Update Travis to download correct GraalVM and run with jdk11 version.

Author: boris-spas

.travis.yml

@@ -5,21 +5,18 @@ os:
 language: java
 
 env:
-    - GRAALVM_VERSION="19.2.0"
+    - GRAALVM_VERSION="19.3.0" GRAALVM_JAVA_VERSION="8"
+    - GRAALVM_VERSION="19.3.0" GRAALVM_JAVA_VERSION="11"
 
 install:
+    - cd .. && mv simpletool "simple tool" && cd "simple tool"
     - |
-        cd .. && mv simpletool "simple tool" && cd "simple tool"
-        if [[ "$GRAALVM_VERSION" != "NONE" ]]; then
-          if [[ "$TRAVIS_OS_NAME" == "osx" ]];   then DOWNLOAD_OS_NAME="darwin"; fi
-          if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then DOWNLOAD_OS_NAME="linux"; fi
-          curl -LJ "https://github.com/oracle/graal/releases/download/vm-$GRAALVM_VERSION/graalvm-ce-$DOWNLOAD_OS_NAME-amd64-$GRAALVM_VERSION.tar.gz" --output graalvm.tar.gz
-          tar -xzf graalvm.tar.gz
-          export JAVA_HOME="$(pwd)/graalvm-ce-$GRAALVM_VERSION"
-          if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export JAVA_HOME="$JAVA_HOME/Contents/Home"; fi
-        else
-          if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export JAVA_HOME=$(/usr/libexec/java_home); fi
-        fi
+        if [[ "$TRAVIS_OS_NAME" == "osx" ]];   then DOWNLOAD_OS_NAME="darwin"; fi
+        if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then DOWNLOAD_OS_NAME="linux"; fi
+        curl -LJ "https://github.com/graalvm/graalvm-ce-builds/releases/download/vm-$GRAALVM_VERSION/graalvm-ce-java$GRAALVM_JAVA_VERSION-$DOWNLOAD_OS_NAME-amd64-$GRAALVM_VERSION.tar.gz" --output graalvm.tar.gz
+        tar -xzf graalvm.tar.gz
+        export JAVA_HOME="$(pwd)/graalvm-ce-java$GRAALVM_JAVA_VERSION-$GRAALVM_VERSION"
+        if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then export JAVA_HOME="$JAVA_HOME/Contents/Home"; fi
 
 script:
     - mvn package