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.examples.complete.datatokenization.transforms;
  
  import java.time.Instant;
  import java.util.ArrayList;
  import org.apache.beam.examples.complete.datatokenization.utils.FailsafeElement;
  import org.apache.beam.sdk.transforms.SerializableFunction;
  import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.base.MoreObjects;
  
  /** The {@link SerializableFunctions} class to store static Serializable functions. */
  public class SerializableFunctions {
  
    private static final SerializableFunction<FailsafeElement<String, String>, String>
        csvErrorConverter =
            (FailsafeElement<String, String> failsafeElement) -> {
              ArrayList<String> outputRow = new ArrayList<>();
              final String message = failsafeElement.getOriginalPayload();
              String timestamp = Instant.now().toString();
              outputRow.add(timestamp);
              outputRow.add(MoreObjects.firstNonNull(failsafeElement.getErrorMessage(), ""));
              outputRow.add(MoreObjects.firstNonNull(failsafeElement.getStacktrace(), ""));
              // Only set the payload if it's populated on the message.
              if (failsafeElement.getOriginalPayload() != null) {
                outputRow.add(message);
              }
  
              return String.join(",", outputRow);
            };
  
    public static SerializableFunction<FailsafeElement<String, String>, String>
        getCsvErrorConverter() {
      return csvErrorConverter;
    }
  }
  