Parsing JSON - Modellschema

Question

Fehler ist:

Methode 'java.lang.NullPointerException' Ausnahme ausgelöst hat. Kann nicht ausgewertet werden pl.netizens.eonbeacon.storage.EonBeaconModel.toString()

Ich versuche JSON mit Retrofit zu parsen. Ich habe JSON vom Server erhalten, die wie folgt aussieht:

{ 
    "data": { 
    "list": [ 
     { 
     "id": 58, 
     "beacon_id": "58", 
     "bridge_id": null, 
     "mesh_id": null, 
     "name": "eon_3c", 
     "location": "abcdlk", 
     "mac_address": "3c:cf:82:8a:e7:fe", 
     "firmware": "2.1", 
     "pcb_revision": "2.0", 
     "battery_level": "99", 
     "password": "0000", 
     "ib": { 
      "turn_on": "1", 
      "major": "33", 
      "minor": "344", 
      "tx_power": "7", 
      "interval": "400", 
      "uuid": "dae19960-18ea-11e5-8ff0-0002a5d5c521", 
      "secure_uuid": "0" 
     }, 
     "euid": { 
      "turn_on": "0", 
      "namespace": null, 
      "instance": null, 
      "tx_power": null, 
      "interval": null 
     }, 
     "eeid": { 
      "turn_on": "0", 
      "tx_power": null, 
      "interval": null 
     }, 
     "eurl": { 
      "turn_on": "0", 
      "tx_power": null, 
      "interval": null, 
      "url": null 
     }, 
     "etlm": { 
      "turn_on": "0", 
      "tx_power": null, 
      "interval": null 
     }, 
     "assigned_bridge_id": null 
     }, 
     { 
     "id": 56, 
     "beacon_id": "56", 
     "bridge_id": null, 
     "mesh_id": null, 
     "name": "Eon_e6", 
     "location": "test", 
     "mac_address": "e6:f5:8a:94:b8:c7", 
     "firmware": "2.1", 
     "pcb_revision": "2.0", 
     "battery_level": null, 
     "password": "0000", 
     "ib": { 
      "turn_on": "1", 
      "major": "2591", 
      "minor": "0", 
      "tx_power": "10", 
      "interval": "2593", 
      "uuid": "dae19960-18ea-11e5-8ff0-0002a5d5c521", 
      "secure_uuid": "0" 
     }, 
     "euid": { 
      "turn_on": "0", 
      "namespace": null, 
      "instance": null, 
      "tx_power": null, 
      "interval": null 
     }, 
     "eeid": { 
      "turn_on": "0", 
      "tx_power": null, 
      "interval": null 
     }, 
     "eurl": { 
      "turn_on": "0", 
      "tx_power": null, 
      "interval": null, 
      "url": null 
     }, 
     "etlm": { 
      "turn_on": "0", 
      "tx_power": null, 
      "interval": null 
     }, 
     "assigned_bridge_id": null 
     }, 
     { 
     "id": 57, 
     "beacon_id": "57", 
     "bridge_id": "13", 
     "mesh_id": "278", 
     "name": "Marta B", 
     "location": "lk", 
     "mac_address": "e1:4b:64:c3:80:e2", 
     "firmware": "2.1", 
     "pcb_revision": "2.0", 
     "battery_level": "97", 
     "password": "0000", 
     "ib": { 
      "turn_on": "1", 
      "major": "325", 
      "minor": "10", 
      "tx_power": "8", 
      "interval": "610", 
      "uuid": "dae19960-18ea-11e5-8ff0-0002a5d5c521", 
      "secure_uuid": "0" 
     }, 
     "euid": { 
      "turn_on": "0", 
      "namespace": null, 
      "instance": null, 
      "tx_power": null, 
      "interval": null 
     }, 
     "eeid": { 
      "turn_on": "0", 
      "tx_power": null, 
      "interval": null 
     }, 
     "eurl": { 
      "turn_on": "0", 
      "tx_power": null, 
      "interval": null, 
      "url": null 
     }, 
     "etlm": { 
      "turn_on": "0", 
      "tx_power": null, 
      "interval": null 
     }, 
     "assigned_bridge_id": null 
     } 
    ] 
    }, 
    "ver": 1, 
    "time": 1475671202, 
    "status": 1, 
    "status_msg": "" 
} 

