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.gson.springboot;
  
  import java.util.Arrays;
  
  import com.google.gson.ExclusionStrategy;
  import com.google.gson.FieldAttributes;
  
  import org.apache.camel.CamelContext;
  import org.apache.camel.EndpointInject;
  import org.apache.camel.ProducerTemplate;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.gson.GsonDataFormat;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.spring.boot.CamelAutoConfiguration;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  import org.springframework.beans.factory.annotation.Autowired;
  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 org.apache.camel.test.spring.junit5.CamelSpringBootTest;
  
  @DirtiesContext
  @CamelSpringBootTest
  @SpringBootTest(classes = { CamelAutoConfiguration.class, GsonMarshalExclusionTest.class,
          GsonMarshalExclusionTest.TestConfiguration.class })
  public class GsonMarshalExclusionTest {
  
      @Autowired
      CamelContext context;
  
      @Autowired
      ProducerTemplate template;
  
      @EndpointInject("mock:reversePojoExcludeWeight")
      MockEndpoint mockWeight;
  
      @EndpointInject("mock:reversePojoExcludeAge")
      MockEndpoint mockAge;
  
      @Test
      public void testMarshalAndUnmarshalPojoWithExclusion() throws Exception {
  
          TestPojoExclusion in = new TestPojoExclusion();
  
          mockWeight.expectedMessageCount(1);
          mockWeight.message(0).body().isInstanceOf(TestPojoExclusion.class);
          mockWeight.message(0).body().isEqualTo(in);
  
          Object marshalled = template.requestBody("direct:inPojoExcludeWeight", in);
          String marshalledAsString = context.getTypeConverter().convertTo(String.class, marshalled);
          assertTrue(marshalledAsString.contains("\"height\":190"));
          assertTrue(marshalledAsString.contains("\"age\":30"));
          assertFalse(marshalledAsString.contains("\"weight\":70"));
  
          template.sendBody("direct:backPojoExcludeWeight", marshalled);
  
          mockWeight.assertIsSatisfied();
      }
  
      @Test
      public void testMarshalAndUnmarshalPojoWithAnotherExclusion() throws Exception {
  
          TestPojoExclusion in = new TestPojoExclusion();
  
          mockAge.expectedMessageCount(1);
          mockAge.message(0).body().isInstanceOf(TestPojoExclusion.class);
          mockAge.message(0).body().isEqualTo(in);
  
          Object marshalled = template.requestBody("direct:inPojoExcludeAge", in);
          String marshalledAsString = context.getTypeConverter().convertTo(String.class, marshalled);
          assertTrue(marshalledAsString.contains("\"height\":190"));
          assertTrue(marshalledAsString.contains("\"weight\":70"));
          assertFalse(marshalledAsString.contains("\"age\":30"));
  
          template.sendBody("direct:backPojoExcludeAge", marshalled);
  
          mockAge.assertIsSatisfied();
      }
  
      /**
       * Strategy to exclude {@link ExcludeWeight} annotated fields
       */
      protected static class WeightExclusionStrategy implements ExclusionStrategy {
  
          @Override
          public boolean shouldSkipField(FieldAttributes f) {
              return f.getAnnotation(ExcludeWeight.class) != null;
          }
  
          @Override
          public boolean shouldSkipClass(Class<?> clazz) {
              return false;
          }
      }
  
      // START SNIPPET: strategy
      /**
       * Strategy to exclude {@link ExcludeAge} annotated fields
       */
      protected static class AgeExclusionStrategy implements ExclusionStrategy {
  
          @Override
          public boolean shouldSkipField(FieldAttributes f) {
              return f.getAnnotation(ExcludeAge.class) != null;
          }
  
          @Override
          public boolean shouldSkipClass(Class<?> clazz) {
              return false;
          }
      }
      // END SNIPPET: strategy
  
      // *************************************
      // Config
      // *************************************
  
      @Configuration
      public static class TestConfiguration {
  
          @Bean
          public RouteBuilder routeBuilder() {
              return new RouteBuilder() {
                  @Override
                  public void configure() {
  
                      GsonDataFormat weightExclusionFormat = new GsonDataFormat(TestPojoExclusion.class);
                      weightExclusionFormat
                              .setExclusionStrategies(Arrays.<ExclusionStrategy> asList(new WeightExclusionStrategy()));
                      from("direct:inPojoExcludeWeight").marshal(weightExclusionFormat);
                      from("direct:backPojoExcludeWeight").unmarshal(weightExclusionFormat)
                              .to("mock:reversePojoExcludeWeight");
  
                      // START SNIPPET: format
                      GsonDataFormat ageExclusionFormat = new GsonDataFormat(TestPojoExclusion.class);
                      ageExclusionFormat
                              .setExclusionStrategies(Arrays.<ExclusionStrategy> asList(new AgeExclusionStrategy()));
                      from("direct:inPojoExcludeAge").marshal(ageExclusionFormat);
                      // END SNIPPET: format
                      from("direct:backPojoExcludeAge").unmarshal(ageExclusionFormat).to("mock:reversePojoExcludeAge");
                  }
              };
          }
      }
  }
  