Upgrade to jdk17

Jenkinsfile

@@ -40,7 +40,7 @@ def mavenCentralSignKeyId = "a1357827-1516-4fa2-ab8e-72cdea07a692"
 //// define and setjava version ////
 //// requires the java version to be set in the internal jenkins java version management
 //// use identifier accordingly
-def javaVersionId = 'jdk-8'
+def javaVersionId = 'jdk-17'
 
 //// set java version method (needs node{} for execution)
 def setJavaVersion(javaVersionId) {

README.md

@@ -94,7 +94,7 @@ If you want to provide this future feel free to hand in an issue or a pull reque
 ### Requirements
 * Unix based OS
 * [ecCodes](https://confluence.ecmwf.int//display/ECC/Releases) installed
-* JRE 1.8 installed
+* JRE 17 installed
 * access to a postgresql database
 * internet access
 * write permission on download directory

build.gradle

@@ -18,7 +18,7 @@ ext {
 	hibernateVersion = '5.3.3.Final'
 	log4jVersion = '2.17.1'
 	picoliVersion = '4.6.1'
-	javaVersion = JavaVersion.VERSION_1_8
+	javaVersion = JavaVersion.VERSION_17
 
 	scriptsLocation = 'gradle' + File.separator + 'scripts' + File.separator //location of script plugins
 	mainClass = 'edu.ie3.tools.Main'

gradle.properties

@@ -0,0 +1,9 @@
+# Workaround to make spotless work with java 17 -
+# see https://github.com/diffplug/spotless/tree/main/plugin-gradle#google-java-format and
+# https://github.com/ie3-institute/DWDWeatherTools/issues/124 for details
+org.gradle.jvmargs=\
+  --add-exports jdk.compiler/com.sun.tools.javac.api=ALL-UNNAMED \
+  --add-exports jdk.compiler/com.sun.tools.javac.file=ALL-UNNAMED \
+  --add-exports jdk.compiler/com.sun.tools.javac.parser=ALL-UNNAMED \
+  --add-exports jdk.compiler/com.sun.tools.javac.tree=ALL-UNNAMED \
+  --add-exports jdk.compiler/com.sun.tools.javac.util=ALL-UNNAMED

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.9-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

src/main/java/edu/ie3/tools/Converter.java

@@ -310,8 +310,7 @@ public void convertTimeStep(ZonedDateTime modelRun, int timeStep, String folderP
     }
 
     // update the entities with the extraction results
-    entities
-        .parallelStream()
+    entities.parallelStream()
         .forEach(
             entity ->
                 // get each parameter from the extraction results and update the entity accordingly