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poc-groovy-reload-with-classloader-isolation's Introduction

POC - Groovy Reload with Classloader Isolation

AKA: A simple Spring Boot service with an exposed end-point allowing execution of arbitrary Groovy scripts. Groovy scripts are executed within their own cached (and isolated) ClassLoader.

Why

An excuse to play around with Spring Boot and do a very quick comparison of it to common Dropwizard capabilities.

  • Overriding ObjectMapper (ie. enable custom serialization features)
  • URL Generation (ie. UriComponentsBuilder)
  • Configuration Validation (ie. JSR-303)
  • Authentication (ie. Spring Security Basic Auth)
  • Task Scheduling

Running

[ajordens@Phaeton]$ gradle wrapper
[ajordens@Phaeton]$ ./gradlew bootRun
[ajordens@Phaeton]$ curl http://localhost:8080/api/v1/dynamic
{
  "results" : [ {
    "name" : "TestScript",
    "lastUpdated" : "2014-08-18T05:39:48.000+0000",
    "actions" : {
      "execute" : "http://localhost:8080/api/v1/dynamic/TestScript"
    }
  } ]
}

[ajordens@Phaeton]$ curl -u user:password http://localhost:8080/api/v1/dynamic/TestScript
{
  "results" : {
    "output" : "TestScript executed!",
    "hashCode" : 1286548743
  }
}

poc-groovy-reload-with-classloader-isolation's People

Contributors

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Forkers

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