reproto

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//! # An example `type` in reproto
//!
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io/reproto/JacksonSupport.java

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package io.reproto;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.SerializationFeature;
import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
public interface JacksonSupport {
  /**
   * Build an object mapper which has the required configuration and modules installed.
   */
  public static ObjectMapper objectMapper() {
    final ObjectMapper m = new ObjectMapper();
    m.disable(SerializationFeature.FAIL_ON_EMPTY_BEANS);
    m.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
    m.setSerializationInclusion(JsonInclude.Include.NON_ABSENT);
    m.registerModule(new Jdk8Module());
    m.registerModule(new JavaTimeModule());
    return m;
  }
}
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reproto/example/type/Post.java

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package reproto.example.type;
import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonFormat;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonValue;
import java.time.Instant;
import java.util.List;
import java.util.Objects;
import lombok.Data;
@Data
public class Post {
  /**
   * <pre>
   * Title of this post.
   * </pre>
   */
  @JsonProperty("title")
  private final String title;
  /**
   * <pre>
   * Author of the post.
   * </pre>
   */
  @JsonProperty("author")
  private final String author;
  /**
   * <pre>
   * Time at when the post was posted.
   * </pre>
   */
  @JsonProperty("posted_at")
  @JsonFormat(shape = JsonFormat.Shape.STRING)
  private final Instant postedAt;
  /**
   * <pre>
   * Tags associated with this post.
   * </pre>
   */
  @JsonProperty("tags")
  private final List<Post.Tag> tags;
  public static enum Tag {
    PROGRAMMING("programming"),
    POLITICS("politics");
    private final String value;
    private Tag(
      final String value
    ) {
      Objects.requireNonNull(value, "value");
      this.value = value;
    }
    @JsonCreator
    public static Tag fromValue(final String value) {
      for (final Tag v_value : values()) {
        if (v_value.value.equals(value)) {
          return v_value;
        }
      }
      throw new IllegalArgumentException("value");
    }
    @JsonValue
    public String toValue() {
      return this.value;
    }
  }
}
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