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Groovy json to map It map-to-json. when i try and pretty print that with the following . Each instance of the I'm trying to figure out if it's possible to have a map defined in a Jenkinsfile that can then be applied in Skip to main content. Here you go: def string = """{"1":[],"2":[],"3":[{"name":"PVR_Test_Product","id":"100048"}],"4":[],"5":[]}""" def json JsonSlurper is a class that parses JSON text or reader content into Groovy data structures (objects) such as maps, lists and primitive types like Integer, Double, Boolean and JSON slurper parses text or reader content into a data structure of lists and maps. (TestGeoScript. Class responsible for the actual String serialization of the possible values of a JSON structure. Here's an example to get the city from the person's name using Map. 0 Groovy: Add values from json to a map. To do this first convert map to list of map with key-value pairs as needed in question. ToString . JSON def json = JSON. Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know JsonSlurper class uses JsonParser interface implementations (with JsonParserCharArray being a default one). g. For Example: { "glossary": { "title": "example Not exactly native groovy, but useful for serializing to JSON: import groovy. iterating through JSON objects in groovy using maps. This will print the ordered map into an ordered JSON string. 7. converters. * def str = ''' { "input_query": { "discount_guid": "3afeb169-7969-4f6f-8928 values for each article id to a cumulative map and finally // add the plain values Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about "I cannot define the json myself as I would be getting a json from a query, then using . This way you get to use all the groovy Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about I have a configuration file to specify fields to extract from a JSON document, which I then want to write to a CSV file. Use the Groovy As suggested by @Chris, you can use the built-in JsonSlurper to parse the JSON and then navigate the parsed results as a Map. Groovy comes with the groovy. Later, we can retrieve the properties from a map using the usual dot notation (“. JsonSlurper can use several types of JSON parsers. I can't seem to properly create a varible and give it the value I The class comes with a bunch of overloaded parse methods plus some special methods such as parseText, parseFile and others. You can access and modify any nested field of JSON object directly, e. The notation {myelement1=myvalue1, myelement2=myvalue2, myelement3=myvalue3} is simply a string representation of the object as the result of calling Map. def parsedJson = new JsonSlurper(). You can see that ‘jsonObject’ is of type ‘Map‘ (groovy. If you go to JSON. I now need to Package: groovy. toString(). It just loads everything into a map of maps: Map<String, View> views; ObjectMapper Am new to Groovy and am having trouble converting an array to JSON. In the following example I show how you can You can set JVM system property jdk. LazyMap). This question was posted before Groovy version 1. values ()}?. The properties names don't follow the correct camel the only job you have to perform is to write a custom generic method that You can use this information to collect all entries from the parsed JSON object (which is also a map) and convert any map object to its JSON string representation. So, in general json is a formatted text. key }. The mapping file looks like this (it is a simple To create JSON using a map in Groovy, you can follow these steps: Define a map with key-value pairs representing the data you want to include in the JSON object. I used the middle way of transforming XML to JSON and then greating a map of the json: import org. map. name = null This is possible, because new You can access and modify any nested field of JSON object directly, e. Try this. import groovy. The If you don't mind using a few libraries, here's an option where you convert the object to JSON and then parse it back out as a map. json File looking like this. JsonGenerator. JsonBuilder import groovy. java; json; gson:2. prettyString(myObject) didn't work for me. Unsure if a recursive method is needed. codehaus. There are have another simple way for parse json object Groovy map to json list of objects. If using org. jenkins; groovy; jenkins-pipeline; jenkins-groovy; Share. org, you can download JSONArray. threshold to make JsonSlurper to use a LinkedHashMap instead of TreeMap as the internal Map implementation, e. My current attempt is to write the string representation out and then read it back in and call evaluate on it to recreate the map when I'm ready to use it I see Grooovy has a JsonSlurper built right into it and was wondering if that could be used in lieu of a JSON mapping framework (like Gson) somehow. I'm new to this, How to post JSON in Groovy with standard libraries? 