How To Compare Two Json Files In Java Using Jackson

If the hash values of the two XML inputs are equal, they are identical with a very high probability. Using Jackson, you can easily handle automatic conversion from Java objects to JSON and back. ContentsJson dependencyConvert Json to XMLConvert Json String to XML StringConvert Json File to XML fileFull ProgramConvert XML to JsonConvert XML String to Json StringConvert XML File to Json FileFull Program Json dependency For convert Json to/from …. Chapter 1 covers the installation of the AEM SPA Editor JS SDK and the implementation of two React components that map to AEM Text and Image components. XML to JSON Converter. > parsing json in Java or Go without just treating everything as a bag of Object or an interface{} requires a ton of menial boilerplate work. The following rules will be applied during the conversion process: Attributes will be treated as regular JSON properties. However, for LENIENT comparison mode, the order does not matter:. 3, "How to create a simple Scala object from a JSON String. xsd schema file ready, in fact, the easiest way to tell Excel what your data are going to look like is to create a sample XML with at least two repeated nodes. I came across many libraries and finally used json. Using Java WebSockets, JSR 356, and JSON mapped to POJO's So I have been playing around with Tyrus , the reference implementation of the JSR 356 WebSocket for Java spec. In my case the json data is very very large and I want to save by avoiding Spark to make scan over data to infer the schema. hi, I want to compare 2 files in my asp. In fact, Java assumes the UTF8 don't have a BOM so if the BOM is present it won't be discarded and it will be seen as data. If you are dealing with big JSON files, then Jackson is your library of interest. There are two important things you need to know about sections and repeated sections: The content inside a section will only display if the section exists. parse() does this trick. hi, I want to compare 2 files in my asp. It also works as a JSON viewer. You can use Visual Studio to compare two files. Jackson is going to traverse the methods (using reflection), and maps the JSON object into the POJO instance as the field names of the class fits to the field names of the JSON object, jackson-databind library will be use for the implementation. I tried diffbut fail to get my desired output. By default, the java super class java. You may use this as reference. Let's assume you have a student or employee data in a JSON. You can also use other JSON library like GSON instead of Jackson to convert JSON String to Java object. This is referred to as deserializing. The @RequestBody method parameter annotation should bind the json value in the HTTP request body to the java object by using a HttpMessageConverter. CsvReader JavaDocs File Format. I done googling, but I am able to find only two files comparison which returns true or false. ESLint will automatically look for them in the directory of the file to be linted, and in successive parent directories all the way up to the root directory of the filesystem (unless root: true is specified). It parses a JSON String and recursively converts it to a list or map of objects. 3, "How to create a simple Scala object from a JSON String. We can store array inside JSON array, it is known as array of arrays or multidimensional array. stringify method converts a JavaScript value into a JSON string. Sort of like this:. But which one? I have to look and see what is at the root of the JSON file, an object or array. REST Web Services use it. Learn to compare two hashmaps in Java by keys, values and key-value pairs. A JSON Pointer is a string of tokens separated by / characters, these tokens either specify keys in objects or indexes into. Here is an example of a JSON document:. It is a generic matching framework (especially useful for unit testing) that can be extended to build new matchers. The Jackson ObjectMapper class (com. If you are already using JUnit, the latest version now employs Hamcrest. One note, if you are comparing JSON files that contain data expected to change (like timestamps) json-delta can be used to remove that data (via its patch capability) prior to doing your compare. How to compare document objects in java with. if the two objects are referentially equal jsonEqual will still generate the two complete JSON strings. In this tutorial, I'll show you how to write JSON data to a file using JSON. This can be used to use another datatype or parser for JSON floats (e. By default, the java super class java. All classes that read character stream extend java. The two objects inside this array are different types. time APIs, see some general examples and timezone examples. Meanwhile, the JSON module’s dump function is used to dump the data from the dict into the data file. If your cluster is running Databricks Runtime 4. How to Search String in ArrayList in Java with Example code VK December 6, 2014 java , program /* Searching an element in ArrayList without using “contains(Object elem)”, “indexOf(Object elem)” methods can be done by traversing the array list until the search string matches with arraylist element. No Jackson specific annotations required here. fromJson(jsonString, Player. Both libraries generate output in accordance with RFC 6902 (JSON Patch): zjsonpatch; fge