[HUDI-2877] Support flink catalog to help user use flink table conveniently

hudi-flink/src/main/java/org/apache/hudi/table/catalog/CatalogOptions.java

@@ -0,0 +1,56 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.hudi.table.catalog;
+
+import org.apache.flink.configuration.ConfigOption;
+import org.apache.flink.configuration.ConfigOptions;
+import org.apache.flink.configuration.Configuration;
+import org.apache.flink.table.catalog.CommonCatalogOptions;
+
+import java.util.Map;
+
+/**
+ * Hoodie catalog options.
+ */
+public class CatalogOptions {
+
+  public static final ConfigOption<String> CATALOG_PATH =
+      ConfigOptions.key("catalog.path")
+          .stringType()
+          .noDefaultValue()
+          .withDescription("Catalog base DFS path, used for inferring the sink table path. "
+              + "The default strategy for a table path is: ${catalog.path}/${db_name}/${table_name}");
+
+  public static final ConfigOption<String> DEFAULT_DATABASE =
+      ConfigOptions.key(CommonCatalogOptions.DEFAULT_DATABASE_KEY)
+          .stringType()
+          .defaultValue("default");
+
+  /**
+   * Returns all the common table options that can be shared.
+   *
+   * @param catalogOptions The catalog options
+   */
+  public static Map<String, String> tableCommonOptions(Configuration catalogOptions) {
+    Configuration copied = new Configuration(catalogOptions);
+    copied.removeConfig(DEFAULT_DATABASE);
+    copied.removeConfig(CATALOG_PATH);
+    return copied.toMap();
+  }
+}