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.spark.structuredstreaming.translation.helpers;
  
  import java.io.IOException;
  import org.apache.beam.sdk.coders.Coder;
  import org.apache.beam.sdk.util.CoderUtils;
  
  /** Serialization utility class. */
  public final class CoderHelpers {
    private CoderHelpers() {}
  
    /**
     * Utility method for serializing an object using the specified coder.
     *
     * @param value Value to serialize.
     * @param coder Coder to serialize with.
     * @param <T> type of value that is serialized
     * @return Byte array representing serialized object.
     */
    public static <T> byte[] toByteArray(T value, Coder<T> coder) {
      try {
        return CoderUtils.encodeToByteArray(coder, value);
      } catch (IOException e) {
        throw new IllegalStateException("Error encoding value: " + value, e);
      }
    }
  
    /**
     * Utility method for deserializing a byte array using the specified coder.
     *
     * @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 (IOException e) {
        throw new IllegalStateException("Error decoding bytes for coder: " + coder, e);
      }
    }
  }
  