Meine Wurzel Response-Klasse sieht wie folgt aus:

public class BasicResponse<T> { 
    @Expose 
    public T data; 
    @Expose 
    public int ver; 
    @Expose 
    public long time; 
    @Expose 
    public byte status; 
    @Expose 
    public String status_msg; 
} 

Zu diesem Moment, alles sieht gut aus. Jetzt versuche ich, Daten zu analysieren:

Hier beginnt das Problem. Alles ist gut pars, außer den Objekten - euid, eeid, eurl, etlm, ib. Wenn ich ihre Klassennamen ändere Retrofit parse alles gut außer ihnen - sie sind null. Wenn ich Klassennamen ändere, um mit dem Schlüssel von JSON übereinzustimmen, habe ich Nachrüstungsfehler. Ich habe POJO benutzt und es hat eine sehr ähnliche Klasse wie meine geschaffen. Irgendeine Idee wo ist das Problem? :/

Hier ist mein Retrofit Aufruf:

@Subscribe 
    public void getUserBeacons(GetBeaconsListCommand command) { 
     Callback<BasicResponse<BeaconsListResponse>> callback = new Callback<BasicResponse<BeaconsListResponse>>() { 
      @Override 
      public void success(BasicResponse<BeaconsListResponse> basicResponse, Response response) { 
       if (ResponseStatus.SUCCESS.statusCode == basicResponse.status) 
        EventBus.post(new BeaconsListFetchedEvent(basicResponse.data)); 
       else 
        EventBus.post(new NetworkFailureEvent(ResponseStatus.getByStatus(basicResponse.status), basicResponse.status_msg)); 
      } 

      @Override 
      public void failure(RetrofitError error) { 
      } 
     }; 
     service.beaconsList(callback); 
    } 

EUID, Eeid Modelle:

public class EuidModel extends Model { 

    @Expose 
    public boolean turn_on; 
    @Expose 
    public String namespace; 
    @Expose 
    public String instance; 
    @Expose 
    public int tx_power; 
    @Expose 
    public long interval; 

    public boolean isTurn_on() { 
     return turn_on; 
    } 

    public void setTurn_on(boolean turn_on) { 
     this.turn_on = turn_on; 
    } 

    public String getNamespace() { 
     return namespace; 
    } 

    public void setNamespace(String namespace) { 
     this.namespace = namespace; 
    } 

    public String getInstance() { 
     return instance; 
    } 

    public void setInstance(String instance) { 
     this.instance = instance; 
    } 

    public int getTx_power() { 
     return tx_power; 
    } 

    public void setTx_power(int tx_power) { 
     this.tx_power = tx_power; 
    } 

    public long getInterval() { 
     return interval; 
    } 

    public void setInterval(long interval) { 
     this.interval = interval; 
    } 


    private Map<String, Object> additionalProperties = new HashMap<String, Object>(); 

    public Map<String, Object> getAdditionalProperties() { 
     return this.additionalProperties; 
    } 

    public void setAdditionalProperty(String name, Object value) { 
     this.additionalProperties.put(name, value); 
    } 
public class EeidModel extends Model { 

    @Column 
    public boolean turn_on; 
    @Column 
    public int tx_power; 
    @Column 
    public int interval; 
    private Map<String, Object> additionalProperties = new HashMap<String, Object>(); 

    public Map<String, Object> getAdditionalProperties() { 
     return this.additionalProperties; 
    } 

    public void setAdditionalProperty(String name, Object value) { 
     this.additionalProperties.put(name, value); 
    } 

