[ci] Update openjdk to 11.0.6

Author: adangel

.travis/install-openjdk.sh

@@ -1,18 +1,27 @@
 #
-# AdoptOpenJDK Builds from:
-# https://github.com/AdoptOpenJDK/openjdk11-binaries/releases/tag/jdk-11.0.4%2B11
+# OpenJDK by AdoptOpenJDK (https://adoptopenjdk.net/)
 #
 
-DOWNLOAD_URL=https://github.com/AdoptOpenJDK/openjdk11-binaries/releases/download/jdk-11.0.4%2B11/OpenJDK11U-jdk_x64_linux_hotspot_11.0.4_11.tar.gz
+# VERSION_TAG e.g. "11.0.4+11" or "13+33"
+VERSION_TAG=11.0.6+10
+OPENJDK_MAJOR=${VERSION_TAG/.*/}
+OPENJDK_MAJOR=${OPENJDK_MAJOR/+*/}
+#BASE_URL=https://github.com/AdoptOpenJDK/openjdk${OPENJDK_MAJOR}-binaries/releases/download
+BASE_URL=https://pmd-code.org/openjdk
+
+
+DOWNLOAD_URL=${BASE_URL}/jdk-${VERSION_TAG/+/%2B}/OpenJDK${OPENJDK_MAJOR}U-jdk_x64_linux_hotspot_${VERSION_TAG/+/_}.tar.gz
+COMPONENTS_TO_STRIP=1 # e.g. openjdk-11.0.3+7/bin/java
+
 OPENJDK_ARCHIVE=$(basename $DOWNLOAD_URL)
 
 LOCAL_DIR=${HOME}/.cache/openjdk
 TARGET_DIR=${HOME}/openjdk11
 
 mkdir -p ${LOCAL_DIR}
 mkdir -p ${TARGET_DIR}
-wget --quiet --directory-prefix ${LOCAL_DIR} --timestamping --continue ${DOWNLOAD_URL}
-tar --extract --file ${LOCAL_DIR}/${OPENJDK_ARCHIVE} -C ${TARGET_DIR} --strip-components 1
+wget --directory-prefix ${LOCAL_DIR} --timestamping --continue ${DOWNLOAD_URL}
+tar --extract --file ${LOCAL_DIR}/${OPENJDK_ARCHIVE} -C ${TARGET_DIR} --strip-components=${COMPONENTS_TO_STRIP}
 
 export JAVA_HOME=${TARGET_DIR}
 export PATH=${JAVA_HOME}/bin:$PATH