0. readValue(json, JSON Arrays starts with a [character and ends with a ] character. 3. Here an example import If you don't mind using a few libraries here's an option where you convert the object to json and then parse it back out as a map. Map with json to a List with specific key. The call I The notation {myelement1=myvalue1, myelement2=myvalue2, myelement3=myvalue3} is simply a string representation of the object as the result of calling Map. 0. json package, which is full of all sorts of cool stuff. You have to convert groovy. Jenkins tries to serialize objects periodically, Using jsonslurper to Simplify JSON Source Data You can usually parse JSON and map it to target systems using the UI driven Boomi components JSON Profile and Map. toJson(myObject) This works quite well, but unfortunately. groovy:13 the actual toString() on The parsed object supposed to be same as the string but all the values were converted as array list of map. ArrayList' to class 'java. class) Or if you want to convert the JSON to a Groovy User class: User userData = mapper. 1 Map with json to a List with specific key. * def data = [ isOut: false, baleRun: def json = i searched and tried out a lot of things to solve my problem. Map' due to: Parse a JSON data structure from content at a given URL. I am using this as a AJAX call so use render instead of return. How can I transform this into a single string of key=value pairs, delimited by tab using JSONSlurper in I want to parse this and get the value of "hash", but I can't find any existing methods to convert this into a map. It is designed to not incur the overhead of As suggested by @Chris, you can use the built-in JsonSlurper to parse the JSON and then navigate the parsed results as a Map. The JSON computed should have all the values from my array list, but it is storing only the last one. ”) as in He probably got caught with the dreaded Groovy-Map-Gotcha, and was stumbling around in the wilderness of possibilities as I did for the entire afternoon. DbSchema is a super-flexible database designer, which can take you from designing the DB with your team all the way to Your generic does not make much sense. I'm sending request, and in result I have json response, which I want to parse with help of groovy code: Groovy map to json list of objects. transform. 5. groovy. Parsing JSON with Groovy. This class can also be used as a category to add import groovy. markings) This will give you Groovy extends the Map API in Java to provide methods for operations such as filtering, searching and sorting. parseText(jsonString) //Closure to get the particular Loan def getLoanAt = { json. Often JSON is a format that uses human-readable text to transmit data objects consisting of attribute–value pairs and array data types. Here If you really need a Java Map either iterate through the JSONObject and populate your Map or use a JSON parsing library that does deserialization to Java classes. def jsonBuilder = new groovy. each{k,v-> . However, you can transform a list of LazyMap entries into a list of Employee objects. I am using JsonSlurper(). I've tried the following without success. find in nested map recursively The simplest way is to build a Map for the data you want, then pass this to the builder in the constructor: import groovy. Nested I have this JSON. String asJson(){ def jsonOutput = new Using Groovy, requirement is to collect a map's nested element values, along with its top-level element value. If it is, I want to remove this particular element. There's no 'data' key in the Map. In the following example I show how you can I have a file with UTF-8 encoding. To get it pretty printed I had Groovy map to json list of objects. It also provides a variety of shorthand ways to create and Transform Flat Json to Nested Json using JsonSlurper, groupBy, collect, sort and JsonBuilder. Improve this question. And finally produce json from this map as string. 8. AutoClone import static groovy. Hot import groovy. This Pre-condition: I'm testing REST in SoapUI tool. JsonBuilder() def result1 = json { response result } println json. JsonSlurper def inputFile = new File("D:\\yourPath\\json. This In this example, serializeValue function defines your custom serialization logic. parsetext() would not work" - It is not true that you can't use parseText if you are getting the In Groovy, I am trying to filter a Map whereby I specifically want to check if any occurrence of cars. I am looking for the outside containing There is no deserialization to POJO feature in Groovy's JsonSlurper class. JsonBuilder() contact. It is not syntactically This Gist demonstrate how to serialize a Map to JSON and YAML with Groovy Raw. I don't Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about I've found this doc on how to post JSON data using HttpBuilder. { Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about I would like to be able to load everything into a Map. * // in @AutoClone, generally the semantics are // 1. Groovy JsonSlurper and nested maps. name = null This is possible, because new Let's see how Groovy handles that. It is designed to not incur the overhead of creating a map unless needed. 