How to get the Length of a json array in java

How to get the Length of a json array in java - java

I am working on one requirement , where I need to get the length of below json
and length of filters object in the entire json
attaching the json for refrence.
{
"employeeId": "41825",
"userId": "tawright",
"sourceSystem": "Visibility",
"loginId": "nudayaku",
"groupBy": "order",
"isPretty": false,
"limit": 10,
"offset": 0,
"sortBy": "so_date",
"sortOrder": "desc",
"filters": [{
"name": "type",
"value": "POS",
"op": "eq"
}],
"srpGoalHeaderId": 3069181,
"srpGoalQuotaId": 1750558,
"category": "PRD & SVC|AG",
"goalSheet": "2020 CS020 28-Jul-2019 to 25-Jul-2020",
"loggedInUser": "nudayaku",
"requestedScreen": "orderSearch.g2c"
}
Can some one help me how can i get the Length of the filters involved in this JSon.
I am getting the below error while i am parsing the JSOn
org.json.simple.JSONArray cannot be cast to org.json.JSONArray
import java.io.FileOutputStream;
import java.io.Serializable;
import java.lang.reflect.Array;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.Callable;
import java.sql.Timestamp;
import org.apache.poi.xssf.streaming.SXSSFRow;
import org.apache.poi.xssf.streaming.SXSSFSheet;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
import org.json.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import com.cisco.export.utils.SFDbConnection;
import com.fasterxml.jackson.core.JsonParser;
//Assign value from Input Export JSon
JSONObject json = getJSONObject(getFilters());
String employeeId = (String) json.get("employeeId");
Long planId = (Long) json.get("planId");
Long srpGoalHeaderId = (Long) json.get("srpGoalHeaderId");
Long allocationId = (Long) json.get("allocationId");
String nodeName = (String) json.get("nodeName");
String erpPosFlag = (String) json.get("erpPosFlag");
Long soNumber = (Long) json.get("soNumber");
ObjectMapper mapper = new ObjectMapper();
JSONArray filters = (JSONArray) json.get("filters");
System.out.println("filters" +filters);
error log:
Exception is java.lang.ClassCastException: org.json.simple.JSONArray cannot be cast to org.json.JSONArray java.lang.ClassCastException: org.json.simple.JSONArray cannot be cast to org.json.JSONArray
Thanks,
Nikhil

You are importing JSONArray as below (from a different library)
import org.json.JSONArray;
Import it from json simple as well
import org.json.simple.JSONArray;
Hope this helps !!

try mapping it into an object and you could get the filters length pretty easily.
eg
var object = {
"employeeId": "41825",
"userId": "tawright",
"sourceSystem": "Visibility",
"loginId": "nudayaku",
"groupBy": "order",
"isPretty": false,
"limit": 10,
"offset": 0,
"sortBy": "so_date",
"sortOrder": "desc",
"filters": [{
"name": "type",
"value": "POS",
"op": "eq"
}],
"srpGoalHeaderId": 3069181,
"srpGoalQuotaId": 1750558,
"category": "PRD & SVC|AG",
"goalSheet": "2020 CS020 28-Jul-2019 to 25-Jul-2020",
"loggedInUser": "nudayaku",
"requestedScreen": "orderSearch.g2c"
}
console.log('filters length',object.filters.length);
to parse the json into object use JsonParser
e.g.
JSONParser parse = new JSONParser();
Object EmployeeObject = parse.parse(yourjsonobject);
console.log(EmployeeObject.filters.length);

The length of the "filters" jsonArray is actually 1 because within the square [] brackets you have {} which is accounted as 1 element in the array.
Assuming you want to get the size of the json object inside the json array i.e
{
"name": "type",
"value": "POS",
"op": "eq"
}
you need to iterate through the object to get the size

You're mixing two incompatible libraries of json processing, hence the error.
From your code snippet:
import org.json.JSONArray;
import org.json.simple.JSONObject;
Obviously its wrong:
org.json.simple is offered by http://code.google.com/p/json-simple/
org.json is supported by some other libraries like this one for instance
The best would be opening the corresponding classes and checking out to which jar they actually belong (for example, in IntelliJ you can simply press Alt + F1 for this).
So stick to one library and it should work.

