add circleci

Author: lbalmaceda

.circleci/config.yml

@@ -0,0 +1,28 @@
+version: 2
+jobs:
+  build:
+    docker:
+      - image: openjdk:8-jdk
+    steps:
+      - checkout
+      - run: chmod +x gradlew
+      # Download and cache dependencies
+      - restore_cache:
+          keys:
+          - v1-dependencies-{{ checksum "build.gradle" }}
+          # fallback to using the latest cache if no exact match is found
+          - v1-dependencies-
+      # run tests!
+      - run: ./gradlew clean check jacocoTestReport --continue --console=plain
+      - run:
+          name: Upload Coverage
+          when: on_success
+          command: bash <(curl -s https://codecov.io/bash) -Z -C $CIRCLE_SHA1
+      - save_cache:
+          paths:
+            - ~/.m2
+          key: v1-dependencies-{{ checksum "build.gradle" }}
+    environment:
+      GRADLE_OPTS: '-Dorg.gradle.jvmargs="-Xmx2048m -XX:+HeapDumpOnOutOfMemoryError"'
+      _JAVA_OPTIONS: "-Xms512m -Xmx1024m"
+      TERM: dumb

README.md

@@ -1,6 +1,6 @@
 # Guardian Java
 
-[![Build][travis-ci-badge]][travis-ci-url]
+[![CircleCI](circle-ci-badge)](circle-ci-url)
 [![MIT][mit-badge]][mit-url]
 [![Maven][maven-badge]][maven-url]
 [![JCenter][jcenter-badge]][jcenter-url]
@@ -166,8 +166,8 @@ This project is licensed under the MIT license. See the [LICENSE](LICENSE) file
 
 <!-- Vars -->
 
-[travis-ci-badge]: https://travis-ci.org/auth0/Guardian.java.svg?branch=master
-[travis-ci-url]: https://travis-ci.org/auth0/Guardian.java
+[circle-ci-badge]: https://img.shields.io/circleci/project/github/auth0/Guardian.java.svg?style=flat-square
+[circle-ci-url]: https://circleci.com/gh/auth0/Guardian.java/tree/master
 [mit-badge]: http://img.shields.io/:license-mit-blue.svg?style=flat
 [mit-url]: https://raw.githubusercontent.com/auth0/Guardian.java/master/LICENSE
 [maven-badge]: https://img.shields.io/maven-central/v/com.auth0/guardian.svg