使用RestTemplate和Jackson反序列化對Java的JSON響應

Question

我在使用Jackson的Spring Boot 1.5應用程序中將JSON反序列化為Java對象時遇到了一些麻煩。

如下所示，JSON響應是一個數組，由一個帶有一些嵌套屬性的JSON對象組成：

[
  {
    "deploymentProject": {
        "id": 57966596,
        "name": "MyApp 6.3"
    },
    "environmentStatuses": [{
            "environment": {
                "id": 57245736,
                "name": "Dev1",
                "deploymentProjectId": 57966596
            },
            "deploymentResult": {
                "deploymentVersionName": "App-51",
                "id": 59769040
            }
        },
        {
            "environment": {
                "id": 57245737,
                "name": "Dev2",
                "deploymentProjectId": 57966596
            },
            "deploymentResult": {
                "deploymentVersionName": "App-51",
                "id": 59769041
            }
        }
    ]
  }
]

ResultData.java

我不關心deploymentProject屬性，所以我只包括environmentStatuses在ResultData 。

@JsonIgnoreProperties(ignoreUnknown = true)
public class ResultData {   
  private EnvironmentStatus[] environmentStatuses;

  // Getters and setters omitted
}

EnvironmentStatus.java

@JsonIgnoreProperties(ignoreUnknown = true)
public class EnvironmentStatus {

    private Environment environment;
    private DeploymentResult deployment;

    // Getters and setters omitted
}

Environment.java

@JsonIgnoreProperties(ignoreUnknown = true)
public class Environment {
    private long id;
    private String name;
    private String deploymentProjectId;
    //Getters and setters omitted
}

DeploymentResult.java

@JsonIgnoreProperties(ignoreUnknown = true)
public class DeploymentResult {
    private long id;
    private String deploymentVersionName;
    // Getters and setters omitted
}

當我在服務類中調用RestTemplate時， environmentStatuses數組為null ：

Service.java

ResponseEntity<List<ResultData>> response = restTemplate.exchange(uriBuilder.toUriString(),
                HttpMethod.GET, null, new ParameterizedTypeReference<List<ResultData>>() {});

return response.getBody();

Answer 1

private DeploymentResult deployment; 是下一個問題。.如果要在代碼中使用此名稱，則需要使用json結構名稱進行注釋。 或者如果不命名為deploymentResult