Migrate to Gradle DSL as a build tool

.gitignore

@@ -4,6 +4,8 @@
 
 # Maven
 target/
+build
+.gradle
 pom.xml.tag
 pom.xml.releaseBackup
 pom.xml.versionsBackup
@@ -18,3 +20,4 @@ buildNumber.properties
 
 #Exclude CoverageHTMLReporter resources as they are managed by maven
 src/main/resources/CoverageHTMLReporter/
+/gradle.properties

.travis.yml

@@ -12,8 +12,6 @@ env:
     - DOCKER_CFG=$HOME/.docker
     - DOCKER_REPO="utplsqlv3/oracledb"
     - CACHE_DIR=$HOME/.cache
-    - MAVEN_HOME=/usr/local/maven
-    - MAVEN_CFG=$HOME/.m2
     - DB_URL="127.0.0.1:1521:XE"
     - DB_USER=app
     - DB_PASS=app
@@ -33,30 +31,27 @@ env:
     - UTPLSQL_VERSION="develop"
       UTPLSQL_FILE="utPLSQL"
 
+before_cache:
+  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
+  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
 cache:
   directories:
+    - $HOME/.gradle/caches/
+    - $HOME/.gradle/wrapper/
     - $DOCKER_CFG
     - $CACHE_DIR
-    - $MAVEN_CFG
 
 install:
-  - bash .travis/maven_cfg.sh
   - bash .travis/start_db.sh
   - bash .travis/install_utplsql.sh
   - bash .travis/install_demo_project.sh
 
-before_script:
-  - cp .travis/settings.xml $MAVEN_CFG/settings.xml
-
 script:
-  - mvn verify -B
-
-before_deploy:
-  - if [ ! -z "$TRAVIS_TAG" ]; then VERSION=$(tr -d "/v/" <<<$TRAVIS_TAG); mvn org.codehaus.mojo:versions-maven-plugin:2.1:set -DnewVersion=${VERSION}; fi
+  - ./gradlew clean build -PtravisBuildNumber=$TRAVIS_BUILD_NUMBER
 
 deploy:
   - provider: script
-    script: mvn clean deploy -DskipTests=true -B -U -DtravisBuildNumber=$TRAVIS_BUILD_NUMBER
+    script: ./gradlew clean uploadArchives -PtravisBuildNumber=$TRAVIS_BUILD_NUMBER
     skip_cleanup: true
     on:
       repository: utPLSQL/utPLSQL-java-api
@@ -65,14 +60,23 @@ deploy:
       condition: "${TRAVIS_JOB_NUMBER} =~ \\.1$"
 
   - provider: script
-    script: mvn clean deploy -DskipTests=true -B -U -DtravisBuildNumber=$TRAVIS_BUILD_NUMBER
+    script: ./gradlew clean uploadArchives -PtravisBuildNumber=$TRAVIS_BUILD_NUMBER
     skip_cleanup: true
     on:
       repository: utPLSQL/utPLSQL-java-api
       branch: develop
       # Use only first job "#xxx.1" to publish artifacts
       condition: "${TRAVIS_JOB_NUMBER} =~ \\.1$"
 
+  - provider: script
+    script: ./gradlew clean uploadArchives -PtravisBuildNumber=$TRAVIS_BUILD_NUMBER
+    skip_cleanup: true
+    on:
+      repository: utPLSQL/utPLSQL-java-api
+      branch: gradle-dsl-migration
+      # Use only first job "#xxx.1" to publish artifacts
+      condition: "${TRAVIS_JOB_NUMBER} =~ \\.1$"
+
 notifications:
   slack:
     rooms:

