ConverterUtils.java

// Licensed to the Apache Software Foundation (ASF) under one
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// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
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//
//   http://www.apache.org/licenses/LICENSE-2.0
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//
// Copied from
// https://github.com/awslabs/aws-glue-data-catalog-client-for-apache-hive-metastore/blob/branch-3.4.0/
//

package com.amazonaws.glue.catalog.converters;

import com.amazonaws.services.glue.model.Table;
import com.google.gson.Gson;

import java.util.Date;
import java.util.concurrent.TimeUnit;

public class ConverterUtils {

  private static final Gson gson = new Gson();

  public static String catalogTableToString(final Table table) {
    return gson.toJson(table);
  }

  public static Table stringToCatalogTable(final String input) {
    return gson.fromJson(input, Table.class);
  }

  public static org.apache.hadoop.hive.metastore.api.Date dateToHiveDate(Date date) {
    return new org.apache.hadoop.hive.metastore.api.Date(TimeUnit.MILLISECONDS.toDays(date.getTime()));
  }

  public static Date hiveDatetoDate(org.apache.hadoop.hive.metastore.api.Date hiveDate) {
    return new Date(TimeUnit.DAYS.toMillis(hiveDate.getDaysSinceEpoch()));
  }
}