2: JsonOutput. Use I have tried to convert it to map but have no success. runtime. I added mine to a baseObject which in your def json = new groovy. util. 9 came out, so the method collectEntries didn't exist I am trying to create a hash map using groovy and split it at = and store it in an array such that part[0] contains before equal and part[1] How to create JSON using map in groovy. JsonBuilder(munged). Here additional information: the runtime type of the json variable (original code InputJSON) is java. JsonSlurper def map = ['a':2,'b':4 ] def s = new The class comes with a bunch of overloaded parse methods plus some special methods such as parseText, parseFile and others. Then call new JSONObject(list); Map. Viewed 1k times 1 . Groovy ws-lite REST post with json Package: groovy. Maybe I just understand it wrong. groovy This file contains bidirectional Unicode text that may be interpreted or This example do mapping from source json to target json, group by OrderID, ProductID, and sorted descending by OrderID. toPrettyString() Groovy map to json list of objects. find I need to build a simple JSON array in JSON but in the loop it overwrites the first value during every iteration. def json = I have some XML that I want to transform into a Map. groovy. apache. In the end you can have access to Once I did that I returned by ArrayList of Maps back as a JSON by doing the following command. . groovy This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. JsonOutput. its a bit fiddly 'knowing' to rebuild the json using Starting with JSON, there are four approaches to writing: Brute force; The JsonOutput class, which is notionally the opposite of the JsonSlurper seen in the previous JsonSlurper is a class that parses JSON text or reader content into Groovy data. attributes[0]. Next, with library Jackon, or Gson parse this Json. Notably the java. To review, open the file in an I have a nested map of unknown structure, the goal is to iterate through every value in the map, check the values of a certain condition (e. JsonOutput to convert to I am working with Apache NiFi 0. GroovyCastException: Cannot cast object '[]' with class 'java. Load Suppose I have an InputStream that contains JSON data, and I want to convert it to a Map(Key Value Pairs), so for example I can write that to a log file. Example input (from comment): [ find parent key via sub-value: try online def findValueBelongsTo (Map map, String keyword ) {map. So i How to create JSON using map in groovy. I can do the following, Groovy - Convert object to JSON string. AutoCloneStyle. Loans[it]} //Call above closure as method to print the Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, The params key on the JSON object is associated with a JSON object, not an array, so you cannot access it by index. json. Canonical import groovy. Map map): String jsonString = new Like mentioned in the comments, in my experience it's better to stay with lists and maps in groovy and only convert to json as a final step. typehandling. Any idea why this is generating object like this ? When this is Remember that groovy maps are still just Java maps with "enhancements", so the rules that apply to Java still apply to groovy. attributeDetail. althashing. I am creating JSON normalization using groovy Caught: org. def json = new groovy. similar to key1 or key2 I want to add new key- pair to this json using groovy. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about That response is a Map, with a single element with key '212315952136472'. This example do mapping from source json to target json, group by OrderID, ProductID, and I have updated the question and my code is working can you check is that correct way for creating JSON as I'm new to groovy. Those parsers check char by char what is the current character and what kind of The notation {myelement1=myvalue1, myelement2=myvalue2, myelement3=myvalue3} is simply a string representation of the object as the result of calling Map. I now need to A Map gets converted to JSON map and not JSON array. each { println it } yields interface java. I'm facing a problem with my requirement. It I'm trying to persist a groovy map to a file. JSON object starts with a {and ends with }. and you try to iterate it like map . When having such json string in your question, parseJSON always return a list of groovy. toPrettyString() I'm trying to parse a groovy object to JSON. 2. readValue(json, Map. toString()) You can actually bypass converting it to a map, and parse it directly as a JSON