Use Adoptium JREs

.github/scripts/prepare_JREs.sh

@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+
+URL_JDK8="https://api.adoptium.net/v3/binary/latest/8/ga/linux/x64/jre/hotspot/normal/eclipse"
+URL_JDK17="https://api.adoptium.net/v3/binary/latest/17/ga/linux/x64/jre/hotspot/normal/eclipse"
+
+mkdir -p JREs
+pushd JREs
+
+wget --content-disposition "$URL_JDK8"
+wget --content-disposition "$URL_JDK17"
+
+for file in *;
+do
+    mkdir temp
+
+    # Handle OpenJDK17 archive
+    re='(OpenJDK17U-jre_x64_linux_hotspot_17.(.*).tar.gz)'
+    if [[ $file =~ $re ]];
+    then
+        version=${BASH_REMATCH[2]}
+        version_edit=$(echo $version | sed -e 's/_/+/g')
+        dir_name=jdk-17.$version_edit-jre
+        echo $dir_name
+        mkdir jre17
+        tar -xzf $file -C temp
+        pushd temp/$dir_name
+        cp -r . ../../jre17
+        popd
+
+    fi
+
+    # Handle OpenJDK8 archive
+    re='(OpenJDK8U-jre_x64_linux_hotspot_8(.*).tar.gz)'
+    if [[ $file =~ $re ]];
+    then
+        version=${BASH_REMATCH[2]}
+        version_edit=$(echo $version | sed -e 's/b/-b/g')
+        dir_name=jdk8$version_edit-jre
+        mkdir jre8
+        tar -xzf $file -C temp
+        pushd temp/$dir_name
+        cp -r . ../../jre8
+        popd
+    fi
+
+    rm -rf temp
+done
+
+popd