Use simple class name of a class in stringify() (#1435)

* Keep CLASS_REGISTRY and CLASS_NAME_REGISTRY up to date

* Use simple class name in vkey string

core/src/main/java/google/registry/model/common/ClassPathManager.java

@@ -48,7 +48,8 @@ public class ClassPathManager {
 
   @VisibleForTesting
   public static void addTestEntityClass(Class<?> clazz) {
-    CLASS_REGISTRY.put(com.googlecode.objectify.Key.getKind(clazz), clazz);
+    CLASS_REGISTRY.put(clazz.getSimpleName(), clazz);
+    CLASS_NAME_REGISTRY.put(clazz, clazz.getSimpleName());
   }
 
   public static <T> Class<T> getClass(String className) {

core/src/main/java/google/registry/persistence/VKey.java

@@ -23,6 +23,7 @@ import com.google.common.collect.ImmutableMap;
 import com.googlecode.objectify.Key;
 import google.registry.model.BackupGroupRoot;
 import google.registry.model.ImmutableObject;
+import google.registry.model.common.ClassPathManager;
 import google.registry.model.translators.VKeyTranslatorFactory;
 import google.registry.util.SerializeUtils;
 import java.io.Serializable;
@@ -137,9 +138,9 @@ public class VKey<T> extends ImmutableObject implements Serializable {
    *
    * <p>Example of a Vkey string by fromWebsafeKey(): "agR0ZXN0chYLEgpEb21haW5CYXNlIgZST0lELTEM"
    *
-   * <p>Example of a vkey string by stringify(): "google.registry.testing.TestObject@sql:rO0ABX" +
-   * "QAA2Zvbw@ofy:agR0ZXN0cjELEg9FbnRpdHlHcm91cFJvb3QiCWNyb3NzLXRsZAwLEgpUZXN0T2JqZWN0IgNmb28M",
-   * where sql key and ofy key are values are encoded in Base64.
+   * <p>Example of a vkey string by stringify(): "kind:TestObject@sql:rO0ABXQAA2Zvbw" +
+   * "@ofy:agR0ZXN0cjELEg9FbnRpdHlHcm91cFJvb3QiCWNyb3NzLXRsZAwLEgpUZXN0T2JqZWN0IgNmb28M", where sql
+   * key and ofy key values are encoded in Base64.
    */
   public static <T> VKey<T> create(String keyString) throws Exception {
     if (!keyString.startsWith(CLASS_TYPE + KV_SEPARATOR)) {
@@ -149,7 +150,7 @@ public class VKey<T> extends ImmutableObject implements Serializable {
       ImmutableMap<String, String> kvs =
           ImmutableMap.copyOf(
               Splitter.on(DELIMITER).withKeyValueSeparator(KV_SEPARATOR).split(keyString));
-      Class classType = Class.forName(kvs.get(CLASS_TYPE));
+      Class classType = ClassPathManager.getClass(kvs.get(CLASS_TYPE));
 
       if (kvs.containsKey(SQL_LOOKUP_KEY) && kvs.containsKey(OFY_LOOKUP_KEY)) {
         return VKey.create(
@@ -290,7 +291,7 @@ public class VKey<T> extends ImmutableObject implements Serializable {
   /**
    * Constructs the string representation of a {@link VKey}.
    *
-   * <p>The string representation of a vkey contains its type, and sql key or ofy key, or both. Each
+   * <p>The string representation of a vkey contains its kind, and sql key or ofy key, or both. Each
    * of the keys is first serialized into a byte array then encoded via Base64 into a web safe
    * string.
    *
@@ -302,7 +303,7 @@ public class VKey<T> extends ImmutableObject implements Serializable {
    */
   public String stringify() {
     // class type is required to create a vkey
-    String key = CLASS_TYPE + KV_SEPARATOR + getKind().getName();
+    String key = CLASS_TYPE + KV_SEPARATOR + ClassPathManager.getClassName(getKind());
     if (maybeGetSqlKey().isPresent()) {
       key += DELIMITER + SQL_LOOKUP_KEY + KV_SEPARATOR + SerializeUtils.stringify(getSqlKey());
     }
@@ -315,7 +316,7 @@ public class VKey<T> extends ImmutableObject implements Serializable {
   /**
    * Constructs the readable string representation of a {@link VKey}.
    *
-   * <p>This readable string representation of a vkey contains its type and its sql key or ofy key,
+   * <p>This readable string representation of a vkey contains its kind and its sql key or ofy key,
    * or both.
    */
   @Override

core/src/test/java/google/registry/persistence/VKeyTest.java

@@ -161,14 +161,13 @@ class VKeyTest {
   @Test
   void testStringify_sqlOnlyVKey() throws Exception {
     assertThat(VKey.createSql(TestObject.class, "foo").stringify())
-        .isEqualTo("kind:google.registry.testing.TestObject@sql:rO0ABXQAA2Zvbw");
+        .isEqualTo("kind:TestObject@sql:rO0ABXQAA2Zvbw");
   }
 
   @Test
   void testStringify_ofyOnlyVKey() throws Exception {
     assertThat(VKey.createOfy(TestObject.class, Key.create(TestObject.class, "foo")).stringify())
-        .isEqualTo(
-            "kind:google.registry.testing.TestObject@ofy:agR0ZXN0chMLEgpUZXN0T2JqZWN0IgNmb28M");
+        .isEqualTo("kind:TestObject@ofy:agR0ZXN0chMLEgpUZXN0T2JqZWN0IgNmb28M");
   }
 