Answer 1

dieses Modell Versuchen Sie, und ich bin sicher, dass es dann gut funktionieren: -

public class model { 

    private DataBean data; 

    private int ver; 
    private int time; 
    private int status; 
    private String status_msg; 

    public DataBean getData() { 
     return data; 
    } 

    public void setData(DataBean data) { 
     this.data = data; 
    } 

    public int getVer() { 
     return ver; 
    } 

    public void setVer(int ver) { 
     this.ver = ver; 
    } 

    public int getTime() { 
     return time; 
    } 

    public void setTime(int time) { 
     this.time = time; 
    } 

    public int getStatus() { 
     return status; 
    } 

    public void setStatus(int status) { 
     this.status = status; 
    } 

    public String getStatus_msg() { 
     return status_msg; 
    } 

    public void setStatus_msg(String status_msg) { 
     this.status_msg = status_msg; 
    } 

    private static class DataBean { 

     private List<ListBean> list; 

     public List<ListBean> getList() { 
      return list; 
     } 

     public void setList(List<ListBean> list) { 
      this.list = list; 
     } 

     static class ListBean { 
      private int id; 
      private String beacon_id; 
      private Object bridge_id; 
      private Object mesh_id; 
      private String name; 
      private String location; 
      private String mac_address; 
      private String firmware; 
      private String pcb_revision; 
      private String battery_level; 
      private String password; 

      private IbBean ib; 

      private EuidBean euid; 

      private EeidBean eeid; 

      private EurlBean eurl; 

      private EtlmBean etlm; 
      private Object assigned_bridge_id; 

      public int getId() { 
       return id; 
      } 

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

      public String getBeacon_id() { 
       return beacon_id; 
      } 

      public void setBeacon_id(String beacon_id) { 
       this.beacon_id = beacon_id; 
      } 

      public Object getBridge_id() { 
       return bridge_id; 
      } 

      public void setBridge_id(Object bridge_id) { 
       this.bridge_id = bridge_id; 
      } 

      public Object getMesh_id() { 
       return mesh_id; 
      } 

      public void setMesh_id(Object mesh_id) { 
       this.mesh_id = mesh_id; 
      } 

      public String getName() { 
       return name; 
      } 

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

      public String getLocation() { 
       return location; 
      } 

      public void setLocation(String location) { 
       this.location = location; 
      } 

      public String getMac_address() { 
       return mac_address; 
      } 

      public void setMac_address(String mac_address) { 
       this.mac_address = mac_address; 
      } 

      public String getFirmware() { 
       return firmware; 
      } 

      public void setFirmware(String firmware) { 
       this.firmware = firmware; 
      } 

      public String getPcb_revision() { 
       return pcb_revision; 
      } 

      public void setPcb_revision(String pcb_revision) { 
       this.pcb_revision = pcb_revision; 
      } 

      public String getBattery_level() { 
       return battery_level; 
      } 

      public void setBattery_level(String battery_level) { 
       this.battery_level = battery_level; 
      } 

      public String getPassword() { 
       return password; 
      } 

      public void setPassword(String password) { 
       this.password = password; 
      } 

      public IbBean getIb() { 
       return ib; 
      } 

      public void setIb(IbBean ib) { 
       this.ib = ib; 
      } 

      public EuidBean getEuid() { 
       return euid; 
      } 

      public void setEuid(EuidBean euid) { 
       this.euid = euid; 
      } 

      public EeidBean getEeid() { 
       return eeid; 
      } 

      public void setEeid(EeidBean eeid) { 
       this.eeid = eeid; 
      } 

      public EurlBean getEurl() { 
       return eurl; 
      } 

      public void setEurl(EurlBean eurl) { 
       this.eurl = eurl; 
      } 

      public EtlmBean getEtlm() { 
       return etlm; 
      } 

      public void setEtlm(EtlmBean etlm) { 
       this.etlm = etlm; 
      } 

      public Object getAssigned_bridge_id() { 
       return assigned_bridge_id; 
      } 

      public void setAssigned_bridge_id(Object assigned_bridge_id) { 
       this.assigned_bridge_id = assigned_bridge_id; 
      } 