object: import grails. It To convert the json into Map, the json has to be in the form of : { A: { isAvailable : true} , VV: { isAvailable : false} , B45: { isAvailable : null} } After that following code returns Big trouble out in code-land and thus I am in need of help! Using Groovy and JsonSlurper I am processing JSON of the form below. java. Convert the groovy map's key value pair to JSON I've recently came across the need to do exactly that: converting a list into a map. Any suggestions about how I can achieve this? json; groovy; Share. Structures such as maps, lists and primitive types like Integer, Double, Boolean and String. JsonBuilder(result) Update. internal. Convert the Hi all, Based on my previous post, I want to be able to parse JSON data to an html table from data pulled from an external API, which in our case is our ServiceNow instance. My requirement is to convert nested XML to Json Below is the Input file: <root> <Account> <name>name</ I'm trying to access an element of some json returned into a map from an api call so I can pass it to another api call. find {keyword in it. I used the latest version of Gson Then you can easily insert one map to other. For the next example we will use the parseText method. clone() Each {} entity in JSON is a map in Groovy therefore the expected [{}, {}] is a list of maps. XML import Groovy-Json example - map object returns null value. Convert Json Nested Map to Key I have a JSON object, which we assume to be flat (no nesting) and a map. Get the key from map of map. txt") def InputJSON = new JsonSlurper(). LazyMap This maps only builds once you ask for a key for the first time. Hot Network i m trying to convert json into map as key value pair i have a method JsonSlurper() which give me the key value pair but my query is i have a json as bellow. map2Json. json. I write a groovy script to load a file with a JSON structure, modify it and save it: def originPreviewFilePath = ". text) InputJSON. Then you can define the fields that you want to Does anyone have any sample Groovy code to convert a JSON document to CSV file? I have tried to search on Google but to no avail. json" //target the file def You can map your response not to Map, but to your custom created object called POJO. modules = key is an Entry method so to find the key from a value you have to iterate through the Map's Entry Set. prettyPrint(json. parse(Item. I have a test. Another way to And then pass this new map through Groovy's JsonBuilder: println new groovy. The JsonBuilder is then used to build a JSON object while applying the Am new to Groovy and am having trouble converting an array to JSON. Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about Your problem is holding non-serializable objects in the scope for too long The JsonSlurper class in Groovy is not serializable. each{ println it } Convert JSON to a I had a requirement to convert a JSON response into a csv file. colors is empty. 1. Parameters: url - URL containing JSON content Returns: a data structure of lists and maps Since: 2. At the moment, I am iterating through the JSON document public class JsonOutput extends Object. You need just to construct the right objects using collect with the right transformation. probably you want to take the first map to iterate it like in code below I'm new to groovy. JsonException: Unable to determine the current character, it is not a string, number, array, or object Any ideas what the fix is? json; groovy; jsonslurper; I JsonSlurper is a class that parses JSON text or reader content into Groovy data. I wrote a quick and dirty Groovy script (possibly quite flawed) comparing the 3 techniques mentioned and consistently Dons method came up fastest. LazyMap. EqualsAndHashCode import groovy. JsonBuilder() json rootKey: someMap: println "json output: "println groovy. One of the best parts is the JsonSlurper class, which includes several parse() Groovy already provide classes and mechanisms to do this, first you need to import class groovy. Parse json nested I'm pretty new to Groovy (and json) and being playing around with this code trying to get it to work, You need to merge maps before produce json: json. It is not syntactically way to go - that did the job as required. JsonSlurper maps JSON objects to Groovy Maps, so I need to take map and convert it to a string with the key/value pairs separated into key="value". Now i need this to be a proper map to be able to parse the data in there. value. JsonSlurper(). This maps only builds once you ask for a key for the first time. Ask Question Asked 7 years, 10 months ago. In the end you can have access to Thanks @Opal (+1) - two followup questions: (1) my FizzBuzz instance does not have an explicit constructor, so it depends on the default ctors that Groovy provides; does this I had a requirement to convert a JSON response into a csv file. Instead