Update to Java 21 & Replace deprecated getBuildDir

.github/workflows/build-and-test.yml

@@ -20,9 +20,9 @@ jobs:
 
     steps:
       - name: "Checkout Branch"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
-      ### Checks if there are any file changes that are not in the .github/ or doc/ directories
+      ### Checks if there are any file changes that are not in the .github/ or doc/ directories. Only then will the build and test pipeline run.
       - name: "Check for changes outside CI and docs"
         id: check
         env:
@@ -32,7 +32,7 @@ jobs:
 
           changesOutsideDocsCI=false
           for file in $changed_files; do
-            if [[ $file -ne ".github/"* && $file -ne "doc/"* ]]; then
+            if [[ $file != .github/* && $file != doc/* ]]; then
               echo "file: $file is not part of CI or docs"
               echo "Start testing pipeline."
               changesOutsideDocsCI=true
@@ -43,6 +43,7 @@ jobs:
           done
           if [[ $changesOutsideDocsCI == true ]]; then
             echo "testing_needed=true" >> "$GITHUB_OUTPUT"
+            echo "Changes outside CI and docs detected. Start testing pipeline."
           else
             echo "testing_needed=false" >> "$GITHUB_OUTPUT"
             echo "No need for the build and test pipeline to run. Exiting."
@@ -55,23 +56,23 @@ jobs:
     needs: check
     if: |
       (github.event.pull_request.draft == false)
-      && (needs.check.outputs.worth_testing == true)
+      && (needs.check.outputs.testing_needed == 'true')
 
     runs-on: ubuntu-latest
 
     steps:
       - name: "Checkout Branch"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: "Setup Java"
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: 17
+          java-version: 21
           cache: 'gradle'
 
       - name: Setup Gradle cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.gradle
           key: ${{ runner.os }}-gradle-${{ hashFiles('versions.properties') }}-${{ github.sha }}
@@ -83,35 +84,36 @@ jobs:
         run: ./gradlew --build-cache build -x test
 
       - name: Upload build reports
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: ${{ failure() || contains(github.event.pull_request.labels.*.name, 'force reports') }}
         with:
           name: Build Reports
           path: "**/build/reports"
 
+
   test:
     name: "Test"
     timeout-minutes: 120
     needs: build
     if: |
       (github.event.pull_request.draft == false)
-      && (needs.check.outputs.testing_needed == true)
+      && (needs.check.outputs.testing_needed == 'true')
 
     runs-on: ubuntu-latest
 
     steps:
       - name: "Checkout Branch"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: "Setup Java"
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: 17
+          java-version: 21
           cache: 'gradle'
 
       - name: Setup Gradle cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.gradle
           key: ${{ runner.os }}-gradle-${{ hashFiles('versions.properties') }}-${{ github.sha }}
@@ -123,7 +125,7 @@ jobs:
         run: ./gradlew --build-cache check
 
       - name: Upload test reports
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: ${{ failure() || contains(github.event.pull_request.labels.*.name, 'force reports') }}
         with:
           name: Test Reports

.github/workflows/deploy-docker.yml

@@ -21,11 +21,11 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
       -
         name: Docker bco meta
         id: bco-meta
-        uses: docker/metadata-action@v3
+        uses: docker/metadata-action@v5
         with:
           # list of Docker images to use as base name for tags
           images: |
@@ -43,26 +43,26 @@ jobs:
             type=sha
       -
         name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v3
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v3
       -
         name: Login to DockerHub
-        uses: docker/login-action@v1 
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
       -
         name: Login to GHCR
-        uses: docker/login-action@v1
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
       -
         name: Build and push bco
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v5
         with:
           context: .
           file: docker/Dockerfile 
@@ -75,7 +75,7 @@ jobs:
       -
         name: Docker bco device meta
         id: bco-device-meta
-        uses: docker/metadata-action@v3
+        uses: docker/metadata-action@v5
         with:
           # list of Docker images to use as base name for tags
           images: |
@@ -92,11 +92,11 @@ jobs:
             type=semver,pattern={{major}}
             type=sha
       -
-        uses: benjlevesque/short-sha@v1.2
+        uses: benjlevesque/short-sha@v3.0
         id: short-sha
       -
         name: Build and push bco device manager
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v5
         with:
           context: ./docker/device-manager/openhab
           build-args: |
@@ -109,7 +109,7 @@ jobs:
       -
         name: Docker bco demo meta
         id: bco-demo-meta
-        uses: docker/metadata-action@v3
+        uses: docker/metadata-action@v5
         with:
           # list of Docker images to use as base name for tags
           images: |
@@ -127,7 +127,7 @@ jobs:
             type=sha
       -
         name: Build and push bco demo
-        uses: docker/build-push-action@v2
+        uses: docker/build-push-action@v5
         with:
           context: ./docker/bco-demo
           build-args: |

