JsonPath
specter
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JsonPath | specter | |
---|---|---|
10 | 17 | |
8,634 | 2,479 | |
1.4% | 0.2% | |
6.4 | 0.0 | |
26 days ago | about 1 year ago | |
Java | Clojure | |
Apache License 2.0 | Apache License 2.0 |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
JsonPath
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Refactoring Toward Configurability
For this example, we will use JSON files to encode the application's behavior and query it using JSONPath.
- Ask HN: What is something you built but never marketed?
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Running Jenkins on PR in Azure DevOps
As shown above in order to access the root element of a JSON payload we can create variable (data) and assign the $ (using Json Path convention) in the expression tab.
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what's the best way to search all child objects in java?
You certainly could implement a recursive traversal, as /u/raevnos suggested, but it might be easier to use something like JsonPath to do it for you.
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Query with jsonpath
If you work with REST interfaces for any amount of time, you'll run into "json path". You can extract and manipulate the json received with an API call.
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How would experienced devs handle checking JSON objects for specific property condition?
Look into JSONPath and its one Java implementation.
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Like JQ, but for HTML
is anyone else using the https://github.com/json-path/JsonPath over the jq route?
I hope we standardize on some jq query language, like we have with a base set of SQL syntax
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Which JSON parsers do not require me to duplicate the document model?
I use JsonPath for this. This fits my use case of picking apart JSON responses from APIs in Cucumber tests, which is based on textual descriptions and I'm not using Java classes for the mapping.
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Serverless Complex Event Processing with Apache Flink
flatMap — A Map function (can be of Rich type if need be) that extracts data from the input event which is a stringified JSON object. Of the three flapMaps, two of them extract & parse the relevant data into a defined model (the data modelling is based on POJO — plain old java object classes.) using JsonPath, the third flapMap is a RichCoFlatMapFunction that determines after correlating events from the two sources whether it should be forwarded to the sink or not.
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Traversing nested data-structures in various languages
JSONPath confers pretty much the same concept onto JSON too with much the same syntax. There are JPath implementations for most languages now.
> https://github.com/json-path/JsonPath
specter
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Why your F# evangelism isn't working
If you are truly interested in understanding my point of view -- a great way to do it would be to learn how to use this Clojure DSL: https://github.com/redplanetlabs/specter
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Digging into deeply nested sequence in Clojure
For deeply nested data, use specter https://github.com/redplanetlabs/specter
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Advent of Code inside the REPL
Yes :), I needed a fast dijkstra implementation to solve a puzzle in 2021. A pure clojure implementation was too slow so i built one on top of this https://github.com/redplanetlabs/specter
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Lisp feature - domain specific language
https://github.com/redplanetlabs/specter (very powerful way to express modifications to nested data)
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Working with large maps
Don't forget about specter which is efficient and compact due to its DSL.
- How to modify a nested element of a list
- Making a small change to a big data structure in Clojure
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Nested mapping?
Learn and use specter for nested data manipulation, will take some studying but is a more general solution (https://github.com/redplanetlabs/specter)
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-🎄- 2021 Day 16 Solutions -🎄-
For part 1, the version (and other things) are attached to the metadata of each sexp, and a Specter recursive path is used to extract all of the versions.
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Clojure 1.11.0-alpha2 is now available
https://github.com/redplanetlabs/specter helps as well
What are some alternatives?
Jolt - JSON to JSON transformation library written in Java.
meander - Tools for transparent data transformation
fastjson - FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.
malli - High-performance data-driven data specification library for Clojure/Script.
JsonSurfer - A streaming JsonPath processor in Java
clojure-graph-resources - A curated list of Clojure resources for dealing with graph-like data.
JSLT - JSON query and transformation language
crux - General purpose bitemporal database for SQL, Datalog & graph queries. Backed by @juxt [Moved to: https://github.com/xtdb/xtdb]
sawmill - Sawmill is a JSON transformation Java library
schema - Clojure(Script) library for declarative data description and validation
jsoup - jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.
fulcro - A library for development of single-page full-stack web applications in clj/cljs