Gson反序列化问题

Gson反序列化问题,gson,deserialization,Gson,Deserialization,我需要帮助用gson反序列化JSON 我有一个JSON: { "result":{ "grid":{ "javaClass":"com.company.collections.GridSummary", "page":{ "list":[ {

我需要帮助用gson反序列化JSON

我有一个JSON:

    {
           "result":{
              "grid":{
                 "javaClass":"com.company.collections.GridSummary",
                 "page":{
                    "list":[
                       {
                          "javaClass":"com.company.services.issue.IssueSummary",
                          "sprintName":"",
                          "assignedTo":"dannyd",
                          "numChildren":-2147483648,
                          "startDate":{
                             "javaClass":"java.util.Date",
                             "time":1.302881465e12
                          },
                          "title":"QA work done on 1895747 - DD",
                          "hasClickPath":false,
                          "sprintId":"",
                          "productName":"",
                          "ownerId":"1895747",
                          "customFollowUp":"888-888-5555",
                          "assigneeFirstName":"Danny",
                          "lastActivityDate":{
                             "javaClass":"java.util.Date",
                             "time":1.302888278e12
                          },
                          "id":"1895885",
                          "global":false,
                          "timeSpent":0,
                          "assignee":{
                             "javaClass":"com.company.services.contact.ContactSummary",
                             "isSem":false,
                             "subType":0,
                             "doNotCampaign":false,
                             "status":0,
                             "rating":0,
                             "firstName":"Danny",
                             "salesProcess":{
                                "editable":false,
                                "javaClass":"com.company.modules.salesrules.SalesProcessSummary",
                                "rules":{
                                   "list":[

                                   ],
                                   "javaClass":"java.util.ArrayList"
                                }
                             },
                             "lastName":"D",
                             "doNotEmail":false,
                             "doNotCall":false,
                             "stage":0,
                             "isRemoved":false
                          },
                          "priority":3,
                          "jiraIdRemoved":false,
                          "read":false,
                          "productPlatform":"",
                          "filesAttached":-2147483648,
                          "parentId":"305599",
                          "type":72,
                          "productId":"",
                          "createdBy":"dannyd",
                          "status":2,
                          "productAppGroup":"",
                          "reporterId":"c8035a744046382000f0474c07d7ed34",
                          "jiraId":"",
                          "projectId":"",
                          "removed":false,
                          "assigneeLastName":"D",
                          "description":"",
                          "clientId":"CLIENTID",
                          "jiraSprintName":"",
                          "projectName":"",
                          "customFollowUpType":"Other"
                       }
                    ],
                    "javaClass":"java.util.ArrayList"
                 },
                 "totalCount":1183
              },
              "javaClass":"com.company.blocks.issues.commands.SearchIssues",
              "accountPlatform":"7.0"
           }
        }
该代码:

    import com.google.gson.Gson;
    import java.io.BufferedReader;
    import java.io.FileNotFoundException;
    import java.io.FileReader;
    import java.util.ArrayList;


    /**
     *
     * @author Danny
     */
    public class Deserialize {

        public void main() throws FileNotFoundException {
            BufferedReader json = new BufferedReader(new FileReader("C:\\Users\\dannyd\\Desktop\\jsonResults.txt"));
            Gson gson = new Gson();
            MyContainer container = gson.fromJson(json, MyContainer.class);
        }
    }

    class MyContainer {

        private Result result = new Result();

        //getters & setters
    }

    class Result {

        private Grid grid = new Grid();
        private String javaClass;
        private String accountPlatform;

        //getters & setters
    }

    class Grid {

        private String javaClass;
        private Page page = new Page();
        private Integer totalCount;

        //getters & setters
    }

    class Page {

        private ArrayList<PageList> list;
        private String JavaClass;

        //getters & setters
    }

    class PageList {

        private String javaClass;
        private String sprintName;
        private String assignedTo;
        private Integer numChildren;
        private D_DateObject startDate = new D_DateObject();
        private String title;
        private Boolean hasClickPath;
        private String sprintId;
        private String productName;
        private String ownerId;
        private String customFollowUp;
        private String assigneeFirstName;
        private D_DateObject lastActivityDate = new D_DateObject();
        private String id;
        private Boolean global;
        private Integer timeSpent;
        private Assignee assignee = new Assignee();
        private Integer priority;
        private Boolean jiraIdRemoved;
        private Boolean read;
        private String productPlatform;
        private Integer filesAttached;
        private String parentId;
        private Integer type;
        private String productId;
        private String createdBy;
        private Integer status;
        private String productAppGroup;
        private String reporterId;
        private String jiraId;
        private String projectId;
        private Boolean removed;
        private String assigneeLastName;
        private String description;
        private String clientId;
        private String jiraSprintName;
        private String projectName;
        private String customFollowUpType;

