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.it.common.utils;
  
  import java.io.BufferedReader;
  import java.io.InputStream;
  import java.io.InputStreamReader;
  import java.nio.charset.StandardCharsets;
  import org.slf4j.Logger;
  
  /** IO Redirect Utility class. */
  public final class IORedirectUtil {
  
    /**
     * Redirect an InputStream to a logger for testing and debugging purposes.
     *
     * @param inputStream The InputStream to redirect.
     * @param log The logger to redirect the InputStream to.
     */
    public static void redirectLinesLog(InputStream inputStream, Logger log) {
      new Thread(
              () -> {
                try (InputStreamReader isr =
                        new InputStreamReader(inputStream, StandardCharsets.UTF_8);
                    BufferedReader bis = new BufferedReader(isr)) {
  
                  String line;
                  while ((line = bis.readLine()) != null) {
                    log.info(line);
                  }
                } catch (Exception e) {
                  log.error("Error redirecting stream", e);
                }
              })
          .start();
    }
  }
  