我不能反序列化包含纬度和经度的数组

Question

我正在从一个具有经纬度数组的空气质量站点反序列化Json。Json看起来像这样：

{
  "geo": [
    -36.05035,
    146.942
  ],
  "name": "Albury South-west Slopes, Australia",
  "url": "https://aqicn.org/city/australia/nsw/albury/south-west-slopes"
}

我已经编写了一个自定义的反序列化程序，它可以完成这项工作，但我不能反序列化"geo": [-36.05035, 146.942]。

我的代码如下所示：

public static class City {
    private Geo[] geo;
    private String name;
    private String url;

    public Geo[] getGeo() {
        return geo;
    }

    public void setGeo(Geo[] geo) {
        this.geo = geo;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getUrl() {
        return url;
    }

    public void setUrl(String url) {
        this.url = url;
    }
}

public static class Geo {
    //what are the getters and setters for an array with no names just numbers?
}

我被难住了，谢谢，菲尔

Answer 1

您可以将Jackson与自定义的反序列化程序一起使用。作为参考，您可以查看Custom deserializer

Answer 2

假设geo是List<Double>，而不是嵌套类：

public static class City {
    private List<Double> geo;
    private String name;
    private String url;

    public List<Double> getGeo() {
        return geo;
    }

    public void setGeo(List<Double> geo) {
        this.geo = geo;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getUrl() {
        return url;
    }

    public void setUrl(String url) {
        this.url = url;
    }
}

然后反序列化应该是简单的：

String json = "{\"geo\":[-36.05035,146.942],\"name\": \"Albury South-west Slopes, Australia\",\"url\": \"https://aqicn.org/city/australia/nsw/albury/south-west-slopes\"}";
City city = new Gson().fromJson(json, City.class);