Project migrated to Maven. Start using Java 8

Author: RakhmedovRS

.circleci/config.yml

@@ -1,42 +1,9 @@
-# Java Gradle CircleCI 2.0 configuration file
-#
-# Check https://circleci.com/docs/2.0/language-java/ for more details
-#
-version: 2
-jobs:
-  build:
-    docker:
-      # specify the version you desire here
-      - image: circleci/openjdk:8-jdk
+version: 2.1
 
-      # Specify service dependencies here if necessary
-      # CircleCI maintains a library of pre-built images
-      # documented at https://circleci.com/docs/2.0/circleci-images/
-      # - image: circleci/postgres:9.4
+orbs:
+  maven: circleci/maven@0.0.12
 
-    working_directory: ~/repo
-
-    environment:
-      # Customize the JVM maximum heap limit
-      JVM_OPTS: -Xmx3200m
-      TERM: dumb
-
-    steps:
-      - checkout
-
-      # 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: gradle dependencies
-
-      - save_cache:
-          paths:
-            - ~/.gradle
-          key: v1-dependencies-{{ checksum "build.gradle" }}
-
-      # run tests!
-      - run: gradle test
+workflows:
+  maven_test:
+    jobs:
+      - maven/test # checkout, build, test, and upload test results

.gitignore

@@ -1,8 +1,32 @@
-.idea/
-out/
-.gradle/
+
+HELP.md
+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**
+!**/src/test/**
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
 build/
 
-**.iml
-**.ipr
-**.iws
+### VS Code ###
+.vscode/