JsonPath
nested-data-structure-traversal
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JsonPath | nested-data-structure-traversal | |
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10 | 15 | |
8,634 | 567 | |
1.4% | - | |
6.4 | 8.8 | |
27 days ago | about 3 years ago | |
Java | Elixir | |
Apache License 2.0 | - |
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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
nested-data-structure-traversal
- Part 3 of pair programming a Perl web app
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Traversing nested data-structures in various languages
Oh boy, some of the recent additions are looking tragic. Completely ignoring "reset_lesson_position", to code-golf their own simplified ideal of the problem? Eg. (at time of my comment) https://github.com/josevalim/nested-data-structure-traversal/blob/master/rust/for_in_anonymous_tuples.rs
Amusingly, I think I will lose this if I don't link it here. https://github.com/josevalim/nested-data-structure-traversal... is my attempt at getting a LOOP solution in.
As noted in the message, I originally did this in elisp, which felt a bit more natural, for some reason.
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Hacker News top posts: Apr 12, 2021
Traversing nested data-structures in various languages\ (32 comments)
- Crowd-sourced solutions to traverse a nested data structure in various languages
- Traversing Nested Data-Structures
What are some alternatives?
Jolt - JSON to JSON transformation library written in Java.
specter - Clojure(Script)'s missing piece
fastjson - FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.
nft_ptr - C++ `std::unique_ptr` that represents each object as an NFT on the Ethereum blockchain
JsonSurfer - A streaming JsonPath processor in Java
proxmox-pci-switcher - Switch among Guest VMs organized by Resource Pool
JSLT - JSON query and transformation language
virt-v2v - Virt-v2v converts guests from foreign hypervisors to run on KVM
sawmill - Sawmill is a JSON transformation Java library
Main_MiSTer - Main MiSTer binary and Wiki
jsoup - jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.
yq - Command-line YAML, XML, TOML processor - jq wrapper for YAML/XML/TOML documents