Json Dynamic Key Java

Tag the question 'jsonpath' and 'java'. The JSONArray object can be used to create an array of list of values to the JSON string, we also use the put() method to add value to the list. Are you fascinated by dynamic data? Do you go green with envy when you see tweets pulled magically into websites? Trust me, I’ve been there. Creating dynamic JSON messages used to be trickier. name', {api_key: "123461823762348756293",. In this tutorial, we will show you how to use Gson to convert Java object to / from JSON. For example, the male key is last key in the outputted. At least double the blocks you already have in your arsenal with this amazing set of new appearances and great functionalities combined to help you showcase any content in multiple ways without having to type a single line of code. It is easy for humans to read and write. Users){ Browse other questions tagged javascript json or ask your. JSON objects are easy to read and write and most of the technologies provide support for JSON objects. It defines a default mapping algorithm for converting existing Java classes to JSON, while enabling developers to customize the mapping process through the use of Java annotations. Metawidget does this without introducing new technologies. The following example shows how you might take advantage of this functionality:. However at least once per this configured interval (1 day by default) will be new public key always downloaded even if the kid of token is already known. A JSON array is an ordered collection of values. JSON objects can be created with JavaScript. Always ensure that you have guard clauses/checks in place before you try to get a member from an dynamic object. Suddenly I wondered whether it's possible or not, after that I had done lot of workaround and finally got this solution. Certificates created this way are in PEM (base64-encoded certificates) format and cannot be directly consumed by Java applications, which need certificates to be stored in Java KeyStores. a pure JavaScript plugin for dynamic form creation that. Bar; // bar = "something". Working Subscribe Subscribed Unsubscribe 72. (The default had been switched to DYNAMIC in MySQL NDB Cluster 7.  We would want the country selection. Thanks to Adam Parry for the outstanding Vulcan Salute used in the logo, available on The Noun Project. text(),r=$("#. It is a multi-model database, supporting graph, document, key/value, and object models, but the relationships are managed as in graph databases with direct connections between records. The basic part of the JSON is JsonElement. As it expects the JSON object passed to it written as key value pair. (computer languages) Initialism of JavaScript Object Notation, a data format used to represent structured data. JSON or JavaScript Object Notation, as you know is a simple easy to understand data format. gps_fixedFind Nearest Station. Het wordt hoofdzakelijk gebruikt voor uitwisseling van data tussen server en webapplicatie, als een alternatief voor XML. JavaScript Object Notation (JSON) is a text-based data exchange format derived from JavaScript that is used in web services and other connected applications. 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. JSON and the Dynamic Script Tag: Easy, XML-less Web Services for JavaScript. Before you start with encoding and decoding JSON using Java, you need to install any of the JSON modules available. So you can use it without any extra installation in Android projects. In android, application uses JSON to transmit data over networks and JSON data is parsed, while it is received from cloud servers and from some where else. MySQL supports a native JSON data type defined by RFC 7159 that enables efficient access to data in JSON (JavaScript Object Notation) documents. JSON (JavaScript Object Notation) is an open text format consisting of attribute–value pairs. Now, are you looking to get the objects that have a particular key in the JSON?. Stefan Goessner. There are two main benefits of a library like Json. This functionality is visible when viewing the field group admin page but only when ACF has detected there are field groups available for synchronizing. The value of properties is an object, where each key is the name of a property and each value is a JSON schema used to validate that property. First, create a JavaScript string containing JSON syntax:. Express is a minimal and flexible Node. GSON also has two other parsers. Devices: You can't put an API key that has full access on a device, because what is on a phone or tablet can easily be stolen. However, sometimes we need to handle dynamic JSON objects, which have unknown properties. In our case id, name, price will be members (or properties) of the JSON Object. By default, the script language is javascript but if the type attribute is set, that defines the script language mime type. To parse JSON strings use the native JSON. JSON (JavaScript Object Notation) is an easy to read, flexible text based format that can be used to store and communicate information to other products. Loop through key value pairs from an associative array with Javascript Posted in Javascript - Last updated Apr. We can also denote