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.camel.component.kafka.consumer.support;
  
  import java.util.Collection;
  import java.util.regex.Pattern;
  
  import org.apache.camel.component.kafka.consumer.support.subcription.TopicInfo;
  
  public final class TopicHelper {
  
      private TopicHelper() {
      }
  
      public static String getPrintableTopic(Pattern topicPattern, Collection<String> topics) {
          if (topicPattern != null) {
              return "topic pattern " + topicPattern;
          } else {
              return "topic(s) " + String.join(",", topics);
          }
      }
  
      public static String getPrintableTopic(Pattern topicPattern, String topicName) {
          if (topicPattern != null) {
              return "topic pattern " + topicPattern;
          } else {
              return "topic(s) " + topicName;
          }
      }
  
      public static String getPrintableTopic(TopicInfo topicInfo) {
          return getPrintableTopic(topicInfo.getPattern(), topicInfo.getTopics());
      }
  }
  