Added support for adding default launch arguments

Author: bleuthoot-sven

README.md

@@ -145,7 +145,7 @@ By default it will generate next artifacts in `${outputDirectory} ` folder:
 ### Plugin configuration properties
 
 | Property                   | Mandatory          | Default value                                                                                                                                      | Description                                                                                                                                                                               |
-| -------------------------- | ------------------ | -------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+|----------------------------|--------------------|----------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | `additionalModulePaths`    | :x:                | `[]`                                                                                                                                               | Additional module paths for `jdeps`.                                                                                                                                                      |
 | `additionalModules`        | :x:                | `[]`                                                                                                                                               | Additional modules to the ones identified by `jdeps` or the specified with `modules` property.                                                                                            |
 | `additionalResources`      | :x:                | `[]`                                                                                                                                               | Additional files and folders to include in the bundled app.                                                                                                                               |
@@ -186,6 +186,7 @@ By default it will generate next artifacts in `${outputDirectory} ` folder:
 | `useResourcesAsWorkingDir` | :x:                | `true`                                                                                                                                             | Uses app resources folder as default working directory (always `true` on MacOS).                                                                                                          |
 | `version`                  | :x:                | `${project.version}`                                                                                                                               | App version.                                                                                                                                                                              |
 | `vmArgs`                   | :x:                | `[]`                                                                                                                                               | VM arguments.                                                                                                                                                                             |
+| `appArgs`                  | :x:                | `[]`                                                                                                                                               | Additional arguments when launching the application                                                                                                                                       |
 
 > [!IMPORTANT]
 > Some default values depends on the used building tool.

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

@@ -445,6 +445,18 @@ public void setVmArgs(List<String> vmArgs) {
 		this.vmArgs = vmArgs;
 	}
 
+	@Input
+	@Optional
+	private List<String> appArgs;
+
+	public List<String> getAppArgs() {
+		return appArgs;
+	}
+
+	public void setAppArgs(List<String> appArgs) {
+		this.appArgs = appArgs;
+	}
+
 	@Input
 	@Optional
 	private WindowsConfig winConfig;
@@ -656,6 +668,7 @@ protected Packager createPackager() throws Exception {
 					.url(defaultIfNull(url, extension.getUrl()))
 					.version(defaultIfNull(version, extension.getVersion(), getProject().getVersion().toString()))
 					.vmArgs(defaultIfNull(vmArgs, extension.getVmArgs()))
+					.appArgs(defaultIfNull(appArgs, extension.getAppArgs()))
 					.winConfig(defaultIfNull(winConfig, extension.getWinConfig()));
 
 	}

src/main/java/io/github/fvarrui/javapackager/maven/PackageMojo.java

@@ -199,6 +199,12 @@ public class PackageMojo extends AbstractMojo {
 	 */	
 	@Parameter(property = "vmArgs", required = false)
 	private List<String> vmArgs;
+
+	/**
+	 * Additional arguments to provide to the application
+	 */
+	@Parameter(property = "appArgs", readonly = false)
+	private List<String> appArgs;
 
 	/**
 	 * Provide your own runnable .jar (for example, a shaded .jar) instead of letting this plugin create one via
@@ -387,6 +393,7 @@ public void execute() throws MojoExecutionException {
 						.url(url)
 						.version(version)
 						.vmArgs(vmArgs)
+						.appArgs(appArgs)
 						.winConfig(winConfig);
 
 			// generate app, installers and bundles

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

@@ -48,6 +48,7 @@ public class PackagerSettings {
 	protected Platform platform;
 	protected String envPath;
 	protected List<String> vmArgs;
+	protected List<String> appArgs;
 	protected File runnableJar;
 	protected Boolean copyDependencies;
 	protected String jreDirectoryName;
@@ -279,6 +280,14 @@ public List<String> getVmArgs() {
 		return vmArgs;
 	}
 
+	/**
+	 * Get application args
+	 * @return Application args
+	 */
+	public List<String> getAppArgs() {
+		return appArgs;
+	}
+
 	/**
 	 * Get runnable JAR
 	 * @return Runnable JAR
@@ -685,6 +694,11 @@ public PackagerSettings vmArgs(List<String> vmArgs) {
 		return this;
 	}
 
+	public PackagerSettings appArgs(List<String> appArgs) {
+		this.appArgs = new ArrayList<>(appArgs);
+		return this;
+	}
+
 	/**
 	 * Set runnable JAR
 	 * @param runnableJar Runnable JAR

src/main/resources/linux/startup.sh.vtl

@@ -1,4 +1,5 @@
 #set ($vmArgs = $StringUtils.join($info.vmArgs, " "))
+#set ($appArgs = $StringUtils.join($info.appArgs, " "))
 #!/usr/bin/env bash
 # GNU/Linux startup script generated by JavaPackager plugin
 
@@ -72,6 +73,8 @@ JVMClassPath="$BINARY"
 JVMClassPath+=":${classpath}"
 #end
 
+AppArguments="${appArgs}"
+
 #if ($info.useResourcesAsWorkingDir)
 cd "$SCRIPTPATH"
 #end
@@ -82,8 +85,8 @@ Bootstrap="$SCRIPTPATH/scripts/${info.bootstrapFile.name}" && [ -x "$Bootstrap"
 #end
 
 #if ($info.administratorRequired)
-pkexec env DISPLAY=$DISPLAY XAUTHORITY=$XAUTHORITY GDKBACKEND=x11 "${JAVA}" ${JVMDefaultOptions} -jar "${JVMClassPath}" $@
+pkexec env DISPLAY=$DISPLAY XAUTHORITY=$XAUTHORITY GDKBACKEND=x11 "${JAVA}" ${JVMDefaultOptions} -jar "${JVMClassPath}" ${AppArguments} $@
 #else
-"${JAVA}" ${JVMDefaultOptions} -jar "${JVMClassPath}" $@
+"${JAVA}" ${JVMDefaultOptions} -jar "${JVMClassPath}" ${AppArguments} $@
 #end
 exit 0

src/main/resources/mac/Info.plist.vtl

@@ -124,6 +124,14 @@
 			<false/>
 #end
 		</dict>
+#if ($info.appArgs)
+        <key>Arguments</key>
+        <array>
+#foreach ($appArg in $info.appArgs)
+            <string>$appArg</string>
+#end
+        </array>
+#end
 		<key>LSEnvironment</key>
 		<dict>
 #if ($info.bundleJre)