this by saying that, for an ordered map map and key key, "map[key] exists". To be able to generate the JSON schema properly, the Java class should have getters and setters defined for its members. JSON is text, and works with standard CLI tools. If you're new to Azure Functions, start with the following resources: Create your first function: C#, JavaScript, Java, or Python. In fact, there are a number of scenarios that would benefit from dynamic typing in my opinion in addition to interop with other dynamic code. With over 16 millions+ pageviews/month, Crunchify has changed the life of over thousands of individual around. var mainjson = (IDictionary)SimpleJson. There are several jar in JACKSON library. Gson User Guide. It provides an opportunity generate any data and in any quantity. Deserializing JSON Strings as JavaScript Date Objects April 28, 2016. fields: Selector specifying a subset of fields to include in the response. JavaSamplerClient interface. Arrays in JSON are almost the same as arrays in JavaScript. I'm trying to parse this structured of json string to Java Object but I failed every attempt. Anyone who gets a significant pull request merged. (REQUIRED) Your API key identifies your project and provides you with API access, quota, and reports. A JSONObject is an. Build lightning fast, interactive client side templates using nothing but Javascript. Products include an advanced graphical XML editor, XSD editor, JSON editor, JSON Schema editor, WSDL editor, XML Code Generator (supporting C#, C++, Java, VB. To enable the JSON API in an existing project, go to the Google Cloud Storage JSON API page in the GCP Console API Library, and click the Enable button. OSB Rest service with xml, json output Inspired by an article RESTify your world. In this particular example I got from d3noob. In JavaScript, array values can be all of the above, plus any other valid JavaScript expression, including functions, dates, and undefined. Android JSON Parser Tutorial. createElement function. One common pattern is a JSON object with dynamic keys. DeserializeObject(json); Now I get json Array when I fetch the value using keys like:-var secjson = mainjson["feelingLucky"]; now. Arrays in JSON are almost the same as arrays in JavaScript. simple) provides us with classes that are used to parse and manipulate JSON in Java. It produces and consumes JSON text in a streaming fashion (similar to StAX API for XML) and allows to build a Java object model for JSON text using API classes (similar to DOM API for XML). I am dynamically producing a JSON as shown below with a Map Data Currently How to remove some part of code dynamically in JSON? Ram Kiranva Java file APIs. json in Bedrock Edition) is a file used by the sound system in resource packs which tells the sound system what sound files to play when a sound event is triggered by one or more in-game events. JSON originated from a weakly-typed and dynamic language, Javascript. Thanks to Adam Parry for the outstanding Vulcan Salute used in the logo, available on The Noun Project. Express is a minimal and flexible Node. Also Username. JsonPath expressions always refer to a JSON structure in the same way as XPath expression are used in combination with an XML document. Visual Studio Code includes built-in JavaScript IntelliSense, debugging, formatting, code navigation, refactorings, and many other advanced language features. The index methods on JObject/JArray let you quickly get data by its property name on an object or index in a collection, while M:Newtonsoft. The weather data is available in 3 formats, namely JSON,XML and CSV which can be set while building the query string. The first is more APIs: Json. Let's see different JSON examples using object and array. Flatten JSON to key-value pairs in PDI I've heard a number of comments regarding JSON and PDI, most of them having to do with difficulties parsing nested documents, using JSONPath, etc. It is easy for humans to read and write. It defines a default mapping algorithm for converting existing Java classes to JSON, while enabling developers to customize the mapping process through the use of Java annotations. It directed to URL which is specified in the action attribute of form tag. It is easy for machines to parse and generate. As explored in my last Oracle Magazine article, Oracle Database 12c Release 2 adds several predefined object types to PL/SQL to enable fine-grained programmatic construction and manipulation of in-memory JSON data. JSON is not a document format. TypeScript: Working with JSON Sat, Mar 19, 2016. json-simple example to read JSON from file. How to parse nested JSON object in Java. space Amount of space to use for formatting. I tend to generate a lookup dictionary as soon as I have the data. JsonPath expressions always refer to a JSON structure in the same way as XPath expression are used in combination with an XML document. This blog is about how we can parse Json data to Java Object where keys are dynamic created. *The maximum size limit for file upload is 2 megabytes. in JavaScript it's the most easy, just because JSON is native valid JavaScript syntax, can copy a JSON object into a JavaScript source code and assign to a variable, it