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.spring.boot;
  
  import java.util.Arrays;
  import java.util.Collection;
  import java.util.List;
  import org.apache.camel.test.spring.junit5.CamelSpringBootTest;
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.beans.factory.annotation.Qualifier;
  import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
  import org.springframework.boot.test.context.SpringBootTest;
  import org.springframework.context.ApplicationContext;
  import org.springframework.context.annotation.Bean;
  import org.springframework.context.annotation.Configuration;
  import org.springframework.core.convert.ConversionFailedException;
  import org.springframework.core.convert.ConversionService;
  import org.springframework.core.convert.ConverterNotFoundException;
  import org.springframework.core.convert.converter.Converter;
  import org.springframework.core.convert.support.DefaultConversionService;
  import org.springframework.test.annotation.DirtiesContext;
  
  @DirtiesContext
  @CamelSpringBootTest
  @EnableAutoConfiguration
  @SpringBootTest(classes = SpringTypeConverterTest.SpringTypeConversionConfiguration.class)
  public class SpringTypeConverterTest {
      @Autowired
      @Qualifier("camelSpringConversionService")
      ConversionService conversionService;
  
      @Autowired
      @Qualifier("camelSpringTypeConverter")
      SpringTypeConverter converter;
  
      @Test
      public void testConversionService() {
          Collection<?> source = Arrays.asList(new Person("Name", 30));
  
          Assertions.assertFalse(conversionService.canConvert(Person.class, String.class));
          Assertions.assertTrue(conversionService.canConvert(source.getClass(), String.class));
  
          try {
              conversionService.convert(source, String.class);
          } catch (ConversionFailedException e) {
              // Expected as Person can't be converted to a string according to
              // Spring's FallbackObjectToStringConverter, see javadoc for:
              //
              // org.springframework.core.convert.support.FallbackObjectToStringConverter
              //
              Assertions.assertTrue(e.getCause() instanceof ConverterNotFoundException);
          }
  
          Assertions.assertNull(converter.convertTo(String.class, source));
      }
  
      public static class Person {
          private String name;
          private int age;
  
          public Person(String name, int age) {
              this.name = name;
              this.age = age;
          }
  
          public String getName() {
              return name;
          }
  
          public void setName(String name) {
              this.name = name;
          }
  
          public int getAge() {
              return age;
          }
  
          public void setAge(int age) {
              this.age = age;
          }
  
          @Override
          public String toString() {
              return "Person{" + "name='" + name + '\'' + ", age=" + age + '}';
          }
      }
  
      @Configuration
      public static class SpringTypeConversionConfiguration {
          @Bean
          ConversionService camelSpringConversionService(ApplicationContext applicationContext) {
              DefaultConversionService service = new DefaultConversionService();
              for (Converter converter : applicationContext.getBeansOfType(Converter.class).values()) {
                  service.addConverter(converter);
              }
  
              return service;
          }
  
          @Bean
          SpringTypeConverter camelSpringTypeConverter(List<ConversionService> conversionServices) {
              return new SpringTypeConverter(conversionServices);
          }
      }
  }
  