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.file;
  
  import org.apache.camel.EndpointInject;
  import org.apache.camel.Exchange;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.spring.boot.CamelAutoConfiguration;
  import org.apache.camel.test.spring.junit5.CamelSpringBootTest;
  import org.junit.jupiter.api.Test;
  import org.springframework.boot.test.context.SpringBootTest;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.test.annotation.DirtiesContext;
  
  import java.util.Comparator;
  
  /**
   * Unit test for the file sorter ref option
   */
  @DirtiesContext(classMode = DirtiesContext.ClassMode.BEFORE_CLASS)
  @CamelSpringBootTest
  @SpringBootTest(classes = { CamelAutoConfiguration.class, FileSorterRefTest.class,
          FileSorterRefTest.TestConfiguration.class })
  public class FileSorterRefTest extends BaseFile {
  
      @EndpointInject("mock:result")
      private MockEndpoint resultEndpoint;
  
      @Test
      public void testSortFiles() throws Exception {
          template.sendBodyAndHeader(fileUri(), "Hello Paris", Exchange.FILE_NAME, "paris.txt");
  
          template.sendBodyAndHeader(fileUri(), "Hello London", Exchange.FILE_NAME, "london.txt");
  
          template.sendBodyAndHeader(fileUri(), "Hello Copenhagen", Exchange.FILE_NAME, "copenhagen.txt");
  
          context.addRoutes(new RouteBuilder() {
              @Override
              public void configure() throws Exception {
                  from(fileUri("?initialDelay=0&delay=10&sorter=#mySorter")).convertBodyTo(String.class)
                          .to("mock:result");
              }
          });
  
          resultEndpoint.expectedBodiesReceived("Hello Copenhagen", "Hello London", "Hello Paris");
          assertMockEndpointsSatisfied();
      }
  
      // START SNIPPET: e1
      public class MyFileSorter<T> implements Comparator<GenericFile<T>> {
          @Override
          public int compare(GenericFile<T> o1, GenericFile<T> o2) {
              return o1.getFileName().compareToIgnoreCase(o2.getFileName());
          }
      }
      // END SNIPPET: e1
  
      // *************************************
      // Config
      // *************************************
  
      @Configuration
      public class TestConfiguration {
  
          @Bean(value = "mySorter")
          public Comparator mySorter() {
              return new MyFileSorter();
          }
  
          @Bean
          public RouteBuilder routeBuilder() {
              return new RouteBuilder() {
                  @Override
                  public void configure() {
                      from(fileUri(
                              "in?initialDelay=0&delay=10&readLock=changed&readLockCheckInterval=100&readLockMarkerFile=false"))
                                      .to(fileUri("out"), "mock:result");
                  }
              };
          }
      }
  }
  