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.kafka.common.utils;
  
  import org.apache.kafka.common.config.ConfigDef;
  import org.apache.kafka.common.config.ConfigDef.ConfigKey;
  import org.apache.kafka.common.config.ConfigDef.Type;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  import java.util.Map;
  
  public class ConfigUtils {
  
      private static final Logger log = LoggerFactory.getLogger(ConfigUtils.class);
  
      public static String configMapToRedactedString(Map<String, Object> map, ConfigDef configDef) {
          StringBuilder bld = new StringBuilder("{");
          List<String> keys = new ArrayList<>(map.keySet());
          Collections.sort(keys);
          String prefix = "";
          for (String key : keys) {
              bld.append(prefix).append(key).append("=");
              ConfigKey configKey = configDef.configKeys().get(key);
              if (configKey == null || configKey.type().isSensitive()) {
                  bld.append("(redacted)");
              } else {
                  Object value = map.get(key);
                  if (value == null) {
                      bld.append("null");
                  } else if (configKey.type() == Type.STRING) {
                      bld.append("\"").append(value).append("\"");
                  } else {
                      bld.append(value);
                  }
              }
              prefix = ", ";
          }
          bld.append("}");
          return bld.toString();
      }
  
      /**
       * Finds and returns a boolean configuration option from the configuration map or the default value if the option is
       * not set.
       *
       * @param configs Map with the configuration options
       * @param key Configuration option for which the boolean value will be returned
       * @param defaultValue The default value that will be used when the key is not present
       * @return A boolean value of the configuration option of the default value
       */
      public static boolean getBoolean(final Map<String, Object> configs, final String key, final boolean defaultValue) {
          final Object value = configs.getOrDefault(key, defaultValue);
          if (value instanceof Boolean) {
              return (boolean) value;
          } else if (value instanceof String) {
              return Boolean.parseBoolean((String) value);
          } else {
              log.error("Invalid value (" + value + ") on configuration '" + key + "'. The default value '" + defaultValue + "' will be used instead. Please specify a true/false value.");
              return defaultValue;
          }
      }
  }
  