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Maven plugin for JavaFX

Maven plugin to run JavaFX 11+ applications

Install

The plugin is available via Maven Central.

In case you want to build and install the latest snapshot, you can clone the project, set JDK 11 and run

mvn install

Usage

Create a new Maven project, use an existing one like HelloFX, or use an archetype.

The project can be modular or non-modular.

JavaFX dependencies are added as usual:

<dependency>
    <groupId>org.openjfx</groupId>
    <artifactId>javafx-controls</artifactId>
    <version>12.0.2</version>
</dependency>

Add the plugin:

<plugin>
    <groupId>org.openjfx</groupId>
    <artifactId>javafx-maven-plugin</artifactId>
    <version>0.0.8</version>
    <configuration>
        <mainClass>hellofx/org.openjfx.App</mainClass>
    </configuration>
</plugin>

Compile the project:

mvn compile

This step is optional and can be configured using the maven-compiler-plugin.

Run the project:

mvn javafx:run

For modular projects, create and run a custom image:

mvn javafx:jlink

target/image/bin/java -m hellofx/org.openjfx.App

javafx:run options

The plugin includes by default: --module-path, --add-modules and -classpath options.

Optionally, the configuration can be modified with:

• mainClass: The main class, fully qualified name, with or without module name

• workingDirectory: The current working directory

• skip: Skip the execution. Values: false (default), true

• outputFile: File to redirect the process output

• options: A list of VM options passed to the executable.

• commandlineArgs: Arguments separated by space for the executed program

• includePathExceptionsInClasspath: When resolving the module-path, setting this value to true will include the dependencies that generate path exceptions in the classpath. By default, the value is false, and these dependencies won't be included.

• runtimePathOption: By default, the plugin will place each dependency either on modulepath or on classpath (based on certain factors). When runtimePathOption configuration is set, the plugin will place all the dependencies on either modulepath or classpath.

  If set as MODULEPATH, a module descriptor is required. All dependencies need to be either modularized or contain an Automatic-Module-Name.

  If set as CLASSPATH, a Launcher class (like this one) is required to run a JavaFX application. Also, if a module-info descriptor is present, it will be ignored.

  Values: MODULEPATH or CLASSPATH.

This plugin supports Maven toolchains using the "jdk" tool.

Example

The following configuration adds some VM options, and a command line argument:

<plugin>
    <groupId>org.openjfx</groupId>
    <artifactId>javafx-maven-plugin</artifactId>
    <version>0.0.8</version>
    <configuration>
        <mainClass>org.openjfx.hellofx/org.openjfx.App</mainClass>
        <options>
            <option>-Dbar=${bar}</option>
            <option>--add-opens</option>
            <option>java.base/java.lang=org.openjfx.hellofx</option>
        </options>
        <commandlineArgs>foo</commandlineArgs>
    </configuration>
</plugin>

When running maven with

mvn -Dbar=myBar javafx:run

it will be processed by the main method like:

public static void main(String[] args) {
    if (args.length > 0 && "foo".equals(args[0])) {
        // do something
    }
    if ("myBar".equals(System.getProperty("bar"))) {
        // do something
    }
    launch();
}

Note that the evaluation of System.getProperty("bar") can happen in any other place in the code.

Note

It is possible to use a local SDK instead of Maven Central. This is helpful for developers trying to test a local build of OpenJFX. Since transitive dependencies are not resolved, all the required jars needs to be added as a separate dependency, like:

<properties>
    <sdk>/path/to/javafx-sdk</sdk>
</properties>

<dependencies>
    <dependency>
        <groupId>org.openjfx</groupId>
        <artifactId>javafx.base</artifactId>
        <version>1.0</version>
        <scope>system</scope>
        <systemPath>${sdk}/lib/javafx.base.jar</systemPath>
    </dependency>
    ...
</dependencies>

javafx:jlink options

The same command line options for jlink can be set:

• stripDebug: Strips debug information out. Values: false (default) or true
• stripJavaDebugAttributes: Strip Java debug attributes out (since Java 13), Values: false (default) or true
• compress: Compression level of the resources being used. Values: 0 (default), 1, 2.
• noHeaderFiles: Removes the includes directory in the resulting runtime image. Values: false (default) or true
• noManPages: Removes the man directory in the resulting runtime image. Values: false (default) or true
• bindServices: Adds the option to bind services. Values: false (default) or true
• ignoreSigningInformation: Adds the option to ignore signing information. Values: false (default) or true
• jlinkVerbose: Adds the verbose option. Values: false (default) or true
• launcher: Adds a launcher script with the given name.
  • If options are defined, these will be passed to the launcher script as vm options.
  • If commandLineArgs are defined, these will be passed to the launcher script as command line arguments.
• jlinkImageName: The name of the folder with the resulting runtime image
• jlinkZipName: When set, creates a zip of the resulting runtime image
• jlinkExecutable: The jlink executable. It can be a full path or the name of the executable, if it is in the PATH.
• jmodsPath: When using a local JavaFX SDK, sets the path to the local JavaFX jmods

For instance, with the following configuration:

<plugin>
    <groupId>org.openjfx</groupId>
    <artifactId>javafx-maven-plugin</artifactId>
    <version>0.0.8</version>
    <configuration>
        <stripDebug>true</stripDebug>
        <compress>2</compress>
        <noHeaderFiles>true</noHeaderFiles>
        <noManPages>true</noManPages>
        <launcher>hellofx</launcher>
        <jlinkImageName>hello</jlinkImageName>
        <jlinkZipName>hellozip</jlinkZipName>
        <mainClass>hellofx/org.openjfx.MainApp</mainClass>
    </configuration>
</plugin>

A custom image can be created and run as:

mvn clean javafx:jlink

target/hello/bin/hellofx

Issues and Contributions

Issues can be reported to the Issue tracker.

Contributions can be submitted via Pull requests, providing you have signed the Gluon Individual Contributor License Agreement (CLA).