content: /*
   * 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.beam.sdk.extensions.sql;
  
  import com.fasterxml.jackson.core.JsonProcessingException;
  import com.fasterxml.jackson.core.json.JsonReadFeature;
  import com.fasterxml.jackson.core.type.TypeReference;
  import com.fasterxml.jackson.databind.JsonNode;
  import com.fasterxml.jackson.databind.ObjectMapper;
  import com.fasterxml.jackson.databind.json.JsonMapper;
  import com.fasterxml.jackson.databind.node.ObjectNode;
  import java.util.Map;
  import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.annotations.VisibleForTesting;
  
  public class TableUtils {
    private static final ObjectMapper objectMapper =
        JsonMapper.builder()
            .enable(
                JsonReadFeature.ALLOW_BACKSLASH_ESCAPING_ANY_CHARACTER,
                JsonReadFeature.ALLOW_JAVA_COMMENTS,
                JsonReadFeature.ALLOW_MISSING_VALUES,
                JsonReadFeature.ALLOW_NON_NUMERIC_NUMBERS,
                JsonReadFeature.ALLOW_LEADING_ZEROS_FOR_NUMBERS,
                JsonReadFeature.ALLOW_SINGLE_QUOTES,
                JsonReadFeature.ALLOW_TRAILING_COMMA,
                JsonReadFeature.ALLOW_UNESCAPED_CONTROL_CHARS,
                JsonReadFeature.ALLOW_UNQUOTED_FIELD_NAMES)
            .build();
  
    private TableUtils() {
      // nothing here
    }
  
    @VisibleForTesting
    public static ObjectMapper getObjectMapper() {
      return objectMapper;
    }
  
    public static ObjectNode emptyProperties() {
      return objectMapper.createObjectNode();
    }
  
    public static ObjectNode parseProperties(String json) {
      try {
        return (ObjectNode) objectMapper.readTree(json);
      } catch (JsonProcessingException e) {
        throw new RuntimeException("illegal table properties: " + json);
      }
    }
  
    public static ObjectNode parseProperties(Map<String, String> map) {
      return objectMapper.valueToTree(map);
    }
  
    public static Map<String, Object> convertNode2Map(JsonNode jsonNode) {
      return objectMapper.convertValue(jsonNode, new TypeReference<Map<String, Object>>() {});
    }
  }
  