object to json javascript
var person={"first_name":"Tony","last_name":"Hawk","age":31};
var personJSONString=JSON.stringify(person);object to json javascript
var person={"first_name":"Tony","last_name":"Hawk","age":31};
var personJSONString=JSON.stringify(person);json.stringify parameters
var person={"first_name":"Tony","last_name":"Hawk","age":31};
console.log(JSON.stringify(person , null , 4));
//Output:
> "{
"first_name": "Tony",
"last_name": "Hawk",
"age": 31
}"java serialize object to json
public class someClass {
//your lcode and logic...
ObjectMapper mapper = new ObjectMapper();
SimpleModule module = new SimpleModule();
module.addSerializer(MyAwesomeClass.class, new MyAwesomeSerializer());
mapper.registerModule(module);
jsonNode = mapper.convertValue(myAwesomeObject, JsonNode.class);
//... your code and logic
}
public class MyAwesomeSerializer extends StdSerializer<MyAwesomeClass> {
public MyAwesomeSerializer() {
super(MyAwesomeClass.class);
}
@Override
public void serialize(MyAwesomeClass myAwesomeClass, JsonGenerator jgen, SerializerProvider provider) throws IOException {
ObjectMapper mapper = new ObjectMapper();
jgen.writeStartObject();
jgen.writeStringField("name", myAwesomeClass.getName());
jgen.writeStringField("age", myAwesomeClass.getAge());
jgen.writeArrayFieldStart("hobbies");
for (Hobby hobby : myAwesomeClass.getHobbies()) {
jgen.writeObject(mapper.convertValue(hobby, JsonNode.class));
}
jgen.writeEndArray();
jgen.writeEndObject();
}
}json.stringify file object return {}
// get File Object
var fileObject = getFile();
// reCreate new Object and set File Data into it
var newObject = {
'lastModified' : fileObject.lastModified,
'lastModifiedDate' : fileObject.lastModifiedDate,
'name' : fileObject.name,
'size' : fileObject.size,
'type' : fileObject.type
};
// then use JSON.stringify on new object
JSON.stringify(newObject);Copyright © 2021 Codeinu
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