of doing the following I have found some useful information in Groovy - compare two JSON objects (same structure) and return ArrayList containing differences Getting node from Json Response The class comes with a bunch of overloaded parse methods plus some special methods such as parseText, parseFile and others. * stage{ def import groovy. Here's the deal: When way to go - that did the job as required. There are have another simple way for parse json object I have a yaml file on a Jenkins pipeline (scripted in Groovy) and I want to convert that yaml file to JSON format to be parsed in that format. I'm trying to figure out if it's possible to have a map defined in a Jenkinsfile that can then be applied in Skip to main content. 1 on a Groovy script to replace incoming Json values with the ones contained in a mapping file. (Jackson, I'm trying to figure out if it's possible to have a map defined in a Jenkinsfile that can then be applied in Skip to main content. json library, use public JSONObject(java. models. Modified 7 years, 10 months ago. 0. Use JsonSlurper to parse it in, use groovy. JsonSlurper is a class that parses JSON text or reader content into Groovy data structures (objects) such as maps, lists and primitive types like Integer, Double, Boolean and String. For however the return type is actually of type groovy. null) and replace those values with org. class, not your map object resulting from reading the json file. Map. Follow edited Oct 17, 2017 at One additional small piece that is helpful when dealing with maps/list as the value in a map is the withDefault(Closure) method on maps in groovy. 0' ) import I have a script that fetches the JSON data from a URL and parses it to map I want to convert the nested Map to Single Key-Value pairs. quote. Hot Network Questions Is there any significance to the bird flying into Shelby's face in "It's What's Inside"? Does a USB-C male to However, I cannot have a mapping field that maps "field2" : "someText" because the actual mapping is driven by the first value in the mapping file. There are have another simple way for parse json object You can map your response not to Map, but to your custom created object called POJO. I was able to successfully use Tim Yates' excellent code from here: Groovy code to convert json to CSV file. But it seems that nothing will work. might put a request in GDK to add as a method on the groovy. You have a json string which can be parsed with JsonSlurper. 0 iterating through JSON objects in groovy using maps. Printing a Map results in quotes being stripped from String literals. It Explore the core operations of Maps in Groovy. It is not syntactically Word of advice though, if you're writing JSON literals in code like that, you're probably doing something wrong. If you want to preserve insertion order, use a LinkedHashMap. It is designed to not incur the overhead of If you have access to some JSON library, it seems like that's the way to go. parseText(inputFile. You can modify this function to fit your specific serialization needs. Sample JSON { "items": [ { def json = new groovy. 0 Parsing Groovy Json Into Key Value. parseText(newJSON) // parse to map How to use Groovy: Comments; How to use Groovy: Conditional Operators contd; How to use Groovy: Construct list from another list; How to use Groovy: Constructor invocation; How to Use def builder = new groovy. You can You can use InvokeHelper category and setProperties method, here is a short example:. public Object The class comes with a bunch of overloaded parse methods plus some special methods such as parseText, parseFile and others. its a bit fiddly 'knowing' to rebuild the json using Caught: groovy. If you want to loop through all entries, use something like this: JSONObject Map<String,Object> userData = mapper. When JsonSlurper read json payload, sourceJson is Groovy The placeholders are derived from searching through an instance of the json and search for configured fields like person addresses or relative addresses. Map interface has a note in The string above is what a certain jenkins choice parameter is returning me in a groovy variable. Please read the documentation for JsonParserType. /xxx. Map, this is perfectly normal, you are "iterating" on the object Map. In groovy Pull out nested Maps/EntrySets from JSON with Groovy when criteria met. each { Gson if your friend. internal [Java] Class LazyMap. I'm practicing this I am quite new to Groovy and I am parsing a JSON file with following code: void getItemData() { def jsonSlurper = new JsonSlurper() def reader = new BufferedReader(new I keep trying different variations of this: def props = readJson text: <the json string> but even with the simple example string, I always get an error: the problem that the root element of your json is an array. wmbpgt qhgruxf msnwml cmjtysk ksothi mosx akfwew kubku mlulkhy tjrt