json-patch; zjsonpatch is better because it can detect items being inserted/removed from arrays. Validate, format, and compare two JSON documents. You can convert JSON String to Java object in just 2 lines by using Gson as shown below. In this step-by-step Spring Boot RESTful web services example in Java, we take you through the process of developing and testing a nontrivial program from start to finish, all in less than 15 minutes. writeValueAsString() method to convert pojo to JSON //Simple POJO Employee emp = new Employee(1. var jsonObj = JSON. We will build a simple Java servlet using @WebServlet. GSON and JSON-Simple but Jackson is one of the best and feature rich, its also tried and tested library in many places, means you should be. Will this above statement will work. The first difference is that the order of elements in an array has to be exactly same in STRICT comparison mode. In my project, the JSON file contained properties information to be used inside the application. By continuing to use this website, you agree to their use. a grid of values) use A x B x 1. I done googling, but I am able to find only two files comparison which returns true or false. Welcome to Apache Maven. It comes with Kotlin Java Runtime Library so you don't need to install it separately. Compare at X Compare at XY Compare at XYZ Compare a value at a position in the array. Boon is not a JSON parsing project. It supports array. jar will already be there in your library. XML and JSON in Java SE, Part 1: SAXON and Jackson All JavaWorld Blogs » JavaWorld JavaWorld is the original independent resource for Java developers, architects, and managers. Here is the pom. java file It is the most simple use-case and mostly it doesn't work because java classes mostly depends on other java classes placed in libraries. How to parse JSON in Java JSON (JavaScript Object Notation) is a lightweight, text-based, language-independent data exchange format that is easy for humans and machines to read and write. You can change that by using annotations as explained in this tutorial. xsd files? Duplicate json property when converting java object to json string using jackson? How to store rules in database and access them in java files instead of using. Play is based on a lightweight, stateless, web-friendly architecture. That's all about how to parse JSON String in Java and convert a Java object to JSON using Jackson API. This is very useful for sorting data. The generated enum type also includes annotations that allow Jackson to correctly marshal/unmarshal JSON values, even when the actual values contain spaces, start with digits, or contain other characters that cannot legally form part of the Java enum constant name. Check two JSON Objects for equality - Jackson. So, just serialize this LinkedHashMaps data into a file. Got two files with pretty similar content? No Worries! We will compare them for you! Comparing the files, texts, documents and figuring out duplication was never this easy before. {} Json Diff Online JSON Compare persist history to local storage light theme. Home > Java CSV > Java CSV Code Samples Below are code examples for reading and writing CSV files using the Java CSV library. This article series was rewritten in mid 2017 with up-to-date information and fresh examples. jQuery Autocomplete tutorial. In the tutorial, we show how to convert Json to XML and vice versa with Java language by examples. Step 2: Process the JSON Data. Single Responsibility. This is an excerpt from the Scala Cookbook (partially modified for the internet). Securing Node. Write JSON unit tests in less code. Create a new Java project folder and name it as “JAXBXJCTool”. Oxygen XML Editor is a cross platform tool setting the standard in XML editing. These provide varying levels of functionality, from the simplest (the default org. It comes with Kotlin Java Runtime Library so you don't need to install it separately. When we request for the Weather details of a particular city, Server responds by sending the Weather details of the city as the Response Body. For implementations supporting only draft-04 or older, see the Obsolete Implementations page. js or index. The Java API for JSON Processing provides portable APIs to parse, generate, transform, and query JSON using object model and streaming APIs. sqlContext. This article covers ten JSON examples you can use in your projects. springframework. It's important to enter the package name your app is using; this can only be set when you add an app to your Firebase project. Learn how to process and analyze JavaScript Object Notation (JSON) files by using Apache Hive in Azure HDInsight. * @param expectedStr Expected JSON string * @param actualStr JSON string to compare * @param comparator Comparator to use * @return result of the comparison * @throws JSONException JSON parsing error. txt with 2nd line of file2. Since JSON is just simple text, you can expect to get up to 90% compression. Jackson JSON Java API is easy to use and provide a lot of options for the ease of developers working with JSON data. XML and JSON in Java SE, Part 1: SAXON and Jackson All JavaWorld Blogs » JavaWorld JavaWorld is the original independent resource for Java developers, architects, and managers. x libraries and fge/json-schema-validator libraries hosted on GitHub. If you end up having to often deal with both types of