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wtf is dancer-plugin-adapter?

relequestual/dancer-plugin-adapter — explained in plain English

Analysis updated 2026-07-20 · repo last pushed 2014-06-13

PerlAudience · developerComplexity · 2/5DormantSetup · easy

TL;DR

A Perl plugin for the Dancer web framework that lets you wrap any existing Perl class and use it in your app as if a dedicated plugin already existed. You configure it once, then call it by nickname.

Mindmap

mindmap
  root((repo))
    What it does
      Wraps any Perl class
      Config via nickname
      Manages object lifecycle
    Tech stack
      Perl
      Dancer framework
    Use cases
      Email service integration
      HTTP client wrapping
      File utility access
    Audience
      Dancer developers
      Perl web app builders
    Key concepts
      Per-request lifetime
      Session lifetime
      Singleton lifetime
      Fresh object per call

Code map

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filefunction / class

Why would anyone build with this?

REASON 1

Send email through a service like Postmark by wrapping its Perl class in your Dancer config file.

REASON 2

Use an HTTP client library in your Dancer app without writing a custom plugin from scratch.

REASON 3

Integrate a file utility into your web app by giving it a nickname and calling it on demand.

REASON 4

Wrap any third-party Perl class that requires an API key and manage how long the object stays alive.

What's in the stack?

PerlDancerCPAN

How it stacks up

relequestual/dancer-plugin-adapterbusches/clocrelequestual/dancer
LanguagePerlPerlPerl
Last pushed2014-06-132016-06-092016-02-01
MaintenanceDormantDormantDormant
Setup difficultyeasyeasyeasy
Complexity2/51/52/5
Audiencedeveloperdeveloperdeveloper

Figures from each repo's GitHub metadata at analysis time.

How do you spin it up?

Difficulty · easy Time to first run · 5min

Requires an existing Dancer web app and a Perl class you want to wrap, plus basic knowledge of Dancer configuration files.

No license information was provided in the project's documentation, so usage rights are unclear.

Wtf does this do

Dancer::Plugin::Adapter solves a simple but annoying problem for people building web apps with the Perl framework Dancer: what do you do when you want to use an external tool or service, but there's no pre-built plugin for it? Instead of writing a custom integration from scratch, this tool lets you wrap almost any existing Perl class and use it directly in your app as if a plugin already existed. You set it up by listing the classes you want to use in your app's configuration file, giving each a nickname. You also tell it how to construct the object, like passing in an API key, and choose how long the object should stick around. Then, in your app's code, you just call a function with that nickname to get your object and use it normally. For example, you could configure it to send email through a service like Postmark by just providing the class name and your API key in the config file. The project is flexible about how long it keeps each object alive, which matters depending on what the tool does. An object can last just for the current web request, for the duration of a user's session, or for the entire life of the application as a singleton. You can also tell it to create a fresh object every single time if the tool holds onto data that shouldn't be shared between users. This is useful for developers building apps in Dancer who want to quickly pull in a third-party service, like an email provider, an HTTP client, or a file utility, without hand-crafting the plumbing to manage it. It handles the setup and caching behind the scenes, so you can focus on actually using the tool. The README doesn't go into detail on limitations beyond the requirement that the class needs only static data to construct an object, but the project is straightforward by design: a pragmatic, "just-in-time" bridge between any Perl class and your Dancer application.

Yoink these prompts

Prompt 1
I have a Dancer web app in Perl and want to use a Perl class for sending emails through Postmark. Write a config file entry and code snippet using Dancer::Plugin::Adapter to wrap the Postmark class with my API key.
Prompt 2
Show me how to configure Dancer::Plugin::Adapter to wrap an HTTP client class as a singleton that lasts for the entire application lifetime, and then call it in a route.
Prompt 3
I want to use Dancer::Plugin::Adapter to wrap a Perl class that holds user-specific data. How do I configure it so a fresh object is created every time instead of being shared across requests?
Prompt 4
Write a Dancer config file that registers two classes with Dancer::Plugin::Adapter, one for email and one for file handling, each with different object lifetimes.

Frequently asked questions

wtf is dancer-plugin-adapter?

A Perl plugin for the Dancer web framework that lets you wrap any existing Perl class and use it in your app as if a dedicated plugin already existed. You configure it once, then call it by nickname.

What language is dancer-plugin-adapter written in?

Mainly Perl. The stack also includes Perl, Dancer, CPAN.

Is dancer-plugin-adapter actively maintained?

Dormant — no commits in 2+ years (last push 2014-06-13).

What license does dancer-plugin-adapter use?

No license information was provided in the project's documentation, so usage rights are unclear.

How hard is dancer-plugin-adapter to set up?

Setup difficulty is rated easy, with roughly 5min to a first successful run.

Who is dancer-plugin-adapter for?

Mainly developer.

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