Instead of mixing two different library operations which are wrong indeed, you can make use of the same ObjectMapper which you are creating to get the filters list
ObjectMapper mapper = new ObjectMapper();
Using the above mapper convert your json to a Map<String, Object>, and then you can have handle on the entire json. You can do something like this to get the list out of your json.
Map<String, Object> map = mapper.readValue(json, Map.class);
if(map.containsKey("filters")) {
List<Object> filters = (List) map.get("filters");
System.out.println(filters);
System.out.println(filters.size());
}
This snippets prints out:
[{name=type, value=POS, op=eq}]
1

I solve it that way
myJson ->My Json that inside it exist an array
fieldPath -> the path to the array
import com.jayway.jsonpath.JsonPath;
import org.json.JSONArray;
import org.json.simple.JSONObject;
JSONObject myJson;
public long CountFields(String fieldPath) {
String onlyMyArray=JsonPath.parse(myJson).read(fieldPath).toString();
JSONArray jsonArray = new JSONArray(onlyMyArray);
return jsonArray.length();
}

Related

org.json.JSONException: JSONObject["STATIONS_ID"] not a number [duplicate]

I am trying to parse this JSONObject
{
"query": {
"yahoo:count": 1,
"results": {
"rate": {
"Name": "USD/INR",
"id": "USDINR",
"Time": "12:19pm",
"Date": "10/31/2015",
"Bid": 65.405,
"Ask": 65.43,
"Rate": 65.405
}
},
"yahoo:created": "2015-11-01T02:16:56Z",
"yahoo:lang": "en-US",
"xmlns:yahoo": "http://www.yahooapis.com/v1/base.rng"
}
}
This is my program
import java.text.ParseException;
import java.util.ArrayList;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
public class Test {
public static void main(String[] args) throws ParseException, JSONException {
String json = "{\"query\":{\"yahoo:count\":1,\"results\":{\"rate\":{\"Name\":\"USD/INR\",\"id\":\"USDINR\",\"Time\":\"12:19pm\",\"Date\":\"10/31/2015\",\"Bid\":65.405,\"Ask\":65.43,\"Rate\":65.405}},\"yahoo:created\":\"2015-11-01T02:16:56Z\",\"yahoo:lang\":\"en-US\",\"xmlns:yahoo\":\"http://www.yahooapis.com/v1/base.rng\"}}";
JSONObject json_obj = new JSONObject(json);
String Rate = json_obj.getJSONObject("query").getJSONObject("results")
.getJSONObject("rate").getString("Rate");
System.out.println(Rate);
}
}
Exception in thread "main" org.json.JSONException: JSONObject["Rate"] not a string.
at org.json.JSONObject.getString(JSONObject.java:644)
at Test.main(Test.java:16)
Could you please let me know how to resolve this ??

Its strict about its types, getString("Rate") is not a string its a number. To get the number value use getDouble("rate"). You can also use the type safe get of get("rate") which should return a Double then call toString() on it.

Isn't the stack trace obvious? Rate is not a string, but an integer. You should use getInt or getNumber or whatever is called in Java, instead of getString.

Try like this
.getDouble("Rate")
instead of
.getString("Rate")
rate is double not string

How to read json response string into Document object of Document AI from java?

I'm working with another API which calls the google Document AI API. I'm trying to read the JSON String from the file into a Document object. How should this be done?
I tried the following but it is not working.
import com.google.cloud.documentai.v1.Document;
import java.io.FileInputStream;
Document document = Document.parseFrom(new FileInputStream("src/main/resources/responseFromAPICall.json"));
System.out.println(document.getText());
I'm getting this error:
Exception in thread "main" com.google.protobuf.InvalidProtocolBufferException: Protocol message end-group tag did not match expected tag.
at com.google.protobuf.InvalidProtocolBufferException.invalidEndTag(InvalidProtocolBufferException.java:129)
at com.google.protobuf.CodedInputStream$StreamDecoder.checkLastTagWas(CodedInputStream.java:2124)
at com.google.protobuf.CodedInputStream$StreamDecoder.readGroup(CodedInputStream.java:2358)