files, then JSON. txt consists 50lines file2. Json --version 12. Before going further through the Gson user guide, comparing Gson use with Jackson, I want to point out a significant difference between these two libraries: Jackson can deserialize any valid JSON object into a Map in one simple line of code. How to convert Java object to JSON string? This page shows how to convert java object to JSON string using Jackson's data binding. txt consists 50lines file2. ), it is useful that hamcrest-json supports JSON text (as java. JSON is Like XML Because. No, there's no need, the JavaDoc tool parses the Java code and gets the types from there. One of the IDE that you can use is the IntelliJ IDEA CE (Community Edition). Jackson is also one type of Json which works similar to json. You can use the blue arrows on the toolbar to navigate between each alert. json uses its JSONObject class to create or parse JSON. 1 Convert a Staff object to from JSON. NET types using M:Newtonsoft. The official core Java API, contained in the Android (Google), SE (OpenJDK and Oracle), MicroEJ. Generate Java classes from WSDL files using cxf-codegen-plugin in Maven Java - Convert JavaBean object to XML and back using XMLEncoder and XMLDecoder Very Slow XML Validation against XSDs with unique and key elements Validate XML against an XSD that imports other XSDs Parse Command-line Parameters with Apache Commons CLI IBM Bluemix, Cloud. In this article, I will show how read JSON object using JAVA 8. How to compare two json objects in typescript. Code JSON tests as if you are comparing a string. if you are comparing a string. In this tutorial, I’ll show you how to write JSON data to a file using JSON. config suffix in our URLs:. csv) Json file (. So use gzip wherever possible when communicating with your web services. java and run it. ObjectMapper reads/writes JSON for both types of data bindings. Download JAR file json-rpc-1. Compare Excel Files Using JAVA Thursday, 19 March 2015 | Posted by Unknown To implement this program you need to download Apache POI library and have it in your build path (copy POI jars to lib folder). For the next example we will use the parseText method. NET Content provided by Microsoft For a Microsoft Visual Basic 6. In the above example, we have used the writerWithDefaultPrettyPrinter method to serialize objects using the Jackson default pretty printer for indentation. That, or you can configure the browser you're using to auto-download files to a specific location and then perform checks against the file on disk. x) at its core. The user sessions are stored in memory either via files or in the database on the server. How to format LocalDate object using Jackson? By Wayan Saryada in Jackson Last modified: July 22, 2019 4 Comments We have a Recording class which has a Java 8 java. Using Register Globals User Submitted Data Magic Quotes Hiding PHP Keeping Current Features HTTP authentication with PHP Cookies Sessions Dealing with XForms Handling file uploads Using remote files Connection handling Persistent Database Connections Safe Mode Command line usage Garbage Collection DTrace Dynamic Tracing Function Reference. You should then be able to extend this to your case when you need to POST using JSON. The following example demonstrates how to write a list of mixed variable types to an output file using the json module. Also don't forget about different aspect ratios, you also need to take care about them. It's NOT a proposal to replace JSON or to incorporate it into the JSON spec itself. LocalDate property. In this tutorial on Bash scripting, we are going to learn to do comparisons. What we're going to do is display the thumbnails of the latest 16 photos, which will link to the medium-sized display of the image. It may seem an odd approach requesting a local file in this way but it offers the most flexibility with minimum fuss. txt consists 50lines Now I want to compare the text of two files taht to line by line, I mean How can I compare 1st line of file1. This test covers How do I compare 2 json files having same key-values but in different order in java. The first level of comparison is based on the JSON types of the compared values. See file LICENSE for more details. Session data is stored in memory on the server either via files or in a database. APPLICATION_XML, MediaType. Net framework for serializing data into JSON format. Learn how to edit PDF files using Adobe Acrobat DC and change text and images quickly and easily in PDF documents. Create a simple Employee pojo. The operation object MUST contain a "value" member whose content specifies the value to be added. Comparisons in a script are very useful & one of the most used statements, and we must know how we can use them to our advantage. Now open both of the files you would like to compare as two separate tabs in Notepad++. What this is. In this post I show how JSON date serialization works, a few approaches how you can manage dates and how to automate the process of converting JSON dates to 'real' dates more easily. How to Parse JSON Response with REST-assured Updated: December 8, 2018 - Amir Ghahrai In this API Testing tutorial, we take a look at how to parse JSON response and extract information using the REST-assured library. APPLICATION_JSON }) and we have already added the dependent JAR files via Maven to generate JSON response. Will