Adds of factory method to bigquery and storage Acl

gcloud-java-bigquery/src/main/java/com/google/gcloud/bigquery/Acl.java

@@ -370,22 +370,11 @@ Access toPb() {
     }
   }
 
-  /**
-   * Build an ACL for an {@code entity} and a {@code role}.
-   */
-  public Acl(Entity entity, Role role) {
+  private Acl(Entity entity, Role role) {
     this.entity = checkNotNull(entity);
     this.role = role;
   }
 
-  /**
-   * Build an ACL for a view entity.
-   */
-  public Acl(View view) {
-    this.entity = checkNotNull(view);
-    this.role = null;
-  }
-
   /**
    * Returns the entity for this ACL.
    */
@@ -400,6 +389,23 @@ public Role role() {
     return role;
   }
 
+  /**
+   * Returns an Acl object.
+   *
+   * @param entity the entity for this ACL object
+   * @param role the role to associate to the {@code entity} object
+   */
+  public static Acl of(Entity entity, Role role) {
+    return new Acl(entity, role);
+  }
+
+  /**
+   * Returns an Acl object for a view entity.
+   */
+  public static Acl of(View view) {
+    return new Acl(view, null);
+  }
+
   @Override
   public int hashCode() {
     return Objects.hash(entity, role);
@@ -432,7 +438,7 @@ Access toPb() {
   }
 
   static Acl fromPb(Access access) {
-    return new Acl(Entity.fromPb(access),
+    return Acl.of(Entity.fromPb(access),
         access.getRole() != null ? Role.valueOf(access.getRole()) : null);
   }
 }

gcloud-java-bigquery/src/main/java/com/google/gcloud/bigquery/BigQueryImpl.java

@@ -621,7 +621,7 @@ private DatasetInfo setProjectId(DatasetInfo dataset) {
           if (viewReferencePb.getProjectId() == null) {
             viewReferencePb.setProjectId(options().projectId());
           }
-          acls.add(new Acl(new Acl.View(TableId.fromPb(viewReferencePb))));
+          acls.add(Acl.of(new Acl.View(TableId.fromPb(viewReferencePb))));
         } else {
           acls.add(acl);
         }

gcloud-java-bigquery/src/test/java/com/google/gcloud/bigquery/AclTest.java

@@ -81,14 +81,14 @@ public void testViewEntity() {
   }
 
   @Test
-  public void testAcl() {
-    Acl acl = new Acl(Group.ofAllAuthenticatedUsers(), Role.READER);
+  public void testOf() {
+    Acl acl = Acl.of(Group.ofAllAuthenticatedUsers(), Role.READER);
     assertEquals(Group.ofAllAuthenticatedUsers(), acl.entity());
     assertEquals(Role.READER, acl.role());
     Dataset.Access pb = acl.toPb();
     assertEquals(acl, Acl.fromPb(pb));
     View view = new View(TableId.of("project", "dataset", "view"));
-    acl = new Acl(view);
+    acl = Acl.of(view);
     assertEquals(view, acl.entity());
     assertEquals(null, acl.role());
   }

gcloud-java-bigquery/src/test/java/com/google/gcloud/bigquery/BigQueryImplTest.java

@@ -68,11 +68,11 @@ public class BigQueryImplTest {
   private static final String OTHER_TABLE = "otherTable";
   private static final String OTHER_DATASET = "otherDataset";
   private static final List<Acl> ACCESS_RULES = ImmutableList.of(
-      new Acl(Acl.Group.ofAllAuthenticatedUsers(), Acl.Role.READER),
-      new Acl(new Acl.View(TableId.of("dataset", "table")), Acl.Role.WRITER));
+      Acl.of(Acl.Group.ofAllAuthenticatedUsers(), Acl.Role.READER),
+      Acl.of(new Acl.View(TableId.of("dataset", "table")), Acl.Role.WRITER));
   private static final List<Acl> ACCESS_RULES_WITH_PROJECT = ImmutableList.of(
-      new Acl(Acl.Group.ofAllAuthenticatedUsers(), Acl.Role.READER),
-      new Acl(new Acl.View(TableId.of(PROJECT, "dataset", "table"))));
+      Acl.of(Acl.Group.ofAllAuthenticatedUsers(), Acl.Role.READER),
+      Acl.of(new Acl.View(TableId.of(PROJECT, "dataset", "table"))));
   private static final DatasetInfo DATASET_INFO = DatasetInfo.builder(DATASET)
       .acl(ACCESS_RULES)
       .description("description")

gcloud-java-bigquery/src/test/java/com/google/gcloud/bigquery/DatasetInfoTest.java