        //getters & setters
    }

    class D_DateObject {

        private String javaClass;
        private Integer time;

        //getters & setters
    }

    class Assignee {

        private String javaClass;
        private Boolean isSem;
        private Integer subType;
        private Boolean doNotCampaign;
        private Integer status;
        private Integer rating;
        private String firstName;
        private SalesProcess salesProcess = new SalesProcess();
        private String lastName;
        private Boolean doNotEmail;
        private Boolean doNotCall;
        private Integer stage;
        private Boolean isRemoved;

        //getters & setters
    }

    class SalesProcess {

        private Boolean editable;
        private String javaClass;
        private Rules rules;

        //getters & setters
    }

    class Rules {

        private AList list = new AList();
        private String javaClass;
        //getters & setters
    }

    class AList {
    }
import com.google.gson.gson;
导入java.io.BufferedReader;
导入java.io.FileNotFoundException;
导入java.io.FileReader;
导入java.util.ArrayList;
/**
*
*@作者丹尼
*/
公共类反序列化{
public void main()引发FileNotFoundException{
BufferedReader json=new BufferedReader(新文件阅读器(“C:\\Users\\dannyd\\Desktop\\jsonResults.txt”);
Gson Gson=新的Gson();
MyContainer容器=gson.fromJson(json,MyContainer.class);
}
}
类霉菌容器{
私有结果=新结果();
//接球手和接球手
}
班级成绩{
私有网格=新网格();
私有字符串类;
私有字符串平台;
//接球手和接球手
}
类网格{
私有字符串类;
私有页面=新页面();
私有整数totalCount;
//接球手和接球手
}
类页{
私有数组列表;
私有字符串类;
//接球手和接球手
}
类页面列表{
私有字符串类;
私有字符串名称;
分配给的私有字符串;
私人整数子女;
private D_DateObject startDate=新的D_DateObject();
私有字符串标题;
私有布尔路径;
私有字符串ID;
私有字符串产品名称;
私有字符串所有者ID;
私有字符串跟踪;
私有字符串assigneeFirstName;
私有D_DateObject lastActivityDate=新D_DateObject();
私有字符串id;
私有布尔全局;
私有整数时间开销;
私人受让人=新受让人();
私有整数优先级;
删除私有布尔值;
私有布尔读取;
私有字符串平台;
附加的私有整数文件;
私有字符串parentId;
私有整数类型;
私有字符串productId;
创建的私有字符串;
私有整数状态;
私有字符串productAppGroup;
私有字符串reporterId;
私用字符串;
私有字符串投影;
删除私有布尔值;
私有字符串assigneeLastName;
私有字符串描述;
私有字符串clientId;
私有字符串jiraSprintName;
私有字符串projectName;
私有字符串customFollowType;
//接球手和接球手
}
类D_DateObject{
私有字符串类;
专用整数时间;
//接球手和接球手
}
类别受让人{
私有字符串类;
私有布尔isSem;
私有整数子类型;
私人布朗诺运动;
私有整数状态;
私人整数评级;
私有字符串名;
私有SalesProcess SalesProcess=新SalesProcess();
私有字符串lastName;
私人信件;
私有布尔不呼叫;
私有整数级;
删除私有布尔值;
//接球手和接球手
}
类销售过程{
私有布尔可编辑;
私有字符串类;
私人规则;
//接球手和接球手
}
课堂规则{
私有列表=新列表();
私有字符串类;
//接球手和接球手
}
阶级主义者{
}

似乎gson并没有在任何类中设置任何变量。我做错什么了吗?JSON正在从不同的位置检索,我无权更改它。提前感谢您的帮助。

我尝试了您的示例代码,发现了两个错误

  • 您的主方法需要是静态的,您可以抛出异常或捕获它
  • D_DateObject中指定的时间值必须是float(或double)而不是Integer类型
  • 所以


    然后使用您的对象(使用gson 1.7.1)解析该对象。

    尝试验证上述JSON表明它无效-这可能是错误的原因吗?(请尝试此处:)感谢您查看JSON(以及JSON验证工具的链接),我一定是输入错误了。。。我现在已经更新并验证了JSON仍然正确,但是我仍然无法从任何类中获取任何变量。
    public static void main(String[] args) throws FileNotFoundException {
        BufferedReader json = new BufferedReader(new FileReader("jsonResults.txt"));
        Gson gson = new Gson();
        MyContainer container = gson.fromJson(json, MyContainer.class);
    }
    
    class D_DateObject {
    
     private String javaClass;
     private float time; // this needed to be changed
    
     //getters & setters
    }