just works, even no need. Cryptographic algorithms and identifiers for use with this specification are described in the separate JSON Web Algorithms (JWA) specification and IANA registries defined by that specification. Users){ Browse other questions tagged javascript json or ask your. i18next goes beyond just providing the standard i18n features such as (plurals, context, interpolation, format). Read DZone’s 2019 Machine Learning. The only data type that is somewhat the same in JSON/JavaScript and Bracmat is the string, but there is a slight difference in the representation of strings in code. 0 almost matches Json. When I found myself generating JSON for a stripped-down representation of a number of domain classes, all wrapped with some metadata, I turned to dynamic and things have been going quite well. Although JSON is derived from JavaScript, it is. C#, JAVA, Python)… simply do Drag and Drop in SSIS. Certificates created this way are in PEM (base64-encoded certificates) format and cannot be directly consumed by Java applications, which need certificates to be stored in Java KeyStores. However, it is easy to distinguish between the two versions as 2. In this video I have shown how to Parse nested JSON response array using JAVA. parse, and more. As covered in jSon there are many ways to get jSon data into excel. Parse JSON using Python. Creating dynamic JSON messages used to be trickier. The value of any JSON key can be a string, Boolean, number, null, array, or object. We start first by converting to simple POJO then we’ll also show you how you can do the same for Collections Object. JSON or JavaScript Object Notation is a format for structuring data. Convert JSON to Java Object. The "root member object" in JsonPath is always referred to as $ regardless if it is an object or array. As far as I know, Java does not allow me to dynamically generate a class' member variables at run time, so this method will not work. We believe that these capabilities are key to reducing the friction between the application and the database and are crucial for developer productivity. TypeScript: Working with JSON Sat, Mar 19, 2016. A jq program is a “filter”: it takes an input, and produces an output. Syntactically it resembles the objects and lists of JavaScript. NET Standard 2. If you're new to Azure Functions, start with the following resources: Create your first function: C#, JavaScript, Java, or Python. Coordinate terms: XML, YAML. Let's start with preparing the environment to start our programming with Java for JSON. In this Jackson example we will learn how to convert JSON to Java Map and vice versa (Convert Java Map to JSON) using Jackson API. Before checking up this article, I am assuming you are already familiar with some basics of how. NET Http Client library. text(),i=$("#block-hero. Dynamic Type. The Java API for JSON Processing provides portable APIs to parse, generate, transform, and query JSON. JSON-RPC 2. I want the specific value of 'p' key bold above? Please help me to find. NET C# JAVA SharePoint Sql Server This helper method comes in handy when AJAX calls return JSON array which has to be sorted and dynamically bound to the html DOM for end user display. PHP, JavaScript, and JSON. Encoding URI path parts When specifying a request URI, encode any parts of the path that contain unsafe characters or the slash character. JSONP is a method for sending JSON data without worrying about cross-domain issues. Note: This specification marked 1. We’ll use jQuery and the user’s input to query a JSON. A jq program is a “filter”: it takes an input, and produces an output. I am currently working on an android project that requires me to invoke a web service that will return me a json file. Intuitive operation by "dynamic". Users){ Browse other questions tagged javascript json or ask your. Currently, it is the de-facto standard format for the communication between web services and their clients (browsers, mobile applications, etc. A foundation for ambitious web applications. I have been using GSON library to parse all the json file and get a JSON object. The claims in a JWT are encoded as a JSON object that is digitally signed using JSON Web Signature (JWS). Convert JSON to Java Object. 5 Deserialize. json library. This provides static methods to convert an XML text into a JSONArray or JSONObject, and to covert a JSONArray or JSONObject into an XML text using the JsonML transform. Supports dual configuration: either object-based or via serialized JSON. JSON or JavaScript Object Notation is a format for structuring data. In this tutorial, we will show you how to use Gson to convert Java object to / from JSON. Whether you have to convert JSON to Java Object or otherwise, you need to write a lot of code that is tightly coupled with the JSON structure. To accomplish getting data from JSON or creating JSON text from a custom object we will use JSON serialization and deserialization in C#. You'll see hands-on examples of working with Python's built-in "json" module all the way up to encoding and decoding custom objects. When receiving data from a web server, the data is always a string. As explored in my last Oracle Magazine article, Oracle Database 