build.gradle.kts

@@ -0,0 +1,145 @@
+import de.undercouch.gradle.tasks.download.Download
+import org.gradle.api.tasks.testing.logging.TestExceptionFormat
+
+val deployerJars by configurations.creating
+
+group = "org.utplsql"
+val mavenArtifactId = "java-api"
+version = "3.1.3-SNAPSHOT"
+
+val coverageResourcesVersion = "1.0.1"
+val ojdbcVersion = "12.2.0.1"
+
+plugins {
+    `java-library`
+    `maven-publish`
+    maven
+    id("de.undercouch.download") version "3.4.3"
+}
+
+java {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+}
+
+// In this section you declare where to find the dependencies of your project
+repositories {
+    maven {
+        url = uri("https://www.oracle.com/content/secure/maven/content")
+        credentials {
+            // you may set this properties using gradle.properties file in the root of the project or in your GRADLE_HOME
+            username = if (project.hasProperty("ORACLE_OTN_USER")) project.property("ORACLE_OTN_USER") as String? else System.getenv("ORACLE_OTN_USER")
+            password = if (project.hasProperty("ORACLE_OTN_PASSWORD")) project.property("ORACLE_OTN_PASSWORD") as String? else System.getenv("ORACLE_OTN_PASSWORD")
+        }
+    }
+    mavenCentral()
+}
+
+dependencies {
+    // This dependency is exported to consumers, that is to say found on their compile classpath.
+    api("com.google.code.findbugs:jsr305:3.0.2")
+
+    // This dependency is used internally, and not exposed to consumers on their own compile classpath.
+    implementation("org.slf4j:slf4j-api:1.7.25")
+    implementation("com.oracle.jdbc:ojdbc8:$ojdbcVersion") {
+        exclude(group = "com.oracle.jdbc")
+    }
+    implementation("com.oracle.jdbc:orai18n:$ojdbcVersion")
+
+    // Use Jupiter test framework
+    testImplementation("org.junit.jupiter:junit-jupiter:5.4.0")
+    testImplementation("org.hamcrest:hamcrest:2.1")
+    deployerJars("io.packagecloud.maven.wagon:maven-packagecloud-wagon:0.0.6")
+}
+
+tasks {
+    withType<Test> {
+        doFirst {
+            environment("DB_URL", System.getenv("DB_URL") ?: "localhost:1521/XE")
+            environment("DB_USER", System.getenv("DB_USER") ?: "app")
+            environment("DB_PASS", System.getenv("DB_PASS") ?: "app")
+        }
+        useJUnitPlatform()
+        testLogging {
+            events("passed", "skipped", "failed")
+            exceptionFormat = TestExceptionFormat.FULL
+            showStackTraces = true
+        }
+    }
+
+    val coverageResourcesDirectory = "${project.buildDir}/resources/main/CoverageHTMLReporter"
+    val coverageResourcesZipDirectory = "${project.buildDir}/utPLSQL-coverage-html-$coverageResourcesVersion"
+    val coverageResourcesZip = "$coverageResourcesZipDirectory.zip"
+
+    // download Coverage Resources from web
+    val downloadResources = create<Download>("downloadCoverageResources") {
+        src("https://codeload.github.com/utPLSQL/utPLSQL-coverage-html/zip/$coverageResourcesVersion")
+        dest(File(coverageResourcesZip))
+    }
+    // Extract zip-archive to build
+    val extractCoverageResources = create<Copy>("extractCoverageResources") {
+        dependsOn(downloadResources)
+        from(zipTree(coverageResourcesZip))
+        into(buildDir)
+    }
+    // copy assets to sources
+    val copyCoverageResourcesToSources = create<Copy>("copyCoverageResources") {
+        dependsOn(extractCoverageResources)
+        from("$coverageResourcesZipDirectory/assets")
+        into(coverageResourcesDirectory)
+    }
+
+    withType<ProcessResources> {
+        dependsOn(copyCoverageResourcesToSources)
+
+        val properties = project.properties.toMutableMap()
+        properties.putIfAbsent("travisBuildNumber", "local")
+        expand(properties)
+    }
+
+    withType<Jar> {
+        dependsOn("generatePomFileForMavenPublication")
+        manifest {
+            attributes(
+                    "Built-By" to System.getProperty("user.name"),
+                    "Created-By" to "Gradle ${gradle.gradleVersion}",
+                    "Build-Jdk" to "${System.getProperty("os.name")} ${System.getProperty("os.arch")} ${System.getProperty("os.version")}"
+            )
+        }
+        into("META-INF/maven/${project.group}/$mavenArtifactId") {
+            from("$buildDir/publications/maven")
+            rename(".*", "pom.xml")
+        }
+
+    }
+
+    named<Upload>("uploadArchives") {
+        repositories.withGroovyBuilder {
+            "mavenDeployer" {
+                setProperty("configuration", deployerJars)
+                "repository"("url" to "packagecloud+https://packagecloud.io/utPLSQL/utPLSQL-java-api") {
+                    "authentication"("password" to System.getenv("PACKAGECLOUD_TOKEN"))
+                }
+            }
+        }
+    }
+}
+
+publishing {
+    publications {
+        create<MavenPublication>("maven") {
+            artifactId = mavenArtifactId
+            pom {
+                name.set("utPLSQL-java-api")
+                url.set("https://github.com/utPLSQL/utPLSQL-java-api")
+                licenses {
+                    license {
+                        name.set("The Apache License, Version 2.0")
+                        url.set("http://www.apache.org/licenses/LICENSE-2.0.txt")
+                    }
+                }
+            }
+            from(components["java"])
+        }
+    }
+}

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.2.1-all.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists