How can I make Json object for my DTO using GSON

Question

I am new in android and I want make JSON using GSON lib

main Dto file:

public class LeadDto {
    public String CompanyId;
    public String CompanyKey;
    public String UserName;
    public String CreatedDateTime ;
    public String CreatedBy;
    public CustomerDto Customer;
    public List<LeadServicesDto> LeadServices;
    public String getCompanyId() {
        return CompanyId;
    }

    public void setCompanyId(String companyId) {
        CompanyId = companyId;
    }

    public String getCompanyKey() {
        return CompanyKey;
    }

    public void setCompanyKey(String companyKey) {
        CompanyKey = companyKey;
    }

    public String getCreatedDateTime() {
        return CreatedDateTime;
    }

    public void setCreatedDateTime(String createdDateTime) {
        CreatedDateTime = createdDateTime;
    }

    public String getCreatedBy() {
        return CreatedBy;
    }

    public void setCreatedBy(String createdBy) {
        CreatedBy = createdBy;
    }


    public String getUserName() {
        return UserName;
    }

    public void setUserName(String userName) {
        UserName = userName;
    }

    public List<LeadServicesDto> getLeadServices() {
        return LeadServices;
    }

    public void setLeadServices(List<LeadServicesDto> leadServices) {
        LeadServices = leadServices;
    }

    public CustomerDto getCustomer() {
        return Customer;
    }

    public void setCustomer(CustomerDto customer) {
        Customer = customer;
    }
}

I also create for Customer and LeadService dto. In my android I have try code like:

LeadDto lead = new LeadDto();
lead.setCompanyId(mList.get(i).getAuto_id());
lead.setCompanyKey(mList.get(i).getAuto_id());
lead.setUserName(mList.get(i).getUserName());
lead.setCreatedBy(mList.get(i).getAuto_id());
lead.setCreatedDateTime(mList.get(i).getSendDate());
CustomerDto customerObj = new CustomerDto();
customerObj.setAccountNumber(mList.get(i).getAccNo());
customerObj.setFirstName(mList.get(i).getFname());
customerObj.setLastName(mList.get(i).getLname());
customerObj.setPrimaryPhone(mList.get(i).getPhno());
customerObj.setPrimaryEmail(mList.get(i).getEmail_id());
customerObj.setAddress1("nil");
customerObj.setAddress2("nil");
customerObj.setCitySysName("nil");
customerObj.setStateSysName("nil");
customerObj.setCountrySysName("nil");
customerObj.setZip("nil");

for (int j = 0; j < TotalSelectedServicesList.size(); j++) {
    LeadServicesDto leadServicesObj = new LeadServicesDto();
    leadServicesObj.setServiceSysName(TotalSelectedServicesList.get(i).getServiceName());
    leadServicesObj.setUrgencySysName(TotalSelectedServicesList.get(i).getUrgency());
    leadServicesObj.setComment(TotalSelectedServicesList.get(i).getComment());
    if (TotalSelectedServicesList.get(j).getImageName() != null || !TotalSelectedServicesList.get(j).getImageName().equalsIgnoreCase("")) {
        String[] imageArrayForUploading = TotalSelectedServicesList.get(j).getImageName().split(",");
        for (int k = 0; k < imageArrayForUploading.length; k++) {
            if (k != imageArrayForUploading.length) {
                LeadMediaDto leadMediaObj = new LeadMediaDto();
                leadMediaObj.setMediaTypeSysName("Images");
                leadMediaObj.setName(imageArrayForUploading[k].toString());
            }
        }
    }
}
Gson gson = new Gson();
String json = gson.toJson(lead);

And Result only show for:

{
    "CompanyId":"1450335815920",
    "CompanyKey":"1450335815920",
    "CreatedBy":"1450335815920",
    "CreatedDateTime":"12/17/2015 2:3 AM",
    "UserName":"gaurav.jagtap"
}

How can show or put data in above json for remain below object.

public CustomerDto Customer;
public List<LeadServicesDto> LeadServices;

Please help me.

Possible duplicate of [Using GSON in Android to parse a complex JSON object](http://stackoverflow.com/questions/4556230/using-gson-in-android-to-parse-a-complex-json-object) — Iamat8, Dec 17 '15 at 07:13
no its different qus i want json string (gson.toJson) not from @Mohit — Abhishek Maheshwari, Dec 17 '15 at 07:17

score 0 · Answer 1 · answered Dec 17 '15 at 07:19

0

If u are using Gson lib than no need to set value in dto file.

U can only put your class name of dto in Gson and Gson automatically set all values.

Ex.

LeadDto leaddto = new Gson().fromJson(webServiceResponse,  LeadDto.class);

Now get youe value from leaddto object whenever needed.

answered Dec 17 '15 at 07:19

Mayur Sakhiya

326
2
14

bro i want json string from dto plz let me understood how to serialize then all dto data – Abhishek Maheshwari Dec 17 '15 at 07:29

score 0 · Answer 2 · answered Dec 17 '15 at 08:19

0

You are not setting newly created List<LeadServicesDto> and CustomerDto objs in LeadDto. thats why they are not coming in resulted JSON String.

Just set them using their setter methods. Then it will work.

answered Dec 17 '15 at 08:19

Sachin Gupta

7,805
4
30
45

score 0 · Answer 3 · answered Dec 19 '15 at 07:36

I Will give u Example.

private List<RelationItem> Relations;

And in RelationItem class

public class RelationItem {

    private String Id;

    private String Value;
    private String Type;




    public String GetId() {
        return Id;
    }
    public void SetId(String id){Id = id;}



    public String GetValue() {
        return Value;
    }
    public void SetValue (String value){Value = value;}

    public String GetType(){
        return Type;
    }
    public  void SetType(String type){ Type = type;}

}

To get data

WebApi webApi = new WebApi();
                String response = webApi.get("http://192.168.0.4");

                JSONObject jsonObj ;
                jsonObj = new JSONObject(response);


                Relations = jsonObj.getJSONArray(TAG_RELATION);


                for (int i = 0; i < Relations.length(); i++) {
                    JSONObject c = Relations.getJSONObject(i);


                    String Values = c.getString(TAG_VALUE);
                    String Types = c.getString(TAG_TYPE);


                    HashMap<String, String> contact = new HashMap<String, String>();


                    contact.put(TAG_VALUE, Values);
                    contact.put(TAG_TYPE,Types);

                    // adding contact to contact list
                    RelationList.add(contact);

And for Put data use below code:

 RelationItem reitem = new RelationItem();
                reitem.SetId(null);

                reitem.SetType(rspinner.getSelectedItem().toString());
                reitem.SetValue(post_Edittext44.getText().toString());

                reitem.SetUserId(post_Edittext33.getText().toString());


                Gson gson = new Gson();
                String Relation = gson.toJson(reitem);

                WebApi webApi = new WebApi();
                String response = webApi.post("http://192.168.0.4", Relation);
                String msg = response;

How can I make Json object for my DTO using GSON

3 Answers3