Today I came across this issue as well. This answer gave me the starting point for a solution.
If your json file was saved from a call to Document AI and looks like:
{
"document": {
...
"text": "...",
...
},
"humanReviewStatus": {...}
}
you may use the following code snippet:
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import com.google.cloud.documentai.v1.Document;
import com.google.cloud.documentai.v1.ProcessResponse;
import com.google.protobuf.util.JsonFormat;
Path filePath = Paths.get("src/main/resources/responseFromAPICall.json");
ProcessResponse.Builder responseBuilder = ProcessResponse.newBuilder();
JsonFormat.parser().merge(Files.newBufferedReader(filePath), responseBuilder);
Document document = responseBuilder.getDocument();
System.out.println(document.getText());
If your json file only contains the "document" object:
{
...
"text": "...",
...
}
This code will do the trick:
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import com.google.cloud.documentai.v1.Document;
import com.google.protobuf.util.JsonFormat;
Path filePath = Paths.get("src/main/resources/responseFromAPICall.json");
Document.Builder docBuilder = Document.newBuilder();
JsonFormat.parser().merge(Files.newBufferedReader(filePath), docBuilder);
System.out.println(docBuilder.getText());

How parse nested json in Spring

I have nested JSON with bunch of children objects, but I just need response_time and question, subquestions of survey_data. What is the best way to parse nested JSON in rest controller to the object in spring?
{
"is_test_data":false,
"language":"English",
"url_variables":{
"requestId":{
"key":"requestId",
"value":"1"
}
},
"response_time":1114,
"survey_data":{
"2":{
"id":2,
"type":"parent",
"question":"For each of the following factors, please rate your recent project",
"subquestions":{
"10":{
"10001":{
"id":10001,
"type":"MULTI_TEXTBOX",
"question":"Overall Quality : Rating",
"answer":null,
}
},
"11":{
"10001":{
"id":10001,
"type":"MULTI_TEXTBOX",
"question":"Achievement of Intended Objectives : Rating",
"answer":null
}
}
}
},
"33":{
"id":33,
"type":"HIDDEN",
"question":"Submitted",
"answer_id":0,
}
}
}
Thank you.

What you should do is parse the complete json to jsonObject using json-simple jar
which create a map like structure for the json and then you can simply get the desired value from it using the key as I explained in below example
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;
public class JsonDeserializer {
public static void main(String[] args) throws Exception {
File file = new File("test.json");
InputStream is = new FileInputStream(file);
StringBuilder textBuilder = new StringBuilder();
try (Reader reader = new BufferedReader(
new InputStreamReader(is, Charset.forName(StandardCharsets.UTF_8.name())))) {
int c = 0;
while ((c = reader.read()) != -1) {
textBuilder.append((char) c);
}
}
String jsonTxt = textBuilder.toString();
Object obj = new JSONParser().parse(jsonTxt);
JSONObject jo = (JSONObject) obj;
System.out.println(jo.get("response_time"));
}
}

JSON is a data communication format that is lightweight, text-based. Objects and arrays are two structured kinds that JSON can represent. A JSONArray may extract text from a String and convert it to a vector-like object. The getString(index) method of JSONArray can be used to parse a nested JSON object. This is a helper method for the getJSONString method (index). The getString() method returns a string.

