handlebars.JavaFluent.libraries.okhttp-jackson.JSON.mustache Maven / Gradle / Ivy

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package {{invokerPackage}};

{{#threetenbp}}
import org.threeten.bp.*;
{{/threetenbp}}
import com.fasterxml.jackson.annotation.*;
import com.fasterxml.jackson.databind.*;
{{#java8}}
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
{{/java8}}
{{#joda}}
import com.fasterxml.jackson.datatype.joda.JodaModule;
{{/joda}}
{{#threetenbp}}
import com.fasterxml.jackson.datatype.threetenbp.ThreeTenModule;
{{/threetenbp}}

import java.io.IOException;
import java.lang.reflect.Type;
import java.text.DateFormat;
import com.fasterxml.jackson.core.type.TypeReference;

{{>generatedAnnotation}}
public class JSON {
  private ObjectMapper mapper;

  public JSON() {
    mapper = new ObjectMapper();
    mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
    mapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
    mapper.configure(DeserializationFeature.FAIL_ON_INVALID_SUBTYPE, false);
    mapper.disable(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
    mapper.enable(SerializationFeature.WRITE_ENUMS_USING_TO_STRING);
    mapper.enable(DeserializationFeature.READ_ENUMS_USING_TO_STRING);
    {{#java8}}
    mapper.registerModule(new JavaTimeModule());
    {{/java8}}
    {{#joda}}
    mapper.registerModule(new JodaModule());
    {{/joda}}
    {{#threetenbp}}
    ThreeTenModule module = new ThreeTenModule();
    module.addDeserializer(Instant.class, CustomInstantDeserializer.INSTANT);
    module.addDeserializer(OffsetDateTime.class, CustomInstantDeserializer.OFFSET_DATE_TIME);
    module.addDeserializer(ZonedDateTime.class, CustomInstantDeserializer.ZONED_DATE_TIME);
    mapper.registerModule(module);
    {{/threetenbp}}
  }

  /**
   * Set the date format for JSON (de)serialization with Date properties.
   * @param dateFormat Date format
   */
  public void setDateFormat(DateFormat dateFormat) {
    mapper.setDateFormat(dateFormat);
  }

  public String serialize(Object o) {
    try {
      return mapper.writeValueAsString(o);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }

  public  T deserialize(String str, Type type) {
    try {
      TypeReference ref = new TypeReference() {
         public Type getType() {
           return type;
         }
      };
      return mapper.readValue(str, ref);
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
}