added script to build native using graalvm

build-native-image.sh

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+
+# Compiles a standalone stencil application to a native executable using GraalVM.
+
+set -e
+
+# cd to script dir
+cd "$(dirname "$0")"
+
+# check if native-image command is available
+hash native-image 2>/dev/null || { echo >&2 "Missing native-image command. Aborting."; exit 1; }
+
+# check if strip command is available
+hash strip 2>/dev/null || { echo >&2 "Missing strip command. Aborting."; exit 2; }
+
+# check if uberjar has been compiled so far
+TARGET_JAR=$(echo target/*-standalone.jar)
+
+if [ ! -f "$TARGET_JAR" ]
+then
+    echo "Stencil standalone is not compiled. Compile it first!"
+    exit 4
+fi
+
+OUTPUT=stencil-native
+
+# build it
+native-image \
+    -jar $TARGET_JAR \
+    -H:ReflectionConfigurationFiles=./reflectconfig \
+    -H:IncludeResources='.*.txt$' \
+    --report-unsupported-elements-at-runtime \
+    $OUTPUT
+
+# remove unused symbols and sections
+strip $OUTPUT
+
+echo "Generated $OUTPUT file!"

reflectconfig

@@ -0,0 +1,14 @@
+[
+  {
+    "name" : "com.sun.xml.internal.stream.XMLInputFactoryImpl",
+    "methods" : [
+      { "name" : "<init>", "parameterTypes" : [] }
+    ]
+  },
+  {
+    "name" : "com.sun.xml.internal.stream.XMLOutputFactoryImpl",
+    "methods" : [
+      { "name" : "<init>", "parameterTypes" : [] }
+    ]
+  }
+]