Microdata Java Parser from HTML

Actually I am trying to parse schema.org Microdata from HTML source pages using a java library.I tried many sites finally I found any23 and Mf2j from github For .apache any23 I didn't find proper documentation so I left that and finally using Mf2j I build the project and I got the jar. I created a sample project to execute Mf2j to parse Microdata. Here is the sample code which I wrote.
package org.mypro;
import java.io.IOException;
import java.net.HttpURLConnection;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.Map;
import java.util.Properties;
import java.util.Map.Entry;
import com.kylewm.mf2j.Mf2Parser;
public class MySample {
/**
* #param args
* #throws URISyntaxException
* #throws IOException
*/
public static void main(String[] args) throws IOException, URISyntaxException {
// TODO Auto-generated method stub
Mf2Parser parser = new Mf2Parser()
.setIncludeAlternates(true)
.setIncludeRelUrls(true);
URL server = new URL("http://blogbasics.com/examples-of-blogs/");
Properties systemProperties = System.getProperties();
systemProperties.setProperty("http.proxyHost","pp.xyz.com");
systemProperties.setProperty("http.proxyPort","1234");
HttpURLConnection connection = (HttpURLConnection)server.openConnection();
connection.connect();
Map<String,Object> parsed = parser.parse(new URI("http://blogbasics.com/examples-of-blogs/"));
for (Entry<String, Object> string : parsed.entrySet()) {
System.out.println(string.getKey() +" = "+string.getValue());
}
}
}
But I got output like this. I got ly image URL's but I need all Microdata metadata.
rels = {"Icon":["http://blogbasics.com/wp-content/uploads/cropped-Blog-Basics-favicon.png"],"Shortcut":["http://blogbasics.com/wp-content/uploads/cropped-Blog-Basics-favicon.png"],"apple-touch-icon-precomposed":["http://blogbasics.com/wp-content/uploads/apple-touch-icon-144x144.png","http://blogbasics.com/wp-content/uploads/apple-touch-icon-114x114.png","http://blogbasics.com/wp-content/uploads/apple-touch-icon-72x72.png","http://blogbasics.com/wp-content/uploads/apple-touch-icon-57x57.png"],"canonical":["http://blogbasics.com/examples-of-blogs/"],"external":["http://blogbasics.com","http://allisondduncan.com","http://www.kuldipsonsjewellers.com/Earring.html","http://jin6000.tumblr.com/","http://ckckarate.com","http://www.ferrypress.com/profile.php?u=Herman1879"],"nofollow":["http://bit.ly/1EQF6HG","https://curlcentric.leadpages.net/leadbox/14581e773f72a2%3A12e927026b46dc/5758142528880640/","http://blogbasics.com/examples-of-blogs/#comment-261","http://blogbasics.com","http://blogbasics.com/examples-of-blogs/#comment-262","http://allisondduncan.com","http://blogbasics.com/examples-of-blogs/#comment-270","http://blogbasics.com/examples-of-blogs/#comment-736","http://www.kuldipsonsjewellers.com/Earring.html","http://blogbasics.com/examples-of-blogs/#comment-1407","http://blogbasics.com/examples-of-blogs/#comment-3036","http://blogbasics.com/examples-of-blogs/#comment-5682","http://blogbasics.com/examples-of-blogs/#comment-6877","http://blogbasics.com/examples-of-blogs/#comment-8615","http://jin6000.tumblr.com/","http://blogbasics.com/examples-of-blogs/#comment-8684","http://ckckarate.com","http://blogbasics.com/examples-of-blogs/#comment-18326","http://www.ferrypress.com/profile.php?u=Herman1879","http://blogbasics.com/examples-of-blogs/#comment-22883","http://blogbasics.com/examples-of-blogs/#comment-26672","http://blogbasics.com/examples-of-blogs/#respond","http://www.blogbasics.com","http://www.blogbasics.com/privacy","http://www.blogbasics.com/terms-conditions/","http://www.blogbasics.com/contact/"],"publisher":["https://www.google.com/+Blogbasics"],"stylesheet":["http://blogbasics.com/wp-content/themes/tru/style.css?v=1427736009&ver=2.1.3","http://fonts.googleapis.com/css?family=Open+Sans%3A300%2C400italic%2C400%2C600%2C700%7CRokkitt&ver=1.5","http://optinskin.com/src-4/min/normalize.min.css?ver=4.3","http://blogbasics.com/wp-content/plugins/OptinSkin/skins/1/style.css?ver=4.3","http://blogbasics.com/wp-content/themes/tru/includes/lib/spyr_slidingshare/style.css?ver=0.9.3"]}
items = []