this above statement will work. Read JSON Response Body using Rest Assured Let us continue with the example of Weather web service that we used in the previous tutorials. This is illustrated below in the ReadStringFromFileLineByLine class. This can be used to use another datatype or parser for JSON integers (e. Open Source developer, most known for Jackson data processor (nee "JSON library"), author of many, many other OSS. When changes are detected with emit an event to all ancestor scopes (upward) with the file object as a parameter. That’s all for how to read and write JSON in java using org. csv) Note You have to get the content of the two files and perform the comparison on the two resultant objects. Using Java maps as the payload of a request means that we can create with them any JSON object on the spot for a specific test. You will learn how to access a REST service, serialize a Java object that contains a list of artists and their albums, and use two different approaches to deserialize the returned JSON resources. MongoDB Mode - one object per line with no commas separating objects. JSON and the graphics files used within the Scratch project which I think means that it has to use a Scratch Player for the code that runs it or it needs a suitable replacement and I would like for it to play as a normal Native Android App would play when tapping on it and load the. The JSON-Java (JSON in Java) library is also known as org. Compare hashmap for same key-values - HashMap. jar files on your classpath. Under the covers, JSONassert converts your string into a JSON object and compares the logical structure and data with the actual JSON. Before going further through the Gson user guide, comparing Gson use with Jackson, I want to point out a significant difference between these two libraries: Jackson can deserialize any valid JSON object into a Map in one simple line of code. Contribute your code and comments through Disqus. Seems like there isn't a way to do this?? simple example of my objects:. Both libraries generate output in accordance with RFC 6902 (JSON Patch): zjsonpatch; fge json-patch; zjsonpatch is better because it can detect items being inserted/removed from arrays. For those who want to use input type="file" instead of HTML5 Drag and Drop, consider using the FileReader API to read the file as soon as the browser button is clicked. This Compare Two Numbers Java Example shows how to compare two numbers using if else if statements. Its features are: {de,}serialization of JSON Patch and JSON Merge Patch instances with Jackson;. Working with JSON in Scala using the Json4s library (part two) In this second part (this is the link to the first part ) we are going to delve deeper in the function offered by the library Json4s. Created by Zack Grossbart. diskcapacity2. Override equals method in the above class. Typically it involves only two steps, Create instance of com. Generate Java classes from WSDL files using cxf-codegen-plugin in Maven Java - Convert JavaBean object to XML and back using XMLEncoder and XMLDecoder Very Slow XML Validation against XSDs with unique and key elements Validate XML against an XSD that imports other XSDs Parse Command-line Parameters with Apache Commons CLI IBM Bluemix, Cloud. Gson is a Java library capable of converting Java objects into their JSON representation and JSON strings to an equivalent Java object without the need for placing Java annotations in your classes. An Import Wizard window will display. org lists 18 different Java libraries for working with JSON (Flexjson gets a double mention). It supports array. I use json2csharp. com about deserialization of JSON into polymorhpic types in Java, I couldn't find a simple and complete example using Jackson. XML and JSON in Java SE, Part 1: SAXON and Jackson All JavaWorld Blogs » JavaWorld JavaWorld is the original independent resource for Java developers, architects, and managers. Apache CXF, Services Framework - JAX-RS Data Bindings. Learn to compare two hashmaps in Java by keys, values and key-value pairs. Great for testing REST interfaces. Since JSON is just simple text, you can expect to get up to 90% compression. JSON Binding (JSON-B) is the new Java EE standard for converting JSON messages to Java Objects and back. Create, write and read in/from JSON file using java: Here, we are going to create two java programs, 1) program that will write content in JSON file and 2) program that will read content from the JSON file. txt and file2. A JSON object is an unordered set of key/value pairs. The correct method - create a new XMLHttpRequest The clue here is the jQuery method $. Java doesn’t limit you to two-dimensional arrays. Previous: Write a Java program to check whether Java is installed on your computer. Step 2: Create the Score class. Oxygen Comparison and Merge Tools In large teams composed either of developers or technical writers, the use of a shared repository is essential. Comparing JSON with JToken. The MongoDB internal JSON parser and the mongo shell can parse this mode. In this article we see how to do this with core perl, but there are more modern and nicer ways to do this using Path::Tiny to read files. Jackson is a popular library for handling JSON in Java applications, quickly becoming the de-facto standard in the ecosystem. Great for testing REST interfaces. So you would probably like to use