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.jsonpath;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.Locale;
  
  import com.fasterxml.jackson.core.JsonGenerator;
  import com.fasterxml.jackson.databind.JsonSerializer;
  import com.fasterxml.jackson.databind.Module;
  import com.fasterxml.jackson.databind.ObjectMapper;
  import com.fasterxml.jackson.databind.SerializerProvider;
  import com.fasterxml.jackson.databind.module.SimpleModule;
  import org.apache.camel.builder.RouteBuilder;
  import org.apache.camel.component.mock.MockEndpoint;
  import org.apache.camel.spi.Registry;
  import org.apache.camel.test.junit5.CamelTestSupport;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class JsonPathCustomMapperTest extends CamelTestSupport {
  
      static class CustomDoubleSerializer extends JsonSerializer<Double> {
  
          @Override
          public void serialize(Double value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
              gen.writeRawValue(String.format(Locale.US, "%.6f", value));
          }
      }
  
      static class CustomModule extends SimpleModule {
          CustomModule() {
              addSerializer(Double.class, new CustomDoubleSerializer());
          }
  
          @Override
          public String getModuleName() {
              return getClass().getSimpleName();
          }
  
          @Override
          public int hashCode() {
              return getClass().hashCode();
          }
  
          @Override
          public boolean equals(Object o) {
              return this == o;
          }
      }
  
      @Override
      protected void bindToRegistry(Registry registry) throws Exception {
          ObjectMapper customMapper = new ObjectMapper();
          Module doubleModule = new CustomModule();
          customMapper.registerModule(doubleModule);
          registry.bind("customMapper", customMapper);
      }
  
      @Override
      protected RouteBuilder createRouteBuilder() {
          return new RouteBuilder() {
              @Override
              public void configure() {
  
                  from("direct:jsonAsString")
                          .split().jsonpathWriteAsString("$")
                          .log("${body}")
                          .to("mock:resultString");
              }
          };
      }
  
      @Test
      public void testJsonPathWriteCustomDoubles() throws Exception {
          // /CAMEL-17956
          MockEndpoint m = getMockEndpoint("mock:resultString");
          m.expectedMessageCount(1);
          template.sendBody("direct:jsonAsString", new File("src/test/resources/bignumbers.json"));
          Object resultFromMock = m.getReceivedExchanges().get(0).getMessage().getBody();
          assertTrue(resultFromMock instanceof String);
          assertTrue(resultFromMock.toString().contains("121002700.0"));
          assertTrue(resultFromMock.toString().contains("-91000000.0"));
  
      }
  
  }
  