rel-urls = {"http://allisondduncan.com":{"rels":["external","nofollow"],"text":"Allison Duncan"},"http://bit.ly/1EQF6HG":{"rels":["nofollow"]},"http://blogbasics.com":{"rels":["external","nofollow"],"text":"Paul Odtaa"},"http://blogbasics.com/examples-of-blogs/":{"rels":["canonical"]},"http://blogbasics.com/examples-of-blogs/#comment-1407":{"rels":["nofollow"],"text":"Reply"},"http://blogbasics.com/examples-of-blogs/#comment-18326":{"rels":["nofollow"],"text":"Reply"},"http://blogbasics.com/examples-of-blogs/#comment-22883":{"rels":["nofollow"],"text":"Reply"},"http://blogbasics.com/examples-of-blogs/#comment-261":{"rels":["nofollow"],"text":"Reply"},"http://blogbasics.com/examples-of-blogs/#comment-262":{"rels":["nofollow"],"text":"Reply"},"http://blogbasics.com/examples-of-blogs/#comment-26672":{"rels":["nofollow"],"text":"Reply"},"http://blogbasics.com/examples-of-blogs/#comment-270":{"rels":["nofollow"],"text":"Reply"},"http://blogbasics.com/examples-of-blogs/#comment-3036":{"rels":["nofollow"],"text":"Reply"},"http://blogbasics.com/examples-of-blogs/#comment-5682":{"rels":["nofollow"],"text":"Reply"},"http://blogbasics.com/examples-of-blogs/#comment-6877":{"rels":["nofollow"],"text":"Reply"},"http://blogbasics.com/examples-of-blogs/#comment-736":{"rels":["nofollow"],"text":"Reply"},"http://blogbasics.com/examples-of-blogs/#comment-8615":{"rels":["nofollow"],"text":"Reply"},"http://blogbasics.com/examples-of-blogs/#comment-8684":{"rels":["nofollow"],"text":"Reply"},"http://blogbasics.com/examples-of-blogs/#respond":{"rels":["nofollow"],"text":"Cancel reply"},"http://blogbasics.com/wp-content/plugins/OptinSkin/skins/1/style.css?ver=4.3":{"media":"all","rels":["stylesheet"],"type":"text/css"},"http://blogbasics.com/wp-content/themes/tru/includes/lib/spyr_slidingshare/style.css?ver=0.9.3":{"media":"all","rels":["stylesheet"],"type":"text/css"},"http://blogbasics.com/wp-content/themes/tru/style.css?v=1427736009&ver=2.1.3":{"media":"all","rels":["stylesheet"],"type":"text/css"},"http://blogbasics.com/wp-content/uploads/apple-touch-icon-114x114.png":{"rels":["apple-touch-icon-precomposed"]},"http://blogbasics.com/wp-content/uploads/apple-touch-icon-144x144.png":{"rels":["apple-touch-icon-precomposed"]},"http://blogbasics.com/wp-content/uploads/apple-touch-icon-57x57.png":{"rels":["apple-touch-icon-precomposed"]},"http://blogbasics.com/wp-content/uploads/apple-touch-icon-72x72.png":{"rels":["apple-touch-icon-precomposed"]},"http://blogbasics.com/wp-content/uploads/cropped-Blog-Basics-favicon.png":{"rels":["Shortcut","Icon"],"type":"image/x-icon"},"http://ckckarate.com":{"rels":["external","nofollow"],"text":"Ed JP"},"http://fonts.googleapis.com/css?family=Open+Sans%3A300%2C400italic%2C400%2C600%2C700%7CRokkitt&ver=1.5":{"media":"all","rels":["stylesheet"],"type":"text/css"},"http://jin6000.tumblr.com/":{"rels":["external","nofollow"],"text":"Edward Carty"},"http://optinskin.com/src-4/min/normalize.min.css?ver=4.3":{"media":"all","rels":["stylesheet"],"type":"text/css"},"http://www.blogbasics.com":{"rels":["nofollow"],"text":"Blog Basics"},"http://www.blogbasics.com/contact/":{"rels":["nofollow"],"text":"Contact"},"http://www.blogbasics.com/privacy":{"rels":["nofollow"],"text":"Privacy Policy"},"http://www.blogbasics.com/terms-conditions/":{"rels":["nofollow"],"text":"Terms and Conditions"},"http://www.ferrypress.com/profile.php?u=Herman1879":{"rels":["external","nofollow"],"text":"hgh xl"},"http://www.kuldipsonsjewellers.com/Earring.html":{"rels":["external","nofollow"],"text":"Jewellery Shop in Ranchi"},"https://curlcentric.leadpages.net/leadbox/14581e773f72a2%3A12e927026b46dc/5758142528880640/":{"rels":["nofollow"],"text":"(Click Here)"},"https://www.google.com/+Blogbasics":{"rels":["publisher"]}}
Actually I need output in this form, not in json format. I need data content like this. I found this using JavaScript Microdata Parser from http://foolip.org/microdatajs/live/ but I need same kind of parser in java. Please suggest me. Thanks
"type": [ "http://schema.org/WebPage" ], "properties": { "mainContentOfPage": [ { "type": [ "http://schema.org/Blog" ], "properties": { "blogPost": [ { "type": [ "http://schema.org/BlogPosting" ], "properties": { "headline": [ "Examples of Blogs" ], "author": [ { "type": [ "http://schema.org/Person" ], "properties": { "name": [ "Kenneth Byrd" ] } } ],
Read more: http://foolip.org/microdatajs/live/#ixzz3lJJII7g0

