Support JSON.OBJLEN and JSON.OBJKEYS commands

src/main/java/redis/clients/jedis/BuilderFactory.java

@@ -312,59 +312,34 @@ public String build(Object data) {
     public String toString() {
       return "String";
     }
-
   };
 
   public static final Builder<List<String>> STRING_LIST = new Builder<List<String>>() {
     @Override
     @SuppressWarnings("unchecked")
     public List<String> build(Object data) {
-      if (null == data) {
-        return null;
-      }
-      List<byte[]> l = (List<byte[]>) data;
-      final ArrayList<String> result = new ArrayList<>(l.size());
-      for (final byte[] barray : l) {
-        if (barray == null) {
-          result.add(null);
-        } else {
-          result.add(SafeEncoder.encode(barray));
-        }
-      }
-      return result;
+      if (null == data) return null;
+      return ((List<Object>) data).stream().map(STRING::build).collect(Collectors.toList());
     }
 
     @Override
     public String toString() {
       return "List<String>";
     }
-
   };
 
   public static final Builder<Set<String>> STRING_SET = new Builder<Set<String>>() {
     @Override
     @SuppressWarnings("unchecked")
     public Set<String> build(Object data) {
-      if (null == data) {
-        return null;
-      }
-      List<byte[]> l = (List<byte[]>) data;
-      final Set<String> result = new HashSet<>(l.size(), 1);
-      for (final byte[] barray : l) {
-        if (barray == null) {
-          result.add(null);
-        } else {
-          result.add(SafeEncoder.encode(barray));
-        }
-      }
-      return result;
+      if (null == data) return null;
+      return ((List<Object>) data).stream().map(STRING::build).collect(Collectors.toSet());
     }
 
     @Override
     public String toString() {
       return "Set<String>";
     }
-
   };
 
   public static final Builder<Map<String, String>> STRING_MAP = new Builder<Map<String, String>>() {
@@ -385,7 +360,20 @@ public Map<String, String> build(Object data) {
     public String toString() {
       return "Map<String, String>";
     }
+  };
 
+  public static final Builder<List<List<String>>> STRING_LIST_LIST = new Builder<List<List<String>>>() {
+    @Override
+    @SuppressWarnings("unchecked")
+    public List<List<String>> build(Object data) {
+      if (null == data) return null;
+      return ((List<Object>) data).stream().map(STRING_LIST::build).collect(Collectors.toList());
+    }
+
+    @Override
+    public String toString() {
+      return "List<List<String>>";
+    }
   };
 
   public static final Builder<KeyedListElement> KEYED_LIST_ELEMENT = new Builder<KeyedListElement>() {

src/main/java/redis/clients/jedis/CommandObjects.java

@@ -3462,17 +3462,41 @@ public final CommandObject<Long> jsonArrTrim(String key, Path path, int start, i
     return new CommandObject<>(commandArguments(JsonCommand.ARRTRIM).key(key).add(path).add(start).add(stop), BuilderFactory.LONG);
   }
 
-  public final CommandObject<Long> jsonDebugMemory(String key) {
-    return new CommandObject<>(commandArguments(JsonCommand.DEBUG).add("MEMORY").key(key), BuilderFactory.LONG);
+  public final CommandObject<Long> jsonObjLen(String key) {
+    return new CommandObject<>(commandArguments(JsonCommand.OBJLEN).key(key), BuilderFactory.LONG);
   }
 
