convert an json array to a POJO?(code wrkng on single array) [duplicate]

Question

Following is the array of the json object

[
  {
    "name": " hh",
    "place": "usa",
    "isPres": false,
    "id": {
      "lId": {
        "id1": "40",
        "level1": "tte"
      },
      "space": "ua"
    },
    "isempty": null,
    "isspace": true
  },
  {
    "name": " GE",
    "place": "guinea",
    "isPres": true,
    "id": {
      "lId": {
        "id1": "30",
        "level1": "Le"
      },
      "space": "ma"
    },
    "isempty": null,
    "isspace": false
  }
]

I tried the below code to convert the JSON array to POJO

public class JsonToPojo {

 public static void main(String[] args) {  
      String packageName="com.vogella.maven.quickstart";  
      File inputJson= new File("C:/projects/quickstart/input.json");  
      File outputPojoDirectory=new File("."+File.separator+"convertedPojo");  
      outputPojoDirectory.mkdirs();  
      try {  
           new JsonToPojo().convert2JSON(inputJson.toURI().toURL(), outputPojoDirectory, packageName, inputJson.getName().replace(".json", ""));  
      } catch (IOException e) {  
           // TODO Auto-generated catch block  
           System.out.println("Encountered issue while converting to pojo: "+e.getMessage());  
           e.printStackTrace();  
      }  
 }  
 public void convert2JSON(URL inputJson, File outputPojoDirectory, String packageName, String className) throws IOException{  
      JCodeModel codeModel = new JCodeModel();  
      URL source = inputJson;  
      GenerationConfig config = new DefaultGenerationConfig() {  
      @Override  
      public boolean isGenerateBuilders() { // set config option by overriding method  
          return true;  
      }  
      public SourceType getSourceType(){  
  return SourceType.JSON;  
}  
      };  
      SchemaMapper mapper = new SchemaMapper(new RuleFactory(config, new Jackson2Annotator(config), new SchemaStore()), new SchemaGenerator());  
      mapper.generate(codeModel, className, packageName, source);  
      codeModel.build(outputPojoDirectory);  
 }

}

but the problem is i am getting the java pojo class only for one object of the array and not for the two objects i want the result for both the arrays

refer to this stackoverflow.com/questions/23109531/json-array-to-pojo — Kordh Rufan
– Kordh Rufan, Commented Oct 1, 2018 at 11:47

Amit Kumar Lal · Accepted Answer · 2018-10-01 12:18:08Z

0

Just a suggestion :: If you are using eclipse you can use https://marketplace.eclipse.org/content/jsonizer plugin to create your pojo automatically from Sample JSON

and then in your java code, you can use Jackson mapper

ObjectMapper mapper = new ObjectMapper();
String jsonInString = "{'name' : 'mkyong'}";

//JSON from String to Object
User user = mapper.readValue(jsonInString, User.class);

answered Oct 1, 2018 at 12:18

Amit Kumar Lal

5,8093 gold badges22 silver badges39 bronze badges

Sign up to request clarification or add additional context in comments.

Collectives™ on Stack Overflow

convert an json array to a POJO?(code wrkng on single array) [duplicate]

1 Answer 1

Comments

Linked

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

Comments

Linked

Related