Joda-Beans
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Joda-Beans | javawriter | |
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2 | 10 | |
140 | 10,681 | |
-0.7% | 0.5% | |
6.2 | 6.3 | |
about 1 month ago | 7 days ago | |
Java | Java | |
Apache License 2.0 | Apache License 2.0 |
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Joda-Beans
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Don’t call it a comeback: Why Java is still champ
That means I don't forget about fields (as can happen if you're just doing `person.setX()` all the time). It's easy to see what is what when reading it. I can delete fields I don't want to initialize at the time. Yes, maybe immutable objects are the One True Way, but C# lets me choose (I can label properties with an initializer `init` rather than a setter `set` and then they're immutable).
Kotlin offers stuff like this too because it's really useful toward creating code that's easy to create and maintain. Go also lets you initialize structs in a similar fashion.
Java has come back to us a decade or more late with records. They're not bad, but they're only offering one thing. They don't cover what C#, Kotlin, Go, and other languages have offered for so long.
The annoying thing about Java is that it doesn't feel pragmatic a lot of the time. It feels like the language hates stealing ideas from others. It's Java: people steal ideas from Java, not the other way around. People do crazy things just to get POJOs including Immutables (http://immutables.github.io), AutoValue (https://github.com/google/auto/), Lombok (https://projectlombok.org), Joda Beans (https://www.joda.org/joda-beans/), and maybe more. They generate lots of code at compile time or do funky runtime stuff.
It just feels like Java misses the pragmatic stuff and still kinda doesn't want to handle that. I feel a bit silly harping on things like POJOs and setting data on a new object, but that's a big part of day-to-day stuff and it definitely pushes users away from Java towards languages that seem "better" simply because they don't have Java's oddly strong attachment to not offering simple value objects. Yes, again, records do something - but it feels like Java ignored how people are using Kotlin, Go, C#, and more and didn't go for something that would have been as widely applicable and pragmatic as it could have been.
Java has a lot of great stuff like great GCs (yes), lots of cool research, great performance, and Project Loom is really exciting. I just wish the language would lean a little more practical.
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With the recent changes to Discord's branding, here's a proposition for a new tagline for C#. Thoughts?
I know I've been talking about properties a bunch, but let's look at Java. Java Beans are terrible - so terrible that the community has a number of workarounds. Immutables (https://immutables.github.io) lets you generate builders, Lombok (https://projectlombok.org) has their annotations that do runtime and IDE magic, there's Joda-Beans (https://www.joda.org/joda-beans/), there's the new Java Records if you want immutable-only and non-compatibility with lots of libraries, there are people using Kotlin for their data classes and Java for other things... Properties are this simple thing that lets C# work with the whole getter/setter pattern without being horribly annoying - there's just this weird { get; set; } thing that I can ignore because I don't care.
javawriter
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Supercharge Your Spring Boot Services with Multiple Data Sources! Introducing spring-multi-data-source!
javapoet (for generating code in Java): square/javapoet: A Java API for generating .java source files. (github.com)
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Supercharge Your Spring Boot Services with Multiple Data Sources! Introudcing spring-multi-data-source!
Resources: 1. Spring Boot Official Documentation on configuring multiple data sources: Spring Boot Reference Documentation 2. javapoet (for generating code in Java): square/javapoet: A Java API for generating .java source files. (github.com) 3. Guide to Annotation Processing in Java: Java Annotation Processing and Creating a Builder | Baeldung
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Any library you would like to recommend to others as it helps you a lot? For me, mapstruct is one of them. Hopefully I would hear some other nice libraries I never try.
Javapoet. This helped me a lot, because i wrote two generators, one for one employer, who don't like dynamic generators, so the first was to generate mappers like mapstruct does; from model to pojos and viceversa. The second one was a static testing pojo factory generator; this last one i made public (it's pretty basic and now we have projects like instancio and podam) its name is mother-factory.
- Generare de cod pentru Java
- Any news on the Classfile API?
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Proposed: A new CMake scripting language usable alongside existing one
> can you show an example of how you'd parse, say, a .java.in
The canonical way to do such a thing is through the java annotation processing api [1] and using a tool like java poet [2]. Before you did that, you'd probably decide if you wanted to instead use bytecode generation with a library like bytebuddy [3]
But, assuming for some reason, you wanted to torture yourself and actually consume a java.in file and apply a regex, then you'd probably pull out the "maven-replacer-plugin" [4] and configure that for the task at hand. (or use your favorite templating language plugin. There's a million of them).
Though, to be fair, this really isn't something that comes up in regular java programming due to the nature of the ecosystem. Anything you'd want to codegen likely already has a library and anything you didn't would receive (legitimate) push back.
[1] https://www.baeldung.com/java-annotation-processing-builder
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Scaffolding multiple java files
I’ve used a maven archetype before with velocitemplate. That solution was iffy so we then migrated to using https://github.com/square/javapoet to generate the java source and write it to the desired files. I think we also used the google formatter library so the files would be formatted after generating.
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20+ Trending and Popular Java Open Source Project
JavaPoet
- May be a stupid question: Why are computer programs that modify themselves so uncommon? I can't really think of a use case, but does the phenomenon have a name?
What are some alternatives?
FreeBuilder - Automatic generation of the Builder pattern for Java
SDMLib
NetworkParser - Framework for serialization to Json, XML, Byte and Excel, therefore an oviparous wool milk sow J
parceler - :package: Android Parcelables made easy through code generation.
Lombok - Very spicy additions to the Java programming language.
javageci - Java Code Generation Framework
ParcelablePlease - Annotation Processor for generating Parcelable code
jpa-entity-generator - Lombok-wired JPA entity source code generator, Gradle and Maven supported.
RoboCoP - Pure Java code generation tool for generating a fully functional ContentProvider for Android.