   @Test
@@ -178,8 +177,8 @@ class VKeyTest {
     VKey<DomainBase> vkey = VKey.fromWebsafeKey(key.getString());
     assertThat(vkey.stringify())
         .isEqualTo(
-            "kind:google.registry.model.domain.DomainBas"
-                + "e@sql:rO0ABXQABlJPSUQtMQ"
+            "kind:DomainBase"
+                + "@sql:rO0ABXQABlJPSUQtMQ"
                 + "@ofy:agR0ZXN0chYLEgpEb21haW5CYXNlIgZST0lELTEM");
   }
 
@@ -188,7 +187,7 @@ class VKeyTest {
     assertThat(
             VKey.create(TestObject.class, "foo", Key.create(TestObject.create("foo"))).stringify())
         .isEqualTo(
-            "kind:google.registry.testing.TestObject@sql:rO0ABXQAA2Zvbw@ofy:agR0ZXN0cjELEg9FbnRpdH"
+            "kind:TestObject@sql:rO0ABXQAA2Zvbw@ofy:agR0ZXN0cjELEg9FbnRpdH"
                 + "lHcm91cFJvb3QiCWNyb3NzLXRsZAwLEgpUZXN0T2JqZWN0IgNmb28M");
   }
 
@@ -197,22 +196,20 @@ class VKeyTest {
     assertThat(
             VKey.create(TestObject.class, "test", Key.create(TestObject.create("foo"))).stringify())
         .isEqualTo(
-            "kind:google.registry.testing.TestObject@sql:rO0ABXQABHRlc3Q@ofy:agR0ZXN0cjELEg9FbnRpd"
+            "kind:TestObject@sql:rO0ABXQABHRlc3Q@ofy:agR0ZXN0cjELEg9FbnRpd"
                 + "HlHcm91cFJvb3QiCWNyb3NzLXRsZAwLEgpUZXN0T2JqZWN0IgNmb28M");
   }
 
   /** Test create() via different vkey string representations. */
   @Test
   void testCreate_stringifedVKey_sqlOnlyVKeyString() throws Exception {
-    assertThat(VKey.create("kind:google.registry.testing.TestObject@sql:rO0ABXQAA2Zvbw"))
+    assertThat(VKey.create("kind:TestObject@sql:rO0ABXQAA2Zvbw"))
         .isEqualTo(VKey.createSql(TestObject.class, "foo"));
   }
 
   @Test
   void testCreate_stringifedVKey_ofyOnlyVKeyString() throws Exception {
-    assertThat(
-            VKey.create(
-                "kind:google.registry.testing.TestObject@ofy:agR0ZXN0chMLEgpUZXN0T2JqZWN0IgNmb28M"))
+    assertThat(VKey.create("kind:TestObject@ofy:agR0ZXN0chMLEgpUZXN0T2JqZWN0IgNmb28M"))
         .isEqualTo(VKey.createOfy(TestObject.class, Key.create(TestObject.class, "foo")));
   }
 
@@ -220,7 +217,7 @@ class VKeyTest {
   void testCreate_stringifedVKey_asymmetricVKeyString() throws Exception {
     assertThat(
             VKey.create(
-                "kind:google.registry.testing.TestObject@sql:rO0ABXQABHRlc3Q@ofy:agR0ZXN0cjELEg9Fb"
+                "kind:TestObject@sql:rO0ABXQABHRlc3Q@ofy:agR0ZXN0cjELEg9Fb"
                     + "nRpdHlHcm91cFJvb3QiCWNyb3NzLXRsZAwLEgpUZXN0T2JqZWN0IgNmb28M"))
         .isEqualTo(VKey.create(TestObject.class, "test", Key.create(TestObject.create("foo"))));
   }
@@ -229,7 +226,7 @@ class VKeyTest {
   void testCreate_stringifedVKey_sqlAndOfyVKeyString() throws Exception {
     assertThat(
             VKey.create(
-                "kind:google.registry.testing.TestObject@sql:rO0ABXQAA2Zvbw@ofy:agR0ZXN0cjELEg9Fbn"
+                "kind:TestObject@sql:rO0ABXQAA2Zvbw@ofy:agR0ZXN0cjELEg9Fbn"
                     + "RpdHlHcm91cFJvb3QiCWNyb3NzLXRsZAwLEgpUZXN0T2JqZWN0IgNmb28M"))
         .isEqualTo(VKey.create(TestObject.class, "foo", Key.create(TestObject.create("foo"))));
   }
@@ -238,7 +235,7 @@ class VKeyTest {
   void testCreate_stringifyVkey_fromWebsafeKey() throws Exception {
     assertThat(
             VKey.create(
-                "kind:google.registry.model.domain.DomainBase@sql:rO0ABXQABlJPSUQtMQ"
+                "kind:DomainBase@sql:rO0ABXQABlJPSUQtMQ"
                     + "@ofy:agR0ZXN0chYLEgpEb21haW5CYXNlIgZST0lELTEM"))
         .isEqualTo(
             VKey.fromWebsafeKey(
@@ -257,11 +254,10 @@ class VKeyTest {
   void testCreate_invalidStringifiedVKey_failure() throws Exception {
     IllegalArgumentException thrown =
         assertThrows(
-            IllegalArgumentException.class,
-            () -> VKey.create("kind:google.registry.testing.TestObject@sq:l@ofya:bc"));
+            IllegalArgumentException.class, () -> VKey.create("kind:TestObject@sq:l@ofya:bc"));
     assertThat(thrown)
         .hasMessageThat()
-        .contains("Cannot parse key string: kind:google.registry.testing.TestObject@sq:l@ofya:bc");
+        .contains("Cannot parse key string: kind:TestObject@sq:l@ofya:bc");
   }
 
   @Test