Converting JSON to XML generated invalid XML

Please have a look at the following.
import java.io.BufferedReader;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONML;
import org.json.JSONTokener;
import org.json.XML;
import com.amazonaws.auth.ClasspathPropertiesFileCredentialsProvider;
import com.amazonaws.regions.Region;
import com.amazonaws.regions.Regions;
import com.amazonaws.services.s3.AmazonS3Client;
import com.amazonaws.services.s3.model.GetObjectRequest;
import com.amazonaws.services.s3.model.S3Object;
public class JsonToXML
{
private AmazonS3Client s3;
public JsonToXML(String inputBucket, String inputFile) throws IOException, JSONException
{
//Connection to S3
s3 = new AmazonS3Client(new ClasspathPropertiesFileCredentialsProvider());
Region usWest2 = Region.getRegion(Regions.US_EAST_1);
s3.setRegion(usWest2);
//Downloading the Object
System.out.println("Downloading Object");
S3Object s3Object = s3.getObject(new GetObjectRequest(inputBucket, inputFile));
System.out.println("Content-Type: " + s3Object.getObjectMetadata().getContentType());
//Read the JSON File
BufferedReader reader = new BufferedReader(new InputStreamReader(s3Object.getObjectContent()));
StringBuffer strBuffer = new StringBuffer("");
int i=0;
while (true) {
String line = reader.readLine();
if (line == null) break;
System.out.println("Running: "+i);
strBuffer.append(line);
i++;
}
JSONTokener jTokener = new JSONTokener(strBuffer.toString());
JSONArray jsonArray = new JSONArray(jTokener);
//Convert to XML
String xml = XML.toString(jsonArray);
File f = new File("XML.xml");
FileWriter fw = new FileWriter(f);
fw.write(xml);
}
}
This is how the Json files look like
[
{
"_type": "ArticleItem",
"body": "Who's signing",
"source": "money.cnn.com",
"last_crawl_date": "2014-01-14",
"url": "http: //money.cnn.com/"
},
{
"_type": "ArticleItem",
"body": "GMreveals",
"title": "GMreveals625-horsepowerCorvetteZ06-Jan.13",
"source": "money.cnn.com",
"last_crawl_date": "2014-01-14",
"url": "http: //money.cnn.com"
}
]
This code generated invalid XML or files without any text. Invalid means, after the last <> it still generate some text, so the entire file is invalid. What is wrong here?
UPDATE
According to the answer of jtahlborn I managed to generate an XML file with the following output.
<array><body>Who&apos;s signing</body><_type>ArticleItem</_type><source>money.cnn.com</source><last_crawl_date>2014-01-14</last_crawl_date><url>http: //money.cnn.com/</url></array><array><body>GMreveals</body><_type>ArticleItem</_type><title>GMreveals625-horsepowerCorvetteZ06-Jan.13</title><source>money.cnn.com</source><last_crawl_date>2014-01-14</last_crawl_date><url>http: //money.cnn.com</url></array>
But XML Validator in here says:
XML Parsing Error: junk after document element
Location: http://www.w3schools.com/xml/xml_validator.asp
Line Number 1, Column 181:

You need to flush()/close() the FileWriter to ensure all the data is written to the file.
The problem is that you have 2 "top-level" elements in your xml result (2 "array" elements). xml can only have one top-level element.
UPDATE:
Try this for converting the json to xml:
String xml = XML.toString(jsonArray, "doc");

Develop Reference

Java is a programming language and computing platform first released by Sun Microsystems in 1995.

How to get the Length of a json array in java - java

You are importing JSONArray as below (from a different library) import org.json.JSONArray; Import it from json simple as well import org.json.simple.JSONArray; Hope this helps !!

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