@@ -28,8 +28,8 @@
 public class DatasetInfoTest {
 
   private static final List<Acl> ACCESS_RULES = ImmutableList.of(
-      new Acl(Acl.Group.ofAllAuthenticatedUsers(), Acl.Role.READER),
-      new Acl(new Acl.View(TableId.of("project", "dataset", "table")), Acl.Role.WRITER));
+      Acl.of(Acl.Group.ofAllAuthenticatedUsers(), Acl.Role.READER),
+      Acl.of(new Acl.View(TableId.of("project", "dataset", "table")), Acl.Role.WRITER));
   private static final Long CREATION_TIME = System.currentTimeMillis();
   private static final Long DEFAULT_TABLE_EXPIRATION = CREATION_TIME + 100;
   private static final String DESCRIPTION = "description";

gcloud-java-bigquery/src/test/java/com/google/gcloud/bigquery/SerializationTest.java

@@ -42,12 +42,12 @@
 public class SerializationTest {
 
   private static final Acl DOMAIN_ACCESS =
-      new Acl(new Acl.Domain("domain"), Acl.Role.WRITER);
+      Acl.of(new Acl.Domain("domain"), Acl.Role.WRITER);
   private static final Acl GROUP_ACCESS =
-      new Acl(Acl.Group.ofAllAuthenticatedUsers(), Acl.Role.READER);
-  private static final Acl USER_ACCESS = new Acl(new Acl.User("user"), Acl.Role.OWNER);
+      Acl.of(Acl.Group.ofAllAuthenticatedUsers(), Acl.Role.READER);
+  private static final Acl USER_ACCESS = Acl.of(new Acl.User("user"), Acl.Role.OWNER);
   private static final Acl VIEW_ACCESS =
-      new Acl(new Acl.View(TableId.of("project", "dataset", "table")), Acl.Role.WRITER);
+      Acl.of(new Acl.View(TableId.of("project", "dataset", "table")), Acl.Role.WRITER);
   private static final List<Acl> ACCESS_RULES = ImmutableList.of(DOMAIN_ACCESS, GROUP_ACCESS,
       VIEW_ACCESS, USER_ACCESS);
   private static final Long CREATION_TIME = System.currentTimeMillis() - 10;

gcloud-java-storage/src/main/java/com/google/gcloud/storage/Acl.java

@@ -274,13 +274,7 @@ String toPb() {
     }
   }
 
-  /**
-   * Creates an ACL object.
-   *
-   * @param entity the entity for this ACL object
-   * @param role the role to associate to the {@code entity} object
-   */
-  public Acl(Entity entity, Role role) {
+  private Acl(Entity entity, Role role) {
     this.entity = entity;
     this.role = role;
   }
@@ -299,6 +293,16 @@ public Role role() {
     return role;
   }
 
+  /**
+   * Returns an Acl object.
+   *
+   * @param entity the entity for this ACL object
+   * @param role the role to associate to the {@code entity} object
+   */
+  public static Acl of(Entity entity, Role role) {
+    return new Acl(entity, role);
+  }
+
   @Override
   public int hashCode() {
     return Objects.hash(entity, role);
@@ -333,11 +337,11 @@ ObjectAccessControl toObjectPb() {
 
   static Acl fromPb(ObjectAccessControl objectAccessControl) {
     Role role = Role.valueOf(objectAccessControl.getRole());
-    return new Acl(Entity.fromPb(objectAccessControl.getEntity()), role);
+    return Acl.of(Entity.fromPb(objectAccessControl.getEntity()), role);
   }
 
   static Acl fromPb(BucketAccessControl bucketAccessControl) {
     Role role = Role.valueOf(bucketAccessControl.getRole());
-    return new Acl(Entity.fromPb(bucketAccessControl.getEntity()), role);
+    return Acl.of(Entity.fromPb(bucketAccessControl.getEntity()), role);
   }
 }

gcloud-java-storage/src/test/java/com/google/gcloud/storage/AclTest.java

@@ -82,8 +82,8 @@ public void testRawEntity() {
 
 
   @Test
-  public void testAcl() {
-    Acl acl = new Acl(User.ofAllUsers(), Role.READER);
+  public void testOf() {
+    Acl acl = Acl.of(User.ofAllUsers(), Role.READER);
     assertEquals(User.ofAllUsers(), acl.entity());
     assertEquals(Role.READER, acl.role());
     ObjectAccessControl objectPb = acl.toObjectPb();

