BindingAlternativesApplication.java

package actionjackson.alternative;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.jayway.jsonpath.Configuration;
import com.jayway.jsonpath.Option;
import com.jayway.jsonpath.spi.json.JacksonJsonNodeJsonProvider;
import com.jayway.jsonpath.spi.json.JsonProvider;
import com.jayway.jsonpath.spi.mapper.JacksonMappingProvider;
import com.jayway.jsonpath.spi.mapper.MappingProvider;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.client.RestTemplateBuilder;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;

import java.util.EnumSet;
import java.util.Set;

@SpringBootApplication
public class BindingAlternativesApplication {

	public static void main(String[] args) {
		SpringApplication.run(BindingAlternativesApplication.class, args);
	}

	@Bean
	RestTemplate restTemplate(RestTemplateBuilder builder) {
		return builder.build();
	}

	/**
	 * Ensures that the json-path lib uses Jackson, with the Boot-provided {@link ObjectMapper}.
	 */
	@Bean
	Configuration.Defaults jsonPathGlobalConfig(ObjectMapper objectMapper) {
		var jsonProvider = new JacksonJsonNodeJsonProvider(objectMapper);
		var mappingProvider = new JacksonMappingProvider(objectMapper);
		var defaults = new Configuration.Defaults() {
			@Override
			public JsonProvider jsonProvider() {
				return jsonProvider;
			}

			@Override
			public MappingProvider mappingProvider() {
				return mappingProvider;
			}

			@Override
			public Set<Option> options() {
				return EnumSet.of(Option.SUPPRESS_EXCEPTIONS);
			}
		};
		Configuration.setDefaults(defaults);
		return defaults;
	}

}