12c Release 2 adds several predefined object types to PL/SQL to enable fine-grained programmatic construction and manipulation of in-memory JSON data. This project is maintained thanks to your contributions! Please send pull requests. JSONParser parse method returns JSONObject. Format query results as JSON, or export data from SQL Server as JSON, by adding the FOR JSON clause to a SELECT statement. ClassCastException: java. 98MB worth depending on the browser. json in Bedrock Edition) is a file used by the sound system in resource packs which tells the sound system what sound files to play when a sound event is triggered by one or more in-game events. Although JSON is derived from JavaScript, it is. Jackson provides classes that can be used to convert a Java Object to JSON and back. As you might have figured out, once you’ve converted string-based JSON data into a JavaScript object, you then have access to that object in the same way you would any JavaScript object. Devices: You can't put an API key that has full access on a device, because what is on a phone or tablet can easily be stolen. Python to Generate Dynamic Nested JSON String Yes it was my own "freehand" JSON provided as an example to show the key value pairs in a single array as they exist. stringify() method converts a JavaScript object or value to a JSON string, optionally replacing values if a replacer function is specified or optionally including only the specified properties if a replacer array is specified. JSON stands for JavaScript Object Notation, and it is based on a subset of JavaScript. Check out the AJAX Chat Tutorial with XML to see how this would be done using XML instead. Online JSON Formatter and Online JSON Validator also provides tools to convert JSON to XML, JSON to CSV, JSON Editor, JSONLint and JSON Checker. json) library in Java or Android application. How is it possible to get all the keys in the JSON through iteration using GSON or JsonObject. This is achieved using the data option in the initialisation object, passing in an array of data to be used (like all other DataTables handled data, this can be arrays. json object get first key java Please Don't Close This Page Before Help Others For True Answer Without Any Register And Fast And Easy. So in any case I only need to iterate the data once. Parsing JSON Array using JArray. Hi, I had faced one issue like this. In this Javascript video lesson you will learn how to program dynamic select form list elements. It is a lightweight text-based open standard designed for human-readable data interchange. Download Json. This parameter may be ignored, but it may be used to alter the structure of the returned BsonDocument based on some knowledge of the document class. In last post we looked at the Java JSON API and you can easily tell that it’s not convenient to use it. One of the problems with this approach is that the server becomes full of image files that will be never used. ExpandoObject and dynamic objects are really powerful but at the same time it is more prone to risk. keys to obtain the array of the keys which you can use them to access the value by [ ] operator. The Alexa Skills Kit enables you to give Alexa new abilities by building a cloud-based service. Requesting a file from another domain can cause problems, due to cross-domain policy. First, we. In this article, we will learn how to use GSON to Read and Write JSON in Java (parse JSON file to Java objects and vice-versa Java object to JSON). how to change values of nested json object dynamically? If this is your first visit, you may have to register before you can post. The JSON data type provides these advantages over storing JSON-format strings in a string column:. 0 data model, to the XPath 3. JSON (JavaScript Object Notation) is a simple data interchange format. The form in this demo has a “membership_period” text input field that is updated through the use of two JavaScript button elements. Boolean: True or false. JSON objects are written in key/value pairs. The index methods on JObject/JArray let you quickly get data by its property name on an object or index in a collection, while M:Newtonsoft. Create JSON from an Anonymous Type. This blog is about how we can parse Json data to Java Object where keys are dynamic created. This RESTful service resouce uses the @Produces({ MediaType. With JSON, we can use JavaScript's built-in eval() function to create a usable object that we can reference with "dot" notation. So you can use it without any extra installation in Android projects. The JSON keys are converted to private variables with getter setter methods for them. Download JAR file json-rpc-1. stringify() takes a JavaScript object and transforms it into a JSON string. I have a solution for your question, [code]myObj1 = { "name":"John", "age":"45", "car":null, "friends":['anto', 'rex', 'selva'. The component provides a high-performance navigation system with dynamic data rendering, keyboard shortcuts, and inline editing. Hi! Let's see how to add and remove key value pairs from json data using javascript. APPLICATION_JSON }) and we have already added the dependent JAR files via Maven to generate JSON. In this particular example I got from