Merge pull request #28 from alejandrohdezma/remove-scalaj

Remove dependency on `scalaj-http`

build.sbt

@@ -18,7 +18,6 @@ lazy val `sbt-fix` = project
   .enablePlugins(SbtPlugin)
   .settings(addSbtPlugin("ch.epfl.scala" % "sbt-scalafix" % "0.9.11"))
   .settings(addSbtPlugin("org.scalameta" % "sbt-scalafmt" % "2.3.1"))
-  .settings(libraryDependencies += "org.scalaj" %% "scalaj-http" % "2.4.2")
 
 lazy val `sbt-fix-it` = project
   .settings(description := "Enables scalafix/scalafmt settings in it configuration")

project/dependencies.sbt

@@ -1,5 +1,3 @@
-libraryDependencies += "org.scalaj" %% "scalaj-http" % "2.4.2"
-
 // For using the plugins in their own build
 unmanagedSourceDirectories in Compile +=
   baseDirectory.in(ThisBuild).value.getParentFile / "sbt-fix" / "src" / "main" / "scala"

sbt-fix/src/main/scala/com/alejandrohdezma/sbt/fix/http/client.scala

@@ -0,0 +1,44 @@
+/*
+ * Copyright 2019-2020 Alejandro Hernández <https://github.com/alejandrohdezma>
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.alejandrohdezma.sbt.fix.http
+
+import java.net.{HttpURLConnection, URL}
+import java.util.concurrent.ConcurrentHashMap
+
+import scala.io.Source
+
+object client {
+
+  /** Calls the provided URL and returns its contents as `String` */
+  @SuppressWarnings(Array("all"))
+  def get(uri: String): String = cache.computeIfAbsent(
+    uri, { _ =>
+      val url = new URL(uri)
+
+      val connection = url.openConnection.asInstanceOf[HttpURLConnection]
+
+      connection.setInstanceFollowRedirects(true)
+
+      val inputStream = connection.getInputStream
+
+      Source.fromInputStream(inputStream, "UTF-8").mkString
+    }
+  )
+
+  private val cache: ConcurrentHashMap[String, String] = new ConcurrentHashMap[String, String]()
+
+}

sbt-fix/src/main/scala/com/alejandrohdezma/sbt/fix/package.scala

@@ -19,9 +19,6 @@ package com.alejandrohdezma.sbt
 import sbt._
 import sbt.io.IO
 
-import scalaj.http.Http
-import scalaj.http.HttpOptions.followRedirects
-
 package object fix {
 
   /** Extracts from the state the list of configurations with the scalafix task */
@@ -51,12 +48,9 @@ package object fix {
          |# not be edited nor added to source control systems.
          |# Extra configurations can be added to ${including.name}""".stripMargin
 
-    lazy val localContent = IO.read(to)
-    lazy val extraContent = IO.read(including)
-    lazy val remoteContent = header + "\n\n" + Http(from)
-      .option(followRedirects(true))
-      .asString
-      .body
+    lazy val localContent  = IO.read(to)
+    lazy val extraContent  = IO.read(including)
+    lazy val remoteContent = header + "\n\n" + http.client.get(from)
 
     lazy val download     = log(s"Downloading $to from $from ...") → IO.write(to, remoteContent)
     lazy val includeExtra = log(s"Appending $including ...")       → IO.append(to, s"\n\n$extraContent")