I wanna display a parsed json with my values . I mean , I wanna add some values to the json and display it . I can display all result from respond , but I wanna display just the json with my values not all data :)
here i have parsed allready my json
JSONObject jsonObject = new JSONObject(adresUrl);
JSONArray offerResources = jsonObject.getJSONArray("offerResources");
for(int y = 0; y < offerResources.length(); y++){
JSONObject currentTransfer = offerResources.getJSONObject(y);
JSONArray meetPoint = currentTransfer.getJSONArray("meetPoints");
for (int i = 0; i < meetPoint.length(); i++){
JSONObject currentMeetPoints = meetPoint.getJSONObject(i);
String startAddress = currentMeetPoints.getString("startAddress"); // here i wanna put some values , but i dont know how
// here is a litle piece of my json :)
"meetPoints": [
{
"startAddress": "....", // after the collon i have to put my value .
"startLocation": {
thank you for your help
I'm not sure if I understood your question fully but from what I got here is some solution. I simply created a string and couple of Json objects and jsonarray for adding the list of values and put it inside the main json object "jsonValueObject " and accumulate it inside meetPoints.
Accumulate(String key,Object Value) is a key value pair, meaning if key is created then Object is checked for being an array,and if this array has "values", it will be added else new array will be created. "Put" will replace the value if the key exists.
String jsonString = "{\"results\":[{\"Country\":\"value\",\"state\":\"value\" },
{ \"Country\":\"value\", \"state\":\"value\"}]}";
JSONObject meetPoints = new JSONObject(jsonDataString);
JSONObject jsonValueObject = new JSONObject();
JSONArray list = new JSONArray();
jsonValueObject.put("Country", "newValue");
jsonValueObject.put("state", "newValue");
jsonValueObject.put("city", "Chennai");
jsonValueObject.put("street", "Bharathiyar Street");
jsonValueObject.put("date", "14May2017");
jsonValueObject.put("time", "10:00AM");
list.put(jsonValueObject);
meetPoints.accumulate("values", list);
System.out.println(meetPoints);
Related
Very new to JSON, this is probably very simple but I'm not sure how to access the "coordinates" in this JSON I know how to go from resourceSets to resources but get stuck at "point":
{
"resourceSets":[
{
"estimatedTotal":1,
"resources":[
{
"__type":"Location:http:\/\/schemas.microsoft.com\/search\/local\/ws\/rest\/v1",
"bbox":[
51.3223903,
-0.2634519,
51.3246386,
-0.2598541
],
"name":"name",
"point":{
"type":"Point",
"coordinates":[
51.3235145,
-0.261653
]
}
}
]
}
]
}
My code so far:
JSONParser parser = new JSONParser();
JSONObject jObj = (JSONObject)parser.parse(result);
JSONArray jsonArray = (JSONArray)jObj.get("resourceSets");
for (int i = 0; i < jsonArray.size(); i ++) {
JSONObject jObjResourceSets = (JSONObject)jsonArray.get(i);
JSONArray jsonArray2 = (JSONArray)jObjResourceSets.get("resources");
System.out.println("Coords" + jObjResourceSets.get("point"));
}
Lets analyse what you're doing (and need to be doing), step by step, in order to get the "coordinates".
First of all, JSON is a great language to transfer static data. It works like a dictionary, where you have a key and the respective value. The key should always be a String, but the value can be a String, an int/double or even an array of other JSON objects. That's what you have.
For instance, "estimatedTotal" is an element (JSONObject) from the "resourceSet" array (JSONArray).
JSONArray jsonArray = (JSONArray)jObj.get("resourceSets");
What you're saying here is straight forward: from your overall JSONObject - jObj - you want to extract the array with key "resourceSets".
Now you have direct access to "resourceSets" array elements: "estimatedTotal", "resources", etc. So, by applying the same logic, in order to access "coordinates" we need to access the "resources" array. And by that I mean to create a JSONArray object like we did before.
JSONArray jsonResourcesArray = (JSONArray)jObjResourceSets.get("resources");
I hope it's clear what's the content of jsonResourcesArray here. It's the JSON array of "__type", "bbox", "name", "point", (...). The Coordinates howevere are inside "point" JSON object. How do we access it?
