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https://github.com/ethlo/lamebda
Powerful plugin system for adding custom functionality to existing applications, supporting both pre-compiled or source code, with live reload.
https://github.com/ethlo/lamebda
compiler java on-the-fly plugin-system spring spring-mvc
Last synced: 2 months ago
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Powerful plugin system for adding custom functionality to existing applications, supporting both pre-compiled or source code, with live reload.
- Host: GitHub
- URL: https://github.com/ethlo/lamebda
- Owner: ethlo
- Created: 2018-04-17T14:32:01.000Z (over 6 years ago)
- Default Branch: main
- Last Pushed: 2023-06-08T08:42:20.000Z (over 1 year ago)
- Last Synced: 2024-09-29T08:41:01.556Z (3 months ago)
- Topics: compiler, java, on-the-fly, plugin-system, spring, spring-mvc
- Language: Java
- Homepage:
- Size: 866 KB
- Stars: 2
- Watchers: 3
- Forks: 0
- Open Issues: 1
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
[](https://search.maven.org/search?q=g:%22com.ethlo.lamebda%22)
[](LICENSE)
A simple, powerful, plugin system for adding new API endpoints or custom functionality to you Spring project. Oftentimes there are conflicting requirements from different clients utilizing a common main application. The required custom functionality needed is often easy to do with a few lines of code, but is not acceptable to add to your main code-base. With Lamebda you can load either precompiled or source files (Groovy/Java) for adding custom functionality.
> It Really Whips The Lambda's Ass!
## Example use-cases
* Ad-hoc API services and integration projects - Changes in the integration code can evolve freely from the core service
* Transactional support across multiple API calls
* Batch multiple API calls to avoid chatty data exchange
* API prototyping
* A powerful support tool for extracting data or changing state (think JMX on steroids)
## Getting started
### Integrating with your project
#### Usage with Spring Boot and Spring MVC
##### Note:
1.x releases are for Spring Boot 2.x.
2.x releases are for Spring Boot 3.x.
Add dependency to your `pom.xml`
```xml
com.ethlo.lamebda
lamebda-spring-web-starter
2.0.1
```
Add the following properties to your applications `application.properties|yaml`:
```properties
lamebda.enabled=true
lamebda.root-directory=/var/lib/lamebda
lamebda.request-path=/gateway
```
### Project configuration
`project.properties`
* `project.name` - Human-readable name of the project. Optional.
* `project.base-packages` - The base packages that Spring IOC container is scanning for services and controllers.
* `project.root-request-path-enabled` - Default is true. If you set this to false, the URLs in this project will not have the prepended `gateway` path.
* `project.url-prefix-enabled` - Default is true. If you set this to false the URLs in this project will not have the prepended project alias.
### Setup a project folder
Create a project folder. This folder is a logical grouping for your API functions. We will go with the creative choice `test` for now. We now have the folder `/var/lib/lamebda/test`.
### Add your first script
1. Create a folder for the functions in the test project: `/var/lib/lamebda/test/src/main/groovy/com/acme`
2. Add a simple script in the `scripts` folder:
```groovy
@RestController
class MyController {
@GetMapping("/my/{id}")
def get(@PathVariable("id") int id) {
return [requested: id]
}
}
```
Please note that you can also write code in good ol' Java! Make sure you then put it in `src/main/java/com/acme`.
Add `com.acme` as base-package in your `project.properties`:
`project.base-packages=com.acme`
### Access your first function
Your function should be available under `/gateway/test/my/123`
### Built in functions
* /<servlet>/gateway - Status page showing your projects