      static class IbBean { 
       private String turn_on; 
       private String major; 
       private String minor; 
       private String tx_power; 
       private String interval; 
       private String uuid; 
       private String secure_uuid; 

       public String getTurn_on() { 
        return turn_on; 
       } 

       public void setTurn_on(String turn_on) { 
        this.turn_on = turn_on; 
       } 

       public String getMajor() { 
        return major; 
       } 

       public void setMajor(String major) { 
        this.major = major; 
       } 

       public String getMinor() { 
        return minor; 
       } 

       public void setMinor(String minor) { 
        this.minor = minor; 
       } 

       public String getTx_power() { 
        return tx_power; 
       } 

       public void setTx_power(String tx_power) { 
        this.tx_power = tx_power; 
       } 

       public String getInterval() { 
        return interval; 
       } 

       public void setInterval(String interval) { 
        this.interval = interval; 
       } 

       public String getUuid() { 
        return uuid; 
       } 

       public void setUuid(String uuid) { 
        this.uuid = uuid; 
       } 

       public String getSecure_uuid() { 
        return secure_uuid; 
       } 

       public void setSecure_uuid(String secure_uuid) { 
        this.secure_uuid = secure_uuid; 
       } 
      } 

      static class EuidBean { 
       private String turn_on; 
       private Object namespace; 
       private Object instance; 
       private Object tx_power; 
       private Object interval; 

       public String getTurn_on() { 
        return turn_on; 
       } 

       public void setTurn_on(String turn_on) { 
        this.turn_on = turn_on; 
       } 

       public Object getNamespace() { 
        return namespace; 
       } 

       public void setNamespace(Object namespace) { 
        this.namespace = namespace; 
       } 

       public Object getInstance() { 
        return instance; 
       } 

       public void setInstance(Object instance) { 
        this.instance = instance; 
       } 

       public Object getTx_power() { 
        return tx_power; 
       } 

       public void setTx_power(Object tx_power) { 
        this.tx_power = tx_power; 
       } 

       public Object getInterval() { 
        return interval; 
       } 

       public void setInterval(Object interval) { 
        this.interval = interval; 
       } 
      } 

      static class EeidBean { 
       private String turn_on; 
       private Object tx_power; 
       private Object interval; 

       public String getTurn_on() { 
        return turn_on; 
       } 

       public void setTurn_on(String turn_on) { 
        this.turn_on = turn_on; 
       } 

       public Object getTx_power() { 
        return tx_power; 
       } 

       public void setTx_power(Object tx_power) { 
        this.tx_power = tx_power; 
       } 

       public Object getInterval() { 
        return interval; 
       } 

       public void setInterval(Object interval) { 
        this.interval = interval; 
       } 
      } 

      static class EurlBean { 
       private String turn_on; 
       private Object tx_power; 
       private Object interval; 
       private Object url; 

       public String getTurn_on() { 
        return turn_on; 
       } 

       public void setTurn_on(String turn_on) { 
        this.turn_on = turn_on; 
       } 

       public Object getTx_power() { 
        return tx_power; 
       } 

       public void setTx_power(Object tx_power) { 
        this.tx_power = tx_power; 
       } 

       public Object getInterval() { 
        return interval; 
       } 

       public void setInterval(Object interval) { 
        this.interval = interval; 
       } 

       public Object getUrl() { 
        return url; 
       } 

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

      static class EtlmBean { 
       private String turn_on; 
       private Object tx_power; 
       private Object interval; 

       public String getTurn_on() { 
        return turn_on; 
       } 

       public void setTurn_on(String turn_on) { 
        this.turn_on = turn_on; 
       } 

       public Object getTx_power() { 
        return tx_power; 
       } 

       public void setTx_power(Object tx_power) { 
        this.tx_power = tx_power; 
       } 

       public Object getInterval() { 
        return interval; 
       } 

       public void setInterval(Object interval) { 
        this.interval = interval; 
       } 
      } 
     } 
    } 
}