Json Deserialize

To convert JSON to an ABAP object, you can use the following code. The pretty_name parameter should be set according to the naming convention of the fields in the JSON.

Input:

  
[
  {
    "id": 32,
    "name": "John",
    "lastName": "Smith",
    "isActive": true,
    "department": "IT"
  },
  {
    "id": 22,
    "name": "Emily",
    "lastName": "Johnson",
    "isActive": false
  }
]    
  

  
types: begin of ts_employee,
         id         type i,
         name       type string,
         last_name  type string,
         is_active  type abap_bool,
         department type string,
       end of ts_employee.
    
data : lt_employees type standard table of ts_employee.

*lv_json is mentioned above.
/ui2/cl_json=>deserialize(
                exporting
                  json = lv_json
                  pretty_name = /ui2/cl_json=>pretty_mode-camel_case
                changing
                  data = lt_employees
                         ).
  

If the JSON contains spaces or characters that cannot be defined as fields in ABAP, the name_mappings parameter should be used for this purpose.

Input:

  
[
  {
    "id": 32,
    "name": "John",
    "Last Name": "Smith",
    "isActive": true
  },
  {
    "id": 22,
    "name": "Emily",
    "Last Name": "Johnson",
    "isActive": false
  }
]
  

  
data : lt_mappings type /ui2/cl_json=>name_mappings,
       ls_mapping  like line of lt_mappings.

ls_mapping-abap = 'last_name'.
ls_mapping-json = 'Last Name'.
append ls_mapping to lt_mappings.
clear ls_mapping.

/ui2/cl_json=>deserialize(
                exporting
                  json = lv_json
                  pretty_name = /ui2/cl_json=>pretty_mode-camel_case
                  name_mappings = lt_mappings
                changing
                  data = lt_employees
                         ).