JSONObject jsonPointObject = (JSONObject) jsonResourcesArray.get("point");
And you know by know that "jsonPointObject" has as its values the following JSON objects: "type" and "coordinates". Coordinates is an array of values, so do we have to use JSONArray or JSONObject?
JSONArray jsonCoordinatesArray = (JSONArray) jsonPointObject.get("coordinates");
From which we mean: from the jsonPointObject we want to extract the array that has key "coordinates". Now your array is a JSONArray with values of jsonCoordinatesArray.get(0) and jsonCoordinatesArray.get(0).
Now you have, not only the code to get those values, but the understanding of how JSON works and how Java interacts with it so you can solve any Json problem from now on.
Normally this code works for the given JSON object. However I'll put the tested formatted JSON value below the java code so you can test it as well.
Note that this code will get you all the coordinates of all the elements in your object.
public static void main(String[] args) throws Exception {
String result = getJsonString();
// Getting root object
JSONParser parser = new JSONParser();
JSONObject jObj = (JSONObject)parser.parse(result);
// Getting resourceSets Array
JSONArray jsonArray = (JSONArray)jObj.get("resourceSets");
for (int i = 0; i < jsonArray.size(); i++) {
// Getting the i object of resourceSet
JSONObject jObjResourceSets = (JSONObject) jsonArray.get(i);
// Getting resources list of the current element
JSONArray jsonArray2 = (JSONArray) jObjResourceSets.get("resources");
for (int j = 0; j < jsonArray2.size(); j++) {
// Getting the j resource of the resources array
JSONObject resource = (JSONObject) jsonArray2.get(j);
// Getting the point object of the current resource
JSONObject point = (JSONObject) resource.get("point");
// Getting the coordinates list of the point
JSONArray coordinates = (JSONArray) point.get("coordinates");
for (int k = 0; k < coordinates.size(); k++) {
System.out.println("Coordinates[" + k + "]: " + coordinates.get(k));
}
// Printing an empty line between each object's coordinates
System.out.println();
}
}
}
The tested JSON Object:
{
"resourceSets":[
{
"estimatedTotal":1,
"resources":[
{
"__type":"Location:http:\/\/schemas.microsoft.com\/search\/local\/ws\/rest\/v1",
"bbox":[
51.3223903,
-0.2634519,
51.3246386,
-0.2598541
],
"name":"name",
"point":{
"type":"Point",
"coordinates":[
51.3235145,
-0.261653
]
}
}
]
}
]
}
If it worked please mark it as the answer.
Good luck ^^
B.
You need the following piece of code to get the data.
JSONArray jsonArray2 = (JSONArray)jObjResourceSets.get("resources");
/**
* here we should note that the "resources" is only having one JSON object hence we can take it as below
* from 0th index using ((JSONObject)jsonArray2.get(0)) these piece of code and the next part is to take the point JSONObject
* from the object.
*/
JSONObject temp = (JSONObject)((JSONObject)jsonArray2.get(0)).get("point");
System.out.println("Coords"+temp.get("coordinates")); //this will give you the coordinates array
//now if you want to do further processing, traverse in the jsonArray like below
JSONArray arr= (JSONArray)temp.get("coordinates");
System.out.println("X coordinate:"+arr.get(0));
System.out.println("Y coordinate:"+arr.get(1));
For more information and further details on JSONObject and JSONArray you can go through this linkparsing-jsonarray-and-jsonobject-in-java-using-json-simple-jar
json-simple-example-read-and-write-json
So I have some code that is able to send this out:
{"id":1,
"method":"addWaypoint",
"jsonrpc":"2.0",
"params":[
{
"lon":2,
"name":"name",
"lat":1,
"ele":3
}
]
}
The server receives this JSON object as a string named "clientstring":
JSONObject obj = new JSONObject(clientstring); //Make string a JSONObject
String method = obj.getString("method"); //Pulls out the corresponding method
Now, I want to be able to get the "params" value of {"lon":2,"name":"name","lat":1,"ele":3} just like how I got the "method".
however both of these have given me exceptions:
String params = obj.getString("params");
and
JSONObject params = obj.getJSONObject("params");
I'm really at a loss how I can store and use {"lon":2,"name":"name","lat":1,"ele":3} without getting an exception, it's legal JSON yet it can't be stored as an JSONObject? I dont understand.
