在spring boot rest中验证json有效负载，以在未知属性或空属性作为json有效负载的一部分发送时抛出错误

Question

{
    "notificationType" : "ISSUER_OTP1ee2asasa",
    "content" : "hi fff this is fff template content for SBI email good and mobile dfdfdfd and remaining balance is 333 and your name is hahaha.",
    "medium" : "EMAIL",
    "asa":"ddddd",
    "":""
}

package com.innoviti.notification.model;

import org.springframework.data.annotation.Id;
import org.springframework.data.mongodb.core.mapping.Document;

import com.fasterxml.jackson.annotation.JsonCreator;
import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
import com.fasterxml.jackson.annotation.JsonProperty;


@Document(collection = "NotificationTemplate")
@JsonIgnoreProperties(ignoreUnknown=false)

public class NotificationTemplate {
  @JsonCreator
  public NotificationTemplate(@JsonProperty(value="notificationType",required=true)String notificationType, 
      @JsonProperty(value="content",required=true)String content, @JsonProperty(value="medium",required=true)String medium) {
    super();
    this.notificationType = notificationType;
    this.content = content;
    this.medium = medium;
  }

  @Override
  public String toString() {
    return "NotificationTemplate [id=" + id + ", templateId=" + templateId + ", notificationType="
        + notificationType + ", content=" + content + ", medium=" + medium + "]";
  }

  public String getId() {
    return id;
  }

  public void setId(String id) {
    this.id = id;
  }

  @Id
  private String id;
  private String templateId;

  public String getTemplateId() {
    return templateId;
  }

  public void setTemplateId(String templateId) {
    this.templateId = templateId;
  }

  private String notificationType;
  private String content;
  private String medium;

  public String getMedium() {
    return medium;
  }

  public void setMedium(String medium) {
    this.medium = medium;
  }

  public String getNotificationType() {
    return notificationType;
  }

  public void setNotificationType(String notificationType) {
    this.notificationType = notificationType;
  }

  public String getContent() {
    return content;
  }

  public void setContent(String content) {
    this.content = content;
  }


}

 @PostMapping(value = "/config", consumes = MediaType.APPLICATION_JSON_VALUE,
      produces = MediaType.APPLICATION_JSON_VALUE)
  public ResponseEntity<NotificationTemplate> configureTemplate(
     @Valid @RequestBody NotificationTemplate notificationTemplate) {
    NotificationTemplate notificationTemplatePersisted = null;

    logger.info(
        "Printing payload of template on server side" + ">>>" + notificationTemplate.toString());
    try {
      validatePayLoad(notificationTemplate);
      notificationTemplatePersisted =
          notificationTemplateService.createNotificationTemplate(notificationTemplate);
    } catch (Exception de) {
      logger.info(String.format("Error in saving template", de.getMessage()));
      throw new RequestNotCompletedException(de.getLocalizedMessage());
    }
    return new ResponseEntity<NotificationTemplate>(notificationTemplatePersisted,
        HttpStatus.CREATED);
  }

Answer 1

控制这种行为的Jackson属性是fail_on_unknown_properties。在你的情况下，这需要是真的，以获得你描述的行为。

从spring Boot1.2开始，这似乎默认设置为false。

若要将其设置为true，请将此行添加到您的application.properties文件：

spring.jackson.deserialization.fail-on-unknown-properties=true