JSON-path | Find the path of a key / value in a JSON hierarchy | JSON Processing library
kandi X-RAY | JSON-path Summary
kandi X-RAY | JSON-path Summary
Find the path of a key / value in a JSON hierarchy easily.
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- Clean up build files
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- Reads the contents of a file
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- Read a JSON file
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JSON-path Examples and Code Snippets
Community Discussions
Trending Discussions on JSON-path
QUESTION
I have a JSON document from which I have figured a way of parsing and extracting the values within it using the library of JSON-Path
I have to evaluate rules/expressions using the variables in the parsed JSON.
For example:
{maxAge:25, minAge:20, age:25}
- rule1 : $.maxAge-$.minAge>100 then send alert
- rule2 : $.age<18 then send alert
What libraries are available in Java for the same ?
...ANSWER
Answered 2021-May-25 at 13:47Json Path will only let you parse the JSON file and read the variables within it. You have to use a separate Java library for evaluating the expressions. Take a look at a this post which discuss the same.
Another useful post that I found on purely mathematical expression evaluation is this one.
It would be helpful if you can identify all the operators that will be part of the expression. For ex, Arithmetic Operators ( +, -, /, *. ), Equality and Relational Operators ( =, !=, <, > )
QUESTION
I am puzzled to solve this com.fasterxml.jackson.dataformat.xml.XmlMapper error with Java 11. I want to use XmlMapper only from jackson dependency and that's why excluded from springboot starter web , still cannot figure how to resolve it's dependency. providing as much details as possible -
build.gradle
...ANSWER
Answered 2021-May-22 at 21:00Do you explicitly need version 2.12.2 of jackson-dataformat-xml?
Problem
jackson-dataformat-xml:2.12.2 is not compatible with jackson dependencies 2.11.4. Spring Boot overwrites Jackson dependencies that are not specified other way in dependencies block or in dependencyManagement.
Solution
If you don't need 2.12.2 then just define the jackson-dataformat-xml as following:
QUESTION
We have an existing application which is working fine with the SpringBoot 2.2.2.RELEASE. Now we tried to upgrade it to the SpringBoot 2.4.2 version and application is not getting started and throws the following error. In the classpath I could see only one spring-webmvc-5.3.2.jar file.
Below is the pom.xml for the referance:
...ANSWER
Answered 2021-Jan-29 at 14:01QUESTION
I'm looking to get list of all possible json paths in a json file - can recommend any one?
Eg : if input is below
...ANSWER
Answered 2021-May-02 at 01:50You can do this in a reasonably succinct way with a recursive generator. The string "obj"
is a little awkward since it doesn't occur in the data structure. On the other hand, adding it at the end is simple:
QUESTION
I have a JSONB column, data, in the orders table:
...ANSWER
Answered 2021-May-01 at 05:45You can extract all codes into an array, then apply the ?|
operator on that array:
QUESTION
I would like to access the responseBytes of a reusable feature and compare it to a local file. I have two feature files in this example. The file general.feature should call loadPicture.feature and access its responseBytes. My idea was that I could do the following:
...ANSWER
Answered 2021-Apr-26 at 12:46Yes the responseBytes
is special and internally we don't pass it around as an optimization. As you can imagine this can bloat memory very quickly.
You are welcome to contribute code to improve this or update the documentation.
QUESTION
Before anyone mark this as a duplicate, I referenced this stackoverflow question before posting here, I tried all solutions in that thread but still it is not working for me. I am migrating a legacy java project into spring boot application. When I start the server I am getting this stacktrace,
...ANSWER
Answered 2021-Apr-08 at 15:49This might have to do with you not using Generics
with your java Collections
QUESTION
I am attempting to use hibernate validators with SpringBoot and Tomcat and yet continue to get this error
...ANSWER
Answered 2021-Apr-14 at 17:23The issue appears to have been the spring-boot-email-core
QUESTION
I'm rewriting my MQTT based dashboard from Vue 2 to Vue 3 currently, and can't solve one problem.
The dashboard has many Vue components, which reacts to specific MQTT topics and values, to display current system state. One of them is the mqtt-multi-state
component which is declared like below:
ANSWER
Answered 2021-Apr-13 at 20:35Well, many evenings later I came to this solution. Instead of putting all the different states into a default slot, I've created dynamic named slots.
The different state elements (font-awesome icons in this case) go to each slot's template element. Unfortunately I can't pass the mqtt value to the template element itself, because it does not exists inside mqtt-multi-state
parent component. Instead, I've passed the mqtt value into the template's first child element. It can be any element, div
, p
, font-awesome-icon
.
QUESTION
What is the supported JDK version for json-path 2.4.0? I went through the homepage, https://github.com/json-path/JsonPath but I couldn't find the supported JDK version.
Why I'm looking for this informationI'm using JDK15 in my system and when I'm trying to use json-path 2.4.0, I'm getting the compilation error: The type java.lang.String can not be resolved.
However, when I change the compiler level to JDK8, the problem goes away.
My pom.xml:
...ANSWER
Answered 2021-Mar-31 at 07:01You need to set the property maven.compiler.release
to the Java version you want to target. Otherwise Maven will assume Java 5.
See also
http://maven.apache.org/plugins/maven-compiler-plugin/compile-mojo.html
You can pretty much copy/paste it from
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