.github/workflows/publish-jars.yml

@@ -14,16 +14,19 @@ jobs:
       packages: write
     steps:
       - name: "Checkout Branch"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
+
       - name: "Setup Java"
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: 'temurin'
-          java-version: 17
+          java-version: 21
           cache: 'gradle'
+
       - name: Validate Gradle wrapper
         uses: gradle/wrapper-validation-action@v1
       - name: Publish Packages
+
         uses: gradle/gradle-build-action@v2
         with:
           arguments: publishToSonatype closeAndReleaseSonatypeStagingRepository

build.gradle.kts

@@ -18,6 +18,6 @@ nexusPublishing {
 
 tasks.withType(KotlinCompile::class).all {
     kotlinOptions {
-        jvmTarget = "17"
+        jvmTarget = "21"
     }
 }

buildSrc/build.gradle.kts

@@ -23,6 +23,6 @@ dependencies {
 
 tasks.withType<KotlinCompile> {
     kotlinOptions {
-        jvmTarget = "17"
+        jvmTarget = "21"
     }
 }

buildSrc/src/main/kotlin/org.openbase.bco.gradle.kts

@@ -24,16 +24,16 @@ group = "org.openbase"
 val releaseVersion = !version.toString().endsWith("-SNAPSHOT")
 
 java {
-    sourceCompatibility = JavaVersion.VERSION_17
+    sourceCompatibility = JavaVersion.VERSION_21
     targetCompatibility = sourceCompatibility
     withSourcesJar()
     withJavadocJar()
 }
 
 dependencies {
-    implementation("org.jetbrains.kotlin:kotlin-reflect:1.9.20")
-    api("org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.9.20")
-    implementation("org.jetbrains.kotlin:kotlin-script-runtime:1.9.20")
+    implementation("org.jetbrains.kotlin:kotlin-reflect:2.0.0")
+    api("org.jetbrains.kotlin:kotlin-stdlib-jdk8:2.0.0")
+    implementation("org.jetbrains.kotlin:kotlin-script-runtime:2.0.0")
     testImplementation("org.junit.jupiter:junit-jupiter:[5.8,5.9-alpha)")
     testImplementation("org.junit.jupiter:junit-jupiter-api:[5.8,5.9-alpha)")
     testImplementation(Testing.mockK)
@@ -45,7 +45,7 @@ dependencies {
 tasks.withType<KotlinCompile> {
     kotlinOptions {
         freeCompilerArgs = listOf("-Xjsr305=strict")
-        jvmTarget = "17"
+        jvmTarget = "21"
     }
 }
 

doc/docs/developer/installation.md

@@ -14,7 +14,7 @@ sidebar_position: 1
 
 ## Requirements
 
-* Java JDK 17
+* Java JDK 21
 * Git
 * Docker
 

docker/Dockerfile

@@ -1,5 +1,5 @@
 # Install dependencies
-FROM eclipse-temurin:17-jdk AS builder
+FROM eclipse-temurin:21-jdk AS builder
 
 ENV \
     JAVA_OPTS="" \
@@ -38,7 +38,7 @@ RUN cd lib/jul && \
 RUN ./gradlew :bco.app.util:installDist -x test -x javadoc --no-daemon --stacktrace
 
 # Switch to baseline image
-FROM eclipse-temurin:17-jre
+FROM eclipse-temurin:21-jre
 
 # # Install app
 COPY --from=builder /workspace/module/app/util/build/install/bco/bin /usr/bin/

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

gradlew

@@ -83,7 +83,8 @@ done
 # This is normally unused
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -144,15 +145,15 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
         # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
+        # shellcheck disable=SC2039,SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
         # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
+        # shellcheck disable=SC2039,SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -201,11 +202,11 @@ fi
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
-# Collect all arguments for the java command;
-#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
-#     shell script including quotes and variable substitutions, so put them in
-#     double quotes to make sure that they get re-expanded; and
-#   * put everything else in single quotes, so that it's not re-expanded.
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \

gradlew.bat

@@ -43,11 +43,11 @@ set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
 if %ERRORLEVEL% equ 0 goto execute
 
-echo.
-echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail
 
@@ -57,11 +57,11 @@ set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
 if exist "%JAVA_EXE%" goto execute
 
-echo.
-echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
-echo.
-echo Please set the JAVA_HOME variable in your environment to match the
-echo location of your Java installation.
+echo. 1>&2
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2
+echo. 1>&2
+echo Please set the JAVA_HOME variable in your environment to match the 1>&2
+echo location of your Java installation. 1>&2
 
 goto fail