added nativeImage option to config and readme

Author: Osiris-Team

README.md

@@ -173,6 +173,7 @@ By default it will generate next artifacts in `${outputDirectory} ` folder:
 | `extra`                    | :x:                |                                                                                                                                                    | Map with extra properties to be used in customized Velocity templates, accesible through `$info.extra` variable.                                                                          |
 | `fileAssociations`         | :x:                | [`FileAssociation[]`](https://github.com/fvarrui/JavaPackager/blob/master/src/main/java/io/github/fvarrui/javapackager/model/FileAssociation.java) | Associate file extensions or MIME types to the app.                                                                                                                                       |
 | `forceInstaller`           | :x:                | `false`                                                                                                                                            | If `true`, skips operating system check when generating installers.                                                                                                                       |
+| `nativeImage`              | :x:                | `false`                                                                                                                                            | If `true`, generates a native-image. Note that `jdkVendor` must be set to `graalvm` for this to work.                                                                                                                      |
 | `generateInstaller`        | :x:                | `true`                                                                                                                                             | Generates an installer for the app.                                                                                                                                                       |
 | `jdkVersion`               | :x:                | `17`                                                                                                                                               | JDK version to download and use. Available versions for [adoptium](https://api.adoptium.net/v3/info/available_releases).                                                                  |
 | `jdkVendor`                | :x:                | `adoptium`                                                                                                                                         | JDK vendor to download the JDK from. Currently supported: `adoptium`                                                                                                                      |

src/main/java/io/github/fvarrui/javapackager/PackageTask.java

@@ -52,6 +52,13 @@ public class PackageTask {
     @Input
     @Optional
     protected Boolean forceInstaller;
+    /**
+     * If true generates a native-image. Note that {@link #jdkVendor} must be set to graalvm for this to work.
+     */
+    @Parameter(property = "nativeImage")
+    @Input
+    @Optional
+    protected Boolean nativeImage;
     /**
      * Full path to your app main class.
      */
@@ -356,6 +363,7 @@ public PackageTask() {
         this.manifest = new Manifest();
         this.modules = new ArrayList<>();
         this.forceInstaller = false;
+        this.nativeImage = false;
         this.mainClass = "${exec.mainClass}"; //TODO gradle?
         //this.appName = (isGradle ? gradleProject.getName() : "${project.name}");
         //this.appDisplayName = (isGradle ? gradleProject.getName() : "${project.name}");
@@ -451,6 +459,10 @@ public Boolean isForceInstaller() {
         return forceInstaller;
     }
 
+    public Boolean isNativeImage() {
+        return nativeImage;
+    }
+
     /**
      * Get main class
      *
@@ -870,6 +882,11 @@ public PackageTask forceInstaller(Boolean forceInstaller) {
         return this;
     }
 
+    public PackageTask nativeImage(Boolean nativeImage) {
+        this.nativeImage = nativeImage;
+        return this;
+    }
+
     /**
      * Set main class
      *