Migrate to Gradle builds (#15)

.gitignore

@@ -1,5 +1,6 @@
-# Exclude all files from target directory
-target/
+# Exclude all files from Gradle directories
+.gradle
+/build/
 
 # Exclude all Idea related project files
 .idea/

.travis.yml

@@ -5,7 +5,7 @@ branches:
   only: 
     - master
 
-before_install: mvn package -DbuildNumber=$TRAVIS_BUILD_NUMBER
+before_install: gradle clean release -DbuildNumber=$TRAVIS_BUILD_NUMBER
 
 before_deploy:
  - export TRAVIS_TAG="1.$TRAVIS_BUILD_NUMBER"
@@ -23,7 +23,7 @@ deploy:
   api_key: $GITHUB_TOKEN
   file_glob: true
   file:
-    - target/tweetsched-cron-1.$TRAVIS_BUILD_NUMBER.jar
+    - build/dist/tweetsched-cron-1.$TRAVIS_BUILD_NUMBER.zip
   on:
     branch: master
     repo: Tweetsched/tweetsched-cron

README.md

@@ -6,14 +6,14 @@
 Cron jobs service for the Scheduled Tweets service.
 
 ## Requirements:
- - Java 8 or higher
- - Maven 3.3.3 or higher
+- Java 8 or higher
+- Gradle 4.8 or higher
 
 ## How to build:
-`mvn clean package -DbuildNumber=<<<desired_number_of_build>>>`
+`gradle release -DbuildNumber=<<<desired_number_of_build>>>`
 
 ## How to run locally:
-- Configure next app properties in  "tweetsched.properties" file:
+- Configure next app properties in "tweetsched.properties" file:
   - CRON_EXPRESSION (optional)
   - REDIS_URL
   - REDIS_PORT
@@ -22,4 +22,5 @@ Cron jobs service for the Scheduled Tweets service.
   - OAUTH_CONSUMER_SECRET
   - OAUTH_ACCESS_TOKEN
   - OAUTH_ACCESS_TOKEN_SECRET
-- Run `java -jar target/tweetsched-cron-1.<<<desired_number_of_build>>>.jar`
+- Copy "tweetsched.properties" file to folder with jar file
+- Run `java -jar build/libs/tweetsched-cron-1.<<<desired_number_of_build>>>.jar`

build.gradle

@@ -0,0 +1,70 @@
+apply plugin: 'java'
+
+group 'gk.tweetsched'
+version '1.' +  System.getProperty("buildNumber")
+
+def fatJarFolder = 'build/libs/'
+def distFolder = 'build/dist'
+def tempDistFolder = 'build/tmp-dist/'
+def configFolder = 'config/'
+def startupShFileName = 'startup.sh'
+def startupScript =
+"""#!/bin/bash
+
+nohup java -jar tweetsched-cron-${version}.jar &
+PID=\$!
+echo \$PID > pid.txt
+
+"""
+
+repositories {
+    mavenCentral()
+}
+
+test {
+    useTestNG() {
+        useDefaultListeners = true
+        suites 'src/test/resources/testng.xml'
+    }
+}
+
+task fatJar(type: Jar, dependsOn: test) {
+    manifest {
+        attributes 'Main-Class': 'gk.tweetsched.cron.TweetschedCronTrigger'
+    }
+    baseName = project.name
+    from { configurations.compile.collect { it.isDirectory() ? it : zipTree(it) } }
+    with jar
+}
+
+task copyJar(dependsOn: fatJar, type: Copy) {
+    from fatJarFolder
+    into tempDistFolder
+}
+
+task copyConf(dependsOn: copyJar, type: Copy) {
+    from configFolder
+    into tempDistFolder
+}
+
+task release(dependsOn: copyConf, type: Zip) {
+    doFirst {
+        def startupFile = new File(tempDistFolder + startupShFileName)
+        startupFile.text = startupScript
+    }
+    from tempDistFolder
+    into project.name
+    destinationDir file(distFolder)
+}
+
+dependencies {
+    compile 'org.springframework:spring-core:5.0.6.RELEASE'
+    compile 'org.springframework:spring-context:5.0.6.RELEASE'
+    compile 'redis.clients:jedis:2.9.0'
+    compile 'org.twitter4j:twitter4j-core:4.0.6'
+    compile 'com.google.code.gson:gson:2.8.5'
+    compile 'org.apache.logging.log4j:log4j-core:2.11.0'
+    compile 'org.apache.logging.log4j:log4j-api:2.11.0'
+    testCompile 'org.testng:testng:6.14.3'
+    testCompile 'org.mockito:mockito-all:1.10.19'
+}

tweetsched.properties → config/tweetsched.properties

@@ -5,4 +5,4 @@ OAUTH_CONSUMER_KEY=
 OAUTH_CONSUMER_SECRET=
 OAUTH_ACCESS_TOKEN=
 OAUTH_ACCESS_TOKEN_SECRET=
-CRON_EXPRESSION=
+CRON_EXPRESSION=0 */30 0-3 * * *

settings.gradle

@@ -0,0 +1 @@
+rootProject.name = 'tweetsched-cron'