gcloud-java-storage/src/test/java/com/google/gcloud/storage/BlobInfoTest.java

@@ -34,8 +34,8 @@
 public class BlobInfoTest {
 
   private static final List<Acl> ACL = ImmutableList.of(
-      new Acl(User.ofAllAuthenticatedUsers(), READER),
-      new Acl(new Project(VIEWERS, "p1"), WRITER));
+      Acl.of(User.ofAllAuthenticatedUsers(), READER),
+      Acl.of(new Project(VIEWERS, "p1"), WRITER));
   private static final Integer COMPONENT_COUNT = 2;
   private static final String CONTENT_TYPE = "text/html";
   private static final String CACHE_CONTROL = "cache";

gcloud-java-storage/src/test/java/com/google/gcloud/storage/BucketInfoTest.java

@@ -41,8 +41,8 @@
 public class BucketInfoTest {
 
   private static final List<Acl> ACL = ImmutableList.of(
-      new Acl(User.ofAllAuthenticatedUsers(), Role.READER),
-      new Acl(new Project(VIEWERS, "p1"), Role.WRITER));
+      Acl.of(User.ofAllAuthenticatedUsers(), Role.READER),
+      Acl.of(new Project(VIEWERS, "p1"), Role.WRITER));
   private static final String ETAG = "0xFF00";
   private static final String ID = "B/N:1";
   private static final Long META_GENERATION = 10L;
@@ -51,7 +51,7 @@ public class BucketInfoTest {
   private static final Long CREATE_TIME = System.currentTimeMillis();
   private static final List<Cors> CORS = Collections.singletonList(Cors.builder().build());
   private static final List<Acl> DEFAULT_ACL =
-      Collections.singletonList(new Acl(User.ofAllAuthenticatedUsers(), Role.WRITER));
+      Collections.singletonList(Acl.of(User.ofAllAuthenticatedUsers(), Role.WRITER));
   private static final List<? extends DeleteRule> DELETE_RULES =
       Collections.singletonList(new AgeDeleteRule(5));
   private static final String INDEX_PAGE = "index.html";

gcloud-java-storage/src/test/java/com/google/gcloud/storage/SerializationTest.java

@@ -47,6 +47,7 @@ public class SerializationTest {
   private static final Acl.Project ACL_PROJECT_ = new Acl.Project(ProjectRole.VIEWERS, "pid");
   private static final Acl.User ACL_USER = new Acl.User("user");
   private static final Acl.RawEntity ACL_RAW = new Acl.RawEntity("raw");
+  private static final Acl ACL = Acl.of(ACL_DOMAIN, Acl.Role.OWNER);
   private static final BlobInfo BLOB_INFO = BlobInfo.builder("b", "n").build();
   private static final BucketInfo BUCKET_INFO = BucketInfo.of("b");
   private static final Cors.Origin ORIGIN = Cors.Origin.any();
@@ -94,11 +95,10 @@ public void testServiceOptions() throws Exception {
 
   @Test
   public void testModelAndRequests() throws Exception {
-    Serializable[] objects = {ACL_DOMAIN, ACL_GROUP, ACL_PROJECT_, ACL_USER, ACL_RAW, BLOB_INFO,
-        BUCKET_INFO,
-        ORIGIN, CORS, BATCH_REQUEST, BATCH_RESPONSE, PAGE_RESULT, BLOB_LIST_OPTIONS,
-        BLOB_SOURCE_OPTIONS, BLOB_TARGET_OPTIONS, BUCKET_LIST_OPTIONS, BUCKET_SOURCE_OPTIONS,
-        BUCKET_TARGET_OPTIONS};
+    Serializable[] objects = {ACL_DOMAIN, ACL_GROUP, ACL_PROJECT_, ACL_USER, ACL_RAW, ACL,
+        BLOB_INFO, BUCKET_INFO, ORIGIN, CORS, BATCH_REQUEST, BATCH_RESPONSE, PAGE_RESULT,
+        BLOB_LIST_OPTIONS, BLOB_SOURCE_OPTIONS, BLOB_TARGET_OPTIONS, BUCKET_LIST_OPTIONS,
+        BUCKET_SOURCE_OPTIONS, BUCKET_TARGET_OPTIONS};
     for (Serializable obj : objects) {
       Object copy = serializeAndDeserialize(obj);
       assertEquals(obj, obj);