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.k.support;
  
  import java.util.Collections;
  import java.util.List;
  
  import org.apache.camel.util.ObjectHelper;
  import org.apache.camel.util.StringHelper;
  
  public final class StringSupport {
      private StringSupport() {
      }
  
      public static String substringBefore(String str, String separator) {
          String answer = StringHelper.before(str, separator);
          if (answer == null) {
              answer = str;
          }
  
          return answer;
      }
  
      public static String substringAfter(String str, String separator) {
          String answer = StringHelper.after(str, separator);
          if (answer == null) {
              answer = "";
          }
  
          return answer;
      }
  
      public static String substringAfterLast(String str, String separator) {
          if (ObjectHelper.isEmpty(str)) {
              return str;
          }
          if (ObjectHelper.isEmpty(separator)) {
              return "";
          }
          int pos = str.lastIndexOf(separator);
          if (pos == -1 || pos == str.length() - separator.length()) {
              return "";
          }
          return str.substring(pos + separator.length());
      }
  
      public static String substringBeforeLast(String str, String separator) {
          if (ObjectHelper.isEmpty(str) || ObjectHelper.isEmpty(separator)) {
              return str;
          }
          int pos = str.lastIndexOf(separator);
          if (pos == -1) {
              return str;
          }
          return str.substring(0, pos);
      }
  
      public static List<String> split(String input, String regex) {
          return input != null ? List.of(input.split(regex)) : Collections.emptyList();
      }
  }
  