Any help is VERY appreciated, thanks!
params in your case is not a JSONObject, but it is a JSONArray.
So all you need to do is first fetch the JSONArray and then fetch the first element of that array as the JSONObject.
JSONObject obj = new JSONObject(clientstring);
JSONArray params = obj.getJsonArray("params");
JSONObject param1 = params.getJsonObject(0);
How try like that
JSONObject obj = new JSONObject(clientstring);
JSONArray paramsArr = obj.getJSONArray("params");
JSONObject param1 = paramsArr.getJSONObject(0);
//now get required values by key
System.out.println(param1.getInt("lon"));
System.out.println(param1.getString("name"));
System.out.println(param1.getInt("lat"));
System.out.println(param1.getInt("ele"));
Here "params" is not an object but an array. So you have to parse using:
JSONArray jsondata = obj.getJSONArray("params");
for (int j = 0; j < jsondata.length(); j++) {
JSONObject obj1 = jsondata.getJSONObject(j);
String longitude = obj1.getString("lon");
String name = obj1.getString("name");
String latitude = obj1.getString("lat");
String element = obj1.getString("ele");
}
I'm very new to parsing JSON. I have looked all over and cannot seem to grasp the idea to my particular problem. I'm having a hard time understanding how to get a JSON object from a JSON array. My example is below
[{"styleId":94,
"status":"verified",
"abv":"4.2",
"name":"Bud Light"}]
Here is my current code
JSONParser parser = new JSONParser();
Object obj = parser.parse(inputLine);
JSONObject jsonObject = (JSONObject) obj;
Long currPage = (Long)jsonObject.get("currentPage");
System.out.println(currPage);
JSONArray jArray = (JSONArray)jsonObject.get("data");
System.out.println(jArray);
inputLine is my orignal JSON. I have pulled a JSONArray out of the original JSONObject that has the "data" tag. Now this is where I'm stuck and given the JSONArray at the top. Not sure how to iterate through the Array to grab JUST the "name" tag.
Thanks for the help in advanced!
To iterate in a JSONArray you need to go through each element in a loop.
int resultSize = jArray.length();
JSONObject result;
for (int i = 0; i < resultSize; i++) {
result = resultsArray.getJSONObject(i);
String name = result.getString("name");
// do whatever you want to do now...
}
just use Gson . it works well out of the box with any object type you supply.
This is an example from the user's guide:
int[] ints2 = gson.fromJson("[1,2,3,4,5]", int[].class);
How can I parse in Android a Json array of strings and save it in a java string array ( like: xy[ ] ) ?
My Json to be parsed :
[
{
"streets": [ "street1", "street2", "street3",... ],
}
]
Later in my code I want to populated with that array a spinner item in my layout.
Everything i tried enden with only one street item listed in the spinner.
To parse
try {
JSONArray jr = new JSONArray("Your json string");
JSONObject jb = (JSONObject)jr.getJSONObject(0);
JSONArray st = jb.getJSONArray("streets");
for(int i=0;i<st.length();i++)
{
String street = st.getString(i);
Log.i("..........",""+street);
// loop and add it to array or arraylist
}
}catch(Exception e)
{
e.printStackTrace();
}
Once you parse and add it to array. Use the same to populate your spinner.
[ represents json array node
{ represents json object node
Try this..
