JarPluginