Add eclipse plugin with correct configuration to build.gradle

README.md

@@ -15,6 +15,11 @@ Each exercise is created as a failing unit test and your job is to make it pass.
 
 Here https://www.jetbrains.com/help/idea/gradle.html you can read how to work with Gradle projects in IntelliJ IDEA.
 
+##### Working with the project using Eclipse:
+
+1. Run `./gradlew eclipse` (this creates the correct .project and .classpath required by Eclipse)
+2. Import the project as Existing Project
+
 ##### Working with the commandline
 
 You can also build the project and run all tests in the terminal:

build.gradle

@@ -11,6 +11,7 @@ buildscript {
 }
 
 apply plugin: 'kotlin'
+apply plugin: 'eclipse'
 
 sourceSets {
     main.java.srcDirs += 'src'
@@ -26,3 +27,16 @@ dependencies {
     compile 'com.google.guava:guava:16.0'
     testCompile 'junit:junit:4.12'
 }
+
+eclipse {
+    project {
+        natures 'org.jetbrains.kotlin.core.kotlinNature'
+        buildCommand 'org.jetbrains.kotlin.ui.kotlinBuilder'
+        linkedResource(
+            name: 'kotlin_bin',
+            type: '2',
+            locationUri: "org.jetbrains.kotlin.core.filesystem:/${name}/kotlin_bin".toString()
+        )
+    }
+    classpath.containers 'org.jetbrains.kotlin.core.KOTLIN_CONTAINER'
+}