-  public final CommandObject<List<Long>> jsonDebugMemory(String key, Path2 path) {
-    return new CommandObject<>(commandArguments(JsonCommand.DEBUG).add("MEMORY").key(key).add(path), BuilderFactory.LONG_LIST);
+  public final CommandObject<Long> jsonObjLen(String key, Path path) {
+    return new CommandObject<>(commandArguments(JsonCommand.OBJLEN).key(key).add(path), BuilderFactory.LONG);
+  }
+
+  public final CommandObject<List<Long>> jsonObjLen(String key, Path2 path) {
+    return new CommandObject<>(commandArguments(JsonCommand.OBJLEN).key(key).add(path), BuilderFactory.LONG_LIST);
+  }
+
+  public final CommandObject<List<String>> jsonObjKeys(String key) {
+    return new CommandObject<>(commandArguments(JsonCommand.OBJKEYS).key(key), BuilderFactory.STRING_LIST);
+  }
+
+  public final CommandObject<List<String>> jsonObjKeys(String key, Path path) {
+    return new CommandObject<>(commandArguments(JsonCommand.OBJKEYS).key(key).add(path), BuilderFactory.STRING_LIST);
+  }
+
+  public final CommandObject<List<List<String>>> jsonObjKeys(String key, Path2 path) {
+    return new CommandObject<>(commandArguments(JsonCommand.OBJKEYS).key(key).add(path), BuilderFactory.STRING_LIST_LIST);
+  }
+
+  public final CommandObject<Long> jsonDebugMemory(String key) {
+    return new CommandObject<>(commandArguments(JsonCommand.DEBUG).add("MEMORY").key(key), BuilderFactory.LONG);
   }
 
   public final CommandObject<Long> jsonDebugMemory(String key, Path path) {
     return new CommandObject<>(commandArguments(JsonCommand.DEBUG).add("MEMORY").key(key).add(path), BuilderFactory.LONG);
   }
+
+  public final CommandObject<List<Long>> jsonDebugMemory(String key, Path2 path) {
+    return new CommandObject<>(commandArguments(JsonCommand.DEBUG).add("MEMORY").key(key).add(path), BuilderFactory.LONG_LIST);
+  }
   // RedisJSON commands
 
   // RedisTimeSeries commands

src/main/java/redis/clients/jedis/UnifiedJedis.java

@@ -3879,18 +3879,48 @@ public Long jsonArrTrim(String key, Path path, int start, int stop) {
     return executeCommand(commandObjects.jsonArrTrim(key, path, start, stop));
   }
 
+  @Override
+  public Long jsonObjLen(String key) {
+    return executeCommand(commandObjects.jsonObjLen(key));
+  }
+
+  @Override
+  public Long jsonObjLen(String key, Path path) {
+    return executeCommand(commandObjects.jsonObjLen(key, path));
+  }
+
+  @Override
+  public List<Long> jsonObjLen(String key, Path2 path) {
+    return executeCommand(commandObjects.jsonObjLen(key, path));
+  }
+
+  @Override
+  public List<String> jsonObjKeys(String key) {
+    return executeCommand(commandObjects.jsonObjKeys(key));
+  }
+
+  @Override
+  public List<String> jsonObjKeys(String key, Path path) {
+    return executeCommand(commandObjects.jsonObjKeys(key, path));
+  }
+
+  @Override
+  public List<List<String>> jsonObjKeys(String key, Path2 path) {
+    return executeCommand(commandObjects.jsonObjKeys(key, path));
+  }
+
   @Override
   public long jsonDebugMemory(String key) {
     return executeCommand(commandObjects.jsonDebugMemory(key));
   }
 
   @Override
-  public List<Long> jsonDebugMemory(String key, Path2 path) {
+  public long jsonDebugMemory(String key, Path path) {
     return executeCommand(commandObjects.jsonDebugMemory(key, path));
   }
 
   @Override
-  public long jsonDebugMemory(String key, Path path) {
+  public List<Long> jsonDebugMemory(String key, Path2 path) {
     return executeCommand(commandObjects.jsonDebugMemory(key, path));
   }
   // RedisJSON commands

src/main/java/redis/clients/jedis/json/JsonProtocol.java

@@ -22,6 +22,8 @@ public enum JsonCommand implements ProtocolCommand {
     ARRTRIM("JSON.ARRTRIM"),
     CLEAR("JSON.CLEAR"),
     TOGGLE("JSON.TOGGLE"),
+    OBJKEYS("JSON.OBJKEYS"),
+    OBJLEN("JSON.OBJLEN"),
     DEBUG("JSON.DEBUG");
 
     private final byte[] raw;

src/main/java/redis/clients/jedis/json/RedisJsonCommands.java

@@ -149,9 +149,21 @@ default <T> List<T> jsonMGet(Class<T> clazz, String... keys) {
 
