json

Only using @JsonIgnore during serialization, but not deserialization

by

Exactly how to do this depends on the version of Jackson that you’re using. This changed around version 1.9, before that, you could do this by adding @JsonIgnore to the getter. Which you’ve tried: Add @JsonIgnore on the getter method only Do this, and also add a specific @JsonProperty annotation for your JSON “password” field name to the setter method for the … Read more

Converting JSON to XML in Java

by

Use the (excellent) JSON-Java library from json.org then JSONObject json = new JSONObject(str); String xml = XML.toString(json); toString can take a second argument to provide the name of the XML root node. This library is also able to convert XML to JSON using XML.toJSONObject(java.lang.String string) Check the Javadoc Link to the the github repository POM <dependency> <groupId>org.json</groupId> <artifactId>json</artifactId> <version>20160212</version> … Read more

How to read json file into java with simple JSON library

by

I want to read this JSON file with java using json simple library. My JSON file looks like this: [ { “name”:”John”, “city”:”Berlin”, “cars”:[ “audi”, “bmw” ], “job”:”Teacher” }, { “name”:”Mark”, “city”:”Oslo”, “cars”:[ “VW”, “Toyata” ], “job”:”Doctor” } ] This is the java code I wrote to read this file: package javaapplication1; import java.io.FileNotFoundException; import … Read more

How to convert the following json string to java object?

by

No need to go with GSON for this; Jackson can do either plain Maps/Lists: ObjectMapper mapper = new ObjectMapper(); Map<String,Object> map = mapper.readValue(json, Map.class); or more convenient JSON Tree: JsonNode rootNode = mapper.readTree(json); By the way, there is no reason why you could not actually create Java classes and do it (IMO) more conveniently: public … Read more

How to create JSON Object using String?

by

JSONArray may be what you want. String message; JSONObject json = new JSONObject(); json.put(“name”, “student”); JSONArray array = new JSONArray(); JSONObject item = new JSONObject(); item.put(“information”, “test”); item.put(“id”, 3); item.put(“name”, “course1”); array.put(item); json.put(“course”, array); message = json.toString(); // message // {“course”:[{“id”:3,”information”:”test”,”name”:”course1″}],”name”:”student”}

How to Get JSON Array Within JSON Object?

by

I guess this will help you. JSONObject jsonObj = new JSONObject(jsonStr); JSONArray ja_data = jsonObj.getJSONArray(“data”); int length = jsonObj.length(); for(int i=0; i<length; i++) { JSONObject jsonObj = ja_data.getJSONObject(i); Toast.makeText(this, jsonObj.getString(“Name”), Toast.LENGTH_LONG).show(); // getting inner array Ingredients JSONArray ja = jsonObj.getJSONArray(“Ingredients”); int len = ja.length(); ArrayList<String> Ingredients_names = new ArrayList<>(); for(int j=0; j<len; j++) { JSONObject … Read more

How to upload a file and JSON data in Postman?

by

In postman, set method type to POST. Then select Body -> form-data -> Enter your parameter name (file according to your code) and on right side next to value column, there will be dropdown “text, file”, select File. choose your image file and post it. For rest of “text” based parameters, you can post it like normally you do with … Read more