  @SuppressWarnings("deprecation")
-  public void warnsDefaultCredentials() {
-    Logger logger = Logger.getLogger(AppEngineCredentials.class.getName());
-    LogHandler handler = new LogHandler();
-    logger.addHandler(handler);
-
-    try {
-      Credentials unused = AppEngineCredentials.getApplicationDefault();
-    } catch (IOException ex) {
-      // ignore - this may just fail for not being in a supported environment
-    }
-
-    LogRecord message = handler.getRecord();
-    assertTrue(message.getMessage().contains("You are attempting to"));
-  }
-
-  @Test
-  @SuppressWarnings("deprecation")
-  public void warnsDefaultCredentialsWithTransport() {
-    Logger logger = Logger.getLogger(AppEngineCredentials.class.getName());
-    LogHandler handler = new LogHandler();
-    logger.addHandler(handler);
-
-    try {
-      Credentials unused =
-          AppEngineCredentials.getApplicationDefault(
-              new HttpTransportFactory() {
-                @Override
-                public HttpTransport create() {
-                  return null;
-                }
-              });
-    } catch (IOException ex) {
-      // ignore - this may just fail for not being in a supported environment
-    }
-
-    LogRecord message = handler.getRecord();
-    assertTrue(message.getMessage().contains("You are attempting to"));
-  }
-
-  private class LogHandler extends Handler {
-    LogRecord lastRecord;
-
-    public void publish(LogRecord record) {
-      lastRecord = record;
-    }
-
-    public LogRecord getRecord() {
-      return lastRecord;
-    }
-
-    public void close() {}
-
-    public void flush() {}
-  }
 }

appengine/pom.xml

@@ -58,10 +58,6 @@
       <groupId>com.google.auth</groupId>
       <artifactId>google-auth-library-oauth2-http</artifactId>
     </dependency>
-    <dependency>
-      <groupId>com.google.http-client</groupId>
-      <artifactId>google-http-client</artifactId>
-    </dependency>
     <dependency>
       <groupId>com.google.appengine</groupId>
       <artifactId>appengine-api-1.0-sdk</artifactId>