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.runners.twister2.utils;
  
  import java.util.logging.Level;
  import java.util.logging.Logger;
  import org.apache.beam.sdk.coders.Coder;
  import org.apache.beam.sdk.coders.CoderException;
  import org.apache.beam.sdk.util.CoderUtils;
  import org.apache.beam.sdk.values.WindowedValue;
  import org.apache.beam.sdk.values.WindowedValues;
  
  /** doc. */
  @SuppressWarnings({
    "nullness" // TODO(https://github.com/apache/beam/issues/20497)
  })
  public final class TranslationUtils {
    private static final Logger LOG = Logger.getLogger(TranslationUtils.class.getName());
  
    private TranslationUtils() {}
  
    /**
     * Utility method for deserializing a byte array using the specified coder. (From spark code)
     *
     * @param serialized bytearray to be deserialized.
     * @param coder Coder to deserialize with.
     * @param <T> Type of object to be returned.
     * @return Deserialized object.
     */
    public static <T> T fromByteArray(byte[] serialized, Coder<T> coder) {
      try {
        return CoderUtils.decodeFromByteArray(coder, serialized);
      } catch (CoderException e) {
        LOG.log(Level.SEVERE, "Error while decoding message", e);
      }
      return null;
    }
  
    /**
     * Utility method for deserializing a byte array using the specified coder. (From spark code)
     *
     * @param <T> Type of object to be returned.
     * @param serialized bytearray to be deserialized.
     * @param coder Coder to deserialize with.
     * @return Deserialized object.
     */
    public static <T> WindowedValue<T> fromByteArray(
        byte[] serialized, WindowedValues.WindowedValueCoder<T> coder) {
      try {
        return CoderUtils.decodeFromByteArray(coder, serialized);
      } catch (CoderException e) {
        LOG.log(Level.SEVERE, "Error while decoding message", e);
      }
      return null;
    }
  }
  