   Long jsonArrTrim(String key, Path path, int start, int stop);
 
-  long jsonDebugMemory(String key);
+  Long jsonObjLen(String key);
 
-  List<Long> jsonDebugMemory(String key, Path2 path);
+  Long jsonObjLen(String key, Path path);
+
+  List<Long> jsonObjLen(String key, Path2 path);
+
+  List<String> jsonObjKeys(String key);
+
+  List<String> jsonObjKeys(String key, Path path);
+
+  List<List<String>> jsonObjKeys(String key, Path2 path);
+
+  long jsonDebugMemory(String key);
 
   long jsonDebugMemory(String key, Path path);
+
+  List<Long> jsonDebugMemory(String key, Path2 path);
 }

src/test/java/redis/clients/jedis/modules/json/RedisJsonV1Test.java

@@ -7,6 +7,7 @@
 import com.google.gson.Gson;
 import com.google.gson.JsonArray;
 import com.google.gson.JsonObject;
+import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import org.junit.BeforeClass;
@@ -424,6 +425,21 @@ public void numIncrBy() {
     assertEquals(5d, client.jsonNumIncrBy("doc", Path.of(".a"), 2), 0d);
   }
 
+  @Test
+  public void obj() {
+    assertNull(client.jsonObjLen("doc"));
+    assertNull(client.jsonObjKeys("doc"));
+    assertNull(client.jsonObjLen("doc", ROOT_PATH));
+    assertNull(client.jsonObjKeys("doc", ROOT_PATH));
+
+    String json = "{\"a\":[3], \"nested\": {\"a\": {\"b\":2, \"c\": 1}}}";
+    client.jsonSetWithPlainString("doc", ROOT_PATH, json);
+    assertEquals(Long.valueOf(2), client.jsonObjLen("doc"));
+    assertEquals(Arrays.asList("a", "nested"), client.jsonObjKeys("doc"));
+    assertEquals(Long.valueOf(2), client.jsonObjLen("doc", Path.of(".nested.a")));
+    assertEquals(Arrays.asList("b", "c"), client.jsonObjKeys("doc", Path.of(".nested.a")));
+  }
+
   @Test
   public void debugMemory() {
     assertEquals(0L, client.jsonDebugMemory("json"));

src/test/java/redis/clients/jedis/modules/json/RedisJsonV2Test.java

@@ -7,6 +7,7 @@
 import static redis.clients.jedis.modules.json.JsonObjects.*;
 
 import com.google.gson.Gson;
+import java.util.Arrays;
 import java.util.List;
 import org.json.JSONArray;
 import org.json.JSONObject;
@@ -386,9 +387,18 @@ public void numIncrBy() {
     assertJsonArrayEquals(jsonArray(), client.jsonNumIncrBy("doc", Path2.of("..c"), 0d));
   }
 
+  @Test
+  public void obj() {
+    String json = "{\"a\":[3], \"nested\": {\"a\": {\"b\":2, \"c\": 1}}}";
+    client.jsonSet("doc", ROOT_PATH, json);
+    assertEquals(Arrays.asList(2L), client.jsonObjLen("doc", ROOT_PATH));
+    assertEquals(Arrays.asList(Arrays.asList("a", "nested")), client.jsonObjKeys("doc", ROOT_PATH));
+    assertEquals(Arrays.asList(null, 2L), client.jsonObjLen("doc", Path2.of("..a")));
+    assertEquals(Arrays.asList(null, Arrays.asList("b", "c")), client.jsonObjKeys("doc", Path2.of("..a")));
+  }
+
   @Test
   public void debugMemory() {
-    assertEquals(0L, client.jsonDebugMemory("json"));
     assertEquals(emptyList(), client.jsonDebugMemory("json", ROOT_PATH));
 
     client.jsonSet("json", new JSONObject("{ foo: 'bar', bar: { foo: 10 }}"));