some more sophisticated solutions. Some web applications generate pdf files, so when automating tests, comparing pdf files at the run time is very important. For example, a server could generate a token that has the claim “logged in as admin” and provide that to a client. JSON Binding (JSON-B) is the new Java EE standard for converting JSON messages to Java Objects and back. We can get JsonReader from Json class or JsonReaderFactory. jar (75 kb) Use JSONObject class to create JSON data in Java. The Java API for JSON Processing provides a convenient way to process (parse, generate, transform, and query) JSON text. How to compare two json objects in typescript. mongo Shell mode. So I had to make a small modification to the JSONObject class. Parsing JSON into Java objects is. asd fg hj k. This is a short recipe, Recipe 15. Let's see how JSON's main website defines it: Thus, JSON is a simple way to create and store data structures within JavaScript. Spring Boot is designed to get you up and running as quickly as possible, with minimal upfront configuration of Spring. Typically it involves only two steps, Create instance of com. We can do this by using JSON. JSON stands for JavaScript Object Notation, and it is based on a subset of JavaScript. For more info on Java 8 java. At this time, we are focusing on text files. As work flows throughout your organization, Box protects your content with advanced security controls, encryption key management, and complete information governance. “JSON Web Token (JWT) is a JSON-based open standard (RFC 7519) for creating access tokens that assert some number of claims. If the types differ, the comparison result is determined solely by which type has higher precedence. Before starting, here is the REST API I am using to parse data into my system JSON-API. I have successfully parsed JSON data into ListView using ArrayList, but unable to populate List based on City name. A JSONObject is an. now i want them to compare line by line, wherever I get difference , it should b highlighted to indicate difference and left the same lines. To create an UTF8 file with a BOM, open the Windows create a simple text file and save it as utf8. How to pass JSON Object string or JSONArray string from javascript to spring controller March 14, 2013 rameshcharykotha Leave a comment Go to comments We usually send primitive data to spring controller by using @RequestParam annotation. txt consists 50lines Now I want to compare the text of two files taht to line by line, I mean How can I compare 1st line of file1. To improve the interoperability between different programs the JavaScript Object Notation provides an easy-to-use and human-readable schema, and thus became very popular. rights[1]; Update array value at index location. What this is. The Catalog class. ObjectMapper Use objectMapper. One JSON task that may seem trivial but is not is that of checking whether two given JSON documents are equal: that is, have same structure and values, and ordering of array values is same. This tutorial shows how to validate JSON against Schema in Java. Is there something similar to the Unix diff tool available? Or is there another other way I haven't considered? I've tried compare-object, but get this cryptic output:. Many free libraries exist that can simplify the process of working with flexible data structures returned in JSON format by a web service. If you are dealing with with lots of small JSON requests then GSON is your library of interest. So, just serialize this LinkedHashMaps data into a file. You shouldn't use constant a pixel-to-unit conversion, as this would lead to different behavior on different screen sizes/resolutions. Generally order is not gauranteed, but if the data is stored in order, GSON would serialize to JSON format in the same order. Enter the contents of two files and click Find Difference. The Expert Concierge™ is available to ensure a smooth on-boarding process and provide ongoing assistance for the whole team. You can easily do so using Notepad++. Question i have in mind is i need to now iterate through these two text files and get what common in both these files. Apache Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for the Java platform aimed at improving developer productivity thanks to a concise, familiar and easy to learn syntax. It lets you exchange data among multiple languages like JSON. This is just one example of how you can use SpreadJS JavaScript spreadsheets to add data to your Excel files and then export them back to Excel with simple. That's all for how to read and write JSON in java using org. Published on 6 November 2015 , last updated on 6 June 2018. Download the file PairOfDiceDriver. Java Object Model. It sits under the Newtonsoft. In the tutorial, we show how to convert Json to XML and vice versa with Java language by examples. JSON supports all the basic data types you’d expect: numbers, strings, and boolean values, as well as arrays and hashes. textFile() method. When we request for the Weather details of a particular city, Server responds by sending the Weather details of the city as the Response Body. Its features are: {de,}serialization of JSON Patch and JSON Merge Patch instances with Jackson;. What we’re going to do is display the thumbnails of the latest 16 photos, which will link to the medium-sized display of the image. Use the index