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.kafkaconnector.common;
  
  import java.util.function.Function;
  
  public class EndpointUrlBuilder<T extends ConnectorPropertyFactory> {
      private final Function<String, T> setter;
      private String baseUrl;
      private boolean started;
  
  
      public EndpointUrlBuilder(Function<String, T> setter, String baseUrl) {
          this.setter = setter;
          this.baseUrl = baseUrl;
      }
  
      private EndpointUrlBuilder<T> start() {
          if (started) {
              throw new RuntimeException("Already started preparing the URL for formatting");
          }
  
          started = true;
  
          return this;
      }
  
      public EndpointUrlBuilder<T> append(String name, String value) {
          if (!started) {
              start();
  
              baseUrl = String.format("%s?%s=%s", baseUrl, name, value);
          } else {
              baseUrl = String.format("%s&%s=%s", baseUrl, name, value);
          }
  
          return this;
      }
  
      public EndpointUrlBuilder<T> appendIfAvailable(String name, String value) {
          if (value != null && !value.isEmpty()) {
              return append(name, value);
          }
  
          return this;
      }
  
      public EndpointUrlBuilder<T> append(String name, int value) {
          if (!started) {
              start();
  
              baseUrl = String.format("%s?%s=%d", baseUrl, name, value);
          } else {
              baseUrl = String.format("%s&%s=%d", baseUrl, name, value);
          }
  
          return this;
      }
  
      public T buildUrl() {
          return setter.apply(baseUrl);
      }
  }
  