start work on GenerateNativeImage

Author: Osiris-Team

src/main/java/io/github/fvarrui/javapackager/packagers/Context.java

@@ -28,7 +28,10 @@ public Context() {
 		getInstallerGenerators(Platform.windows).add(new GenerateSetup());
 		getInstallerGenerators(Platform.windows).add(new GenerateMsm());
 		getInstallerGenerators(Platform.windows).add(new GenerateMsi());
-		
+
+		getInstallerGenerators(Platform.linux).add(new GenerateNativeImage());
+		getInstallerGenerators(Platform.mac).add(new GenerateNativeImage());
+		getInstallerGenerators(Platform.windows).add(new GenerateNativeImage());
 	}
 
 	// common properties

src/main/java/io/github/fvarrui/javapackager/packagers/GenerateNativeImage.java

@@ -0,0 +1,51 @@
+package io.github.fvarrui.javapackager.packagers;
+
+import io.github.fvarrui.javapackager.utils.Const;
+import io.github.fvarrui.javapackager.utils.Logger;
+import io.github.fvarrui.javapackager.utils.VelocityUtils;
+import io.github.fvarrui.javapackager.utils.XMLUtils;
+
+import java.io.File;
+import java.util.Objects;
+
+import static io.github.fvarrui.javapackager.utils.CommandUtils.execute;
+
+/**
+ * Creates a MSI file including all app folder's content only for
+ * Windows so app could be easily distributed
+ */
+public class GenerateNativeImage extends ArtifactGenerator<Packager> {
+
+	public GenerateNativeImage() {
+		super("Native Image");
+	}
+
+	@Override
+	public boolean skip(Packager packager) {
+		
+		if (!packager.task.isNativeImage()) {
+			return true;
+		}
+		
+		if (!Objects.equals(packager.task.getJdkVendor(), Const.graalvm)) {
+			Logger.warn(getArtifactName() + " cannot be generated because '"+Const.graalvm +"' was expected as jdkVendor, but provided '"+packager.task.getJdkVendor()+"'!");
+			return true;
+		}
+		
+		return false;		
+	}
+	
+	@Override
+	protected File doApply(Packager packager) throws Exception {
+
+		File assetsFolder = packager.getAssetsFolder();
+		String name = packager.task.getAppName();
+		File outputDirectory = packager.task.getOutputDirectory();
+		String version = packager.task.getVersion();
+		
+		//TODO
+		
+		return null;
+	}
+	
+}

src/main/java/io/github/fvarrui/javapackager/utils/Const.java

@@ -0,0 +1,6 @@
+package io.github.fvarrui.javapackager.utils;
+
+public class Const {
+    public static final String graalvm = "graalvm";
+    public static final String adoptium = "adoptium";
+}