d3noob. RFC 7517 JSON Web Key (JWK) May 2015 3. JSLint, The JavaScript Code Quality Tool. ClassCastException: java. i'm grabbing the json data like below and creating the drop down. Each object can have different data such as text, number, boolean etc. Only string, numbers, arrays. simple package contains important classes for JSON API. (as Json) using provided key-value pairs as names and values of its properties. To access each key-value pair of your object, you can use Object. NET from CodePlex or install using NuGet. When opening a file that ends with. Jackson provides classes that can be used to convert a Java Object to JSON and back. The basic part of the JSON is JsonElement. JSON is a very popular, lightweight data encoding, derived from JavaScript objects. For each of the methods with no parameters and a name starting with "get" or "is" followed by an uppercase letter, the method is invoked, and a key and the value returned from the getter method are put into the new JSONObject. I was think about parsing the JSON till the "list" value and extracting the "item_id" and pass that value to the POJO since most of it is static or most of what I need. Convert JSON Data Dynamically to HTML Table. This sample loads JSON and then queries values from it using C# dynamic functionality. Keys and values are separated by a colon. In a way JSON is similar to XML files but instead of storing document structure using XML tags, JSON uses name:value pairs for this purpose. But It is quite difficult to implement it with pure JavaScript, HTML and CSS. In the examples above we always used bytes and strings as intermediates between the data and JSON representation on standard out. when to prefer one over the other YAML. Mocha tests run serially, allowing for flexible and accurate reporting, while mapping uncaught exceptions to the correct test cases. Use the PL/SQL JSON_ARRAY_T object type to construct and manipulate in-memory JSON arrays. The showObject method here is not really useful in itself, as we could use JSON. May/June 2018. September 26, 2015, 10:09 pm Author: James Griffiths Working with JSON provides front-end developers with many advantages over other data formats, least of which is the fact that it's a subset of the JavaScript language itself. JSON data binding is not only about reading JSON into Java objects. Digital Signature with ECDSA The Elliptic Curve Digital Signature Algorithm (ECDSA) [] provides for the use of Elliptic Curve Cryptography, which is able to provide equivalent security to RSA cryptography but using shorter key sizes and with greater processing speed for many operations. As it expects the JSON object passed to it written as key value pair. JSON is text, and works with standard CLI tools. Responsive & integrates easily with Bootstrap & other JS Frameworks. Here, in this article I'll show you how to convert JSON data to an HTML table dynamically using JavaScript. In this short tutorial, we'll see multiple ways of. 0 and dynamic to parse JSON This helps cleanup the string-based programming mess that is a characteristic of late-bound code. JSON-B is a standard binding layer for converting Java objects to/from JSON messages. It is based on a subset of the JavaScript Programming Language Standard ECMA-262 3rd Edition - December 1999. JSON Utils is a site for generating C#, VB. JSON stands for JavaScript Object Notation, and it is based on a subset of JavaScript. It has been working well until I come across this json data which the key fields are dynamic. Use the PL/SQL JSON_ARRAY_T object type to construct and manipulate in-memory JSON arrays. It will either use a custom key if defined, or resolve a numeric key based on the array index. i18next goes beyond just providing the standard i18n features such as (plurals, context, interpolation, format). The most beautiful and customizable JSON/JSONP highlighter that your eyes have ever seen. This specification also defines a JWK Set JSON data structure that represents a set of JWKs. Stefan Goessner. NET Standard 2. json implementation has already been included in Android SDK. On the project we did a lot of coding with Javascript and the main function was jQuery’s Ajax. The following example JWK declares that the key is an Elliptic Curve [] key, it is used with the P-256 Elliptic Curve, and its x and y coordinates are the base64url-encoded values shown. Python to Generate Dynamic Nested JSON String Yes it was my own "freehand" JSON provided as an example to show the key value pairs in a single array as they exist. The Java API for JSON Processing (JSON-P) enables Java EE applications to parse, transform, and query JSON data using the object model or the streaming model. " JSON is a text-based data interchange format designed for transmitting structured data. We needed a new set of JSON APIs that are highly tuned for performance by using Span and can process UTF-8 directly without having to transcode to UTF-16 string instances. Parsing JSON using JavaScript by reading Key Value pairs Friday, 24 October 2014 | Posted by Unknown In this article I am going to explain how to read JSON with JavaScript. DeserializeObject(json); Now I get json Array when I fetch the value using keys