number to modify an array: myObj. However, for a regular comparison between two different files, we often look at different tools. Creating JSON Structure (Part-2): In our previous tutorial, we discussed creating a simple JSON file using sample data sets. ContentsJson dependencyConvert Json to XMLConvert Json String to XML StringConvert Json File to XML fileFull ProgramConvert XML to JsonConvert XML String to Json StringConvert XML File to Json FileFull Program Json dependency For convert Json to/from …. Stream compressors like gzip or bzip2 are recommended for saving space, resulting in. Open Notepad++; Click on the 'Plugins' menu at the top of the screen; Click on 'Plugin Manager' then 'Show Plugin Manager' A list of available plugins will appear - if it does not you need to check your Internet connection. It does not include markup languages used exclusively as document file formats. Select from table where date1>2001-01-05 And date2< 2001-02-05. The next two sections detail how to make clients and servers comply with HTTP 1. LocalDate property. File Difference tool will help you to compare text files,xml,Json,code,String, binary files. In this blog post I will share with you code examples which will help you do most of the tasks you will even need to do when working with JSON and Java. If you don’t want to clutter your POJO class with OpenCSV annotations, then you can use Mapping strategies to specify the mapping between CSV columns and object member fields. If you are dealing with with lots of small JSON requests then GSON is your library of interest. Schema namespace. No, there's no need, the JavaDoc tool parses the Java code and gets the types from there. It provides simple data binding by converting JSON to Java data types, such as maps, lists, strings, numbers, booleans and nulls. Convert String to JSON Object using JavaScript. To convert a Java object to JSON with Jackson, we need to create an ObjectMapper object and use its writeValueAsString method to serialize any Java value as a String. if you are comparing a string. xml file for your reference:. Before I begin the topic, let's define briefly what we mean by JSON. 2015): added spray-json-shapeless library Update (06. You can convert JSON String to Java object in just 2 lines by using Gson as shown below. Because JSON is derived from the JavaScript programming language, it is a natural choice to use as a data format in JavaScript. On using two lists: that is one option, as would be use of immutable Maps for small number of entries (functional style). Some important interfaces of Java JSON API are: javax. org lists 18 different Java libraries for working with JSON (Flexjson gets a double mention). ContentsJson dependencyConvert Json to XMLConvert Json String to XML StringConvert Json File to XML fileFull ProgramConvert XML to JsonConvert XML String to Json StringConvert XML File to Json FileFull Program Json dependency For convert Json to/from …. JSON and the graphics files used within the Scratch project which I think means that it has to use a Scratch Player for the code that runs it or it needs a suitable replacement and I would like for it to play as a normal Native Android App would play when tapping on it and load the. Lets assume that you have json file which has list of states, pincode regex and its respective cities. java,types,javadoc. If you liked it, please share your thoughts in comments section and share it with others too. But if you have multiple array sections (e. Use the delete keyword to delete items from an array: delete myObj. This is only valid though assuming the guys from json-lib properly implemented the equals method, but that you can easily test. each service json object structure may vary. Finally, if you are not using JUnit, you can use Hamcrest directly for assertions. Decide whether you want to go in for the synchronous or asynchronous method of reading the above created JSON file. The key to using Java for the UI is use a Java framework that does all the JS for you - so you can live in a world devoid of having to deal with JS and stick with compiled, typesafe, enterprise suitable code. Submitted by Jyoti Singh, on January 31, 2018 JSON is in an array format which holds the key-value pairs. In some cases, you may need to work with JSON outside the context of a RESTful service. Spring Boot does not require any special tools integration, so you can use any IDE or text editor. How to read file in Java using BufferedReader By Chaitanya Singh | Filed Under: Java I/O In this tutorial we will see two ways to read a file using BufferedReader. json and opens it in write mode. This is a short recipe, Recipe 15. You can also check How to parse JSON in Java using fasterXML / jackson-databind lib. In this tutorial, we shall look into examples addressing different scenarios of reading multiple text files to single RDD. The WebSphere MQ application uses XML messages to manage a list of compact disc (CD) data. writeValue() - Java Objects to JSON. You should then be able to extend this to your case when you need to POST using JSON. csv file is a formatted way ? After parse the json object , I write it to a text file using streamwriter. Gzip'd JSON and Gzip'd proto for representative data at every size is essentially the exact same payload size with an inconsequential variance between the two. (It's only 42% slower anyway.