Pedestal Libraries — io.pedestal/pedestal.route 0.8.1

Pedestal Libraries

Pedestal is composed of multiple libraries, and many of these can be used outside of a Pedestal application.

digraph G {
  "pedestal.common" ->  "org.clj-commons/pretty";
  "pedestal.telemetry" -> "pedestal.common";
  "pedestal.log" -> "pedestal.common";
  "pedestal.telemetry" -> "Open Telemetry";
  "pedestal.interceptor" -> "pedestal.common", "pedestal.log", "org.clojure/core.async", "org.clj-commons/pretty";
  "pedestal.error" -> "pedestal.interceptor", "org.clojure/core.match";
  "pedestal.route" -> "pedestal.log", "pedestal.interceptor", "pedestal.common", "org.clojure/core.async";

  "pedestal.service" -> "pedestal.telemetry", "pedestal.interceptor", "pedestal.route", "org.clojure/core.async", "ring/ring.core";
    "pedestal.servlet" -> "pedestal.service", "Jakarta Servlet APIs";
    "pedestal.jetty" -> "pedestal.servlet", "jetty-service, ...";
    "jetty-service, ..." -> "Jakarta Servlet APIs";
    "pedestal.http-kit" -> "pedestal.service", "http-kit/http-kit";
}

Table 1. Pedestal Libraries Summary
Library Name	Description
pedestal.common	Common functionality and internal utilities.
pedestal.telemetry	Wrapper around Open Telemetry for generating application metrics and tracing.
pedestal.log	Wrapper around Simple Logging Facade for Java
pedestal.interceptor	Asynchronous interceptor pipeline
pedestal.error	Simple error catching for interceptors
pedestal.route	HTTP request routing
pedestal.service	Connector-agnostic HTTP service support
pedestal.servlet	Servlet-API specific
pedestal.jetty	jetty.adoc connector
pedestal.http-kit	http-kit.adoc connector

Artifact Coordinates

Pedestal libraries are uploaded to the Clojars repository; files in such a repository are called artifacts.

All pedestal libraries are in the io.pedestal group.

For Leiningen, add this vector to the :dependencies list inside your project.clj:

    [io.pedestal/pedestal.jetty "{libs_version}"]

You will adjust the library name as necessary.

For Clojure Deps, add this key and value to the :deps map inside your deps.edn:

 io.pedestal/pedestal.jetty {:mvn/version "{libs_version}"}

Git Artifact Coordinates

Pedestal is built using Clojure Deps; this means that it is possible to get access to bleeding-edge versions of the libraries directly from the GitHub repository.

  io.pedestal/pedestal.jetty {:git/url "https://github.com/pedestal/pedestal.git"
                              :git/sha "a0b6a0f7e57710ba6b9f0aa3a62dd1f68e278f43"
                              :deps/root "jetty"}

All Pedestal libraries are in the same repository, :deps/root is used to select the subdirectory containing the library’s code (this matches the library name, without the pedestal. prefix).

:git/url’s are not transitive; when the library you select has dependencies on other Pedestal libraries, those will be accessed as :mvn/version dependencies. You may need to provide additional dependencies to bring in multiple Pedestal libraries.

For example, if you are verifying a bug fix that was split between pedestal.route and pedestal.service, you should introduce dependencies on both libraries; otherwise you may only get half of the bug fix.

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