JSONArray arr = new JSONArray(json string);
for(int i = 0; i < arr.length(); i++){
JSONObject c = arr.getJSONObject(i);
JSONArray ar_in = c.getJSONArray("streets");
for(int j = 0; j < ar_in.length(); j++){
Log.v("result--", ar_in.getString(j));
}
}
We need to make JSON object first. For example,
JSONObject jsonObject = new JSONObject(resp);
// resp is your JSON string
JSONArray arr = jsonObject.getJSONArray("results");
Log.i(LOG, "arr length = " + arr.length());
for(int i=0;i<arr.length();i++)
{...
arr may contains other JSON Objects or JSON array. How to convert the JSON depends on the String. There is a complete example with some explanation about JSON String to JSON array can be found at http://www.hemelix.com/JSONHandling
I am receiving a json string in the following format:
{"27":{"id":"27","uid":"4","title":"teamer.zapto.org","url":"www.google.jo","ip":"74.125.234.63","enabled":"1","services":{"Http 1":{"status":"1","ts":"1355058071"}},"fetch_interval":"60","ping_shift":"0"},
"30":{"id":"30","uid":"4","title":"google","url":"www.google.com","ip":"74.125.234.114","enabled":"1","services":{"Http 1":{"status":"1","ts":"1355058079"}},"fetch_interval":"60","ping_shift":"0"},
"31":{"id":"31","uid":"4","title":"facebook.com","url":"facebook.com","ip":"69.171.247.21","enabled":"1","services":{"Http 1":{"status":"1","ts":"1355058095"}},"fetch_interval":"60","ping_shift":"0"},
"32":{"id":"32","uid":"4","title":"ebir","url":"www.ebir.com","ip":"74.52.50.226","enabled":"1","services":{"Ftp":{"status":"1","ts":"1355058073"},"Http 1":{"status":"1","ts":"1355058073"}},"fetch_interval":"60","ping_shift":"0"},
"33":{"id":"33","uid":"4","title":"zapto","url":"teamer.zapto.org","ip":"200.35.150.6","enabled":"1","services":{"Http 1":{"status":"0","ts":"1355056146"}},"fetch_interval":"3600","ping_shift":"2"},
"35":{"id":"35","uid":"4","title":"vogella.com","url":"vogella.com","ip":"46.163.79.226","enabled":"1","services":{"Ftp":{"status":"1","ts":"1355058098"},"Http 1":{"status":"1","ts":"1355058098"}},"fetch_interval":"60","ping_shift":"0"},
"36":{"id":"36","uid":"4","title":"msn","url":"www.msn.com","ip":"131.253.13.140","enabled":"1","services":{"Http 1":{"status":"1","ts":"1355058103"}},"fetch_interval":"60","ping_shift":"0"},
"37":{"id":"37","uid":"4","title":"dubizzle.com","url":"www.dubizzle.com","ip":"94.236.93.152","enabled":"1","services":{"Http 1":{"status":"1","ts":"1355058068"}},"fetch_interval":"60","ping_shift":"0"},
"38":{"id":"38","uid":"4","title":"olx.jo","url":"olx.jo","ip":"204.74.99.100","enabled":"1","services":{"Http 1":{"status":"1","ts":"1355058108"}},"fetch_interval":"60","ping_shift":"0"},
"40":{"id":"40","uid":"4","title":"www.sukar.com","url":"www.sukar.com","ip":"72.52.8.195","enabled":"1","services":{"Ftp":{"status":"0","ts":"1355058092"},"Http 1":{"status":"1","ts":"1355058092"}},"fetch_interval":"60","ping_shift":"0"}}
as you can see the keys are numbers (27, 30, 31,...) and are not consecutive. How can I get the data from such json? I know that it must be some kind of loop depending on length but I couldn't figure it out on how to do so. Usually I'd use jObject.getString("id"), but since I don't know what the string would be what can I do?
If you have a JSONObject as the root, you should be able to do the following:
JSONObject root = new JSONObject(jsonString);
JSONArray names = root.names();
for(int i = 0; i < names.length(); i++) {
String tag = names.getString(i);
...
}
The tag will be the numeric tag you refer to.
JSONObject questionMark = new JSONObject(jsonString);
Iterator keys = questionMark.keys();
while(keys.hasNext()) {
// loop to get the dynamic key
String currentDynamicKey = (String)keys.next();
// get the value of the dynamic key
JSONObject currentDynamicValue = questionMark.getJSONObject(currentDynamicKey);