like:-var secjson = mainjson["feelingLucky"]; now. NET Core, where throughput is a key requirement. Encoding URI path parts When specifying a request URI, encode any parts of the path that contain unsafe characters or the slash character. Your JSON input should contain an array of objects consistings of name/value pairs. Sometimes you have to parse a JSON string (text) to get a real JavaScript object. In this example I will show you how to do Ajax with jQuery and how to process multidimensional JSON data table coming in through Ajax. Fetching JSON weather data using JavaScript. JSONObject and JSONArray are the two common classes usually available in most of the JSON processing libraries. Format query results as JSON, or export data from SQL Server as JSON, by adding the FOR JSON clause to a SELECT statement. data option is used to specify the property name for the row's data source object that should be used for a columns' data. JSON: A text-based open standard that is designed for transmitting structured data. In each of the examples below I have tried to show you most of the different aspects of using json, i. JSON Validator. creating json messages from scratch, outputting json, parsing json and querying json objects. " To learn more about JSON in general terms, read the "An Introduction to JSON. For each of the methods with no parameters and a name starting with "get" or "is" followed by an uppercase letter, the method is invoked, and a key and the value returned from the getter method are put into the new JSONObject. JSON Web Encryption (JWE) represents encrypted content using JSON- based data structures. json) library in Java or Android application. … JSON is a text format that is completely language independent but uses conventions that are familiar to programmers of the C-family of languages, including C, C++, C#, Java, JavaScript, Perl, Python, and many others. jquery dynamic html,build html table using jquery,jquery table example,jquery create table dynamically,create table with jquery,jquery create table from array. OrientDB natively supports HTTP, RESTful protocol, and JSON additional libraries or components. This JSON library solves the problem by using Java null for the common case of an undeclared JSON key, and a special "magic" instance of String (Data. json) library in Java or Android application. In this particular example I got from d3noob. APPLICATION_JSON }) and we have already added the dependent JAR files via Maven to generate JSON. Status of This Memo This is an Internet Standards Track document. Getting multiple keys' values from nested object in JSON (w/out jQuery) (var key in myObj. Example of how to parse JSON using JSON-Java (org. eslintrc`), Prettier (`. Create nested JSON object; Creating a simple JSON object; Handling dynamic key for JSON response; Parse simple JSON object. In order to. It then extracts the first key or property name of that JSON hash. org, there is a json file with objects that have 2 keys (date and close). As far as I know, Java does not allow me to dynamically generate a class' member variables at run time, so this method will not work. JSON can represent two structured. JSON payload: The JSON-formatted body for a REST API's POST or PUT request. JSON Utils is a site for generating C#, VB. It is schema-less and fragile. A common use of JSON is to read data from a web server, and display the data in a web page. Het wordt hoofdzakelijk gebruikt voor uitwisseling van data tussen server en webapplicatie, als een alternatief voor XML. The JSON server module provides the json_load() function that simplifies the inclusion of the json_server. JSON Editor Online - Documentation Introduction. " JSON is a text-based data interchange format designed for transmitting structured data. How To Return Data From JavaScript Promise; How To Push JSON Object Into An Array Using JavaScript; How To Create JSON Array Dynamically Using JavaScript; JavaScript Array Reduce Method; How To Read And Display JSON using Python; How To Extract Data From JavaScript Object Using ES6; How to Reverse a Number In JavaScript; How To Merge Two. csv file is a formatted way ? After parse the json object , I write it to a text file using streamwriter. JSON of JavaScript Object Notation, is een gestandaardiseerd gegevensformaat. Dynamic google map markers via jSon Posted on Jun 27, 2011 by sofasurfer | Tags: Google Maps API V3 , jQuery , jSon , PHP Simple example on how to add dynamic marker to google maps including geo location lookup and store them in a jSon file. JSON array can store string, number, boolean, object or other array inside JSON array. keys to obtain the array of the keys which you can use them to access the value by [ ] operator. Writers like os. Please see the sample code below:. 2010-01-20 bSpace Site This introductory lecture covers organizational issues of the Mobile Application Design and Development course. Once you have received your API key, proceed further. stringify还可以接受第三个参数,用于增加返回的 JSON 字符串的可读性。如果是数字,表示每个属性前面添加的空格(最多不超过10个);如果是字符串(不超过10个字符),则该字符串会添加在每行前面。. Arrays in JSON are almost the same as arrays in JavaScript. Since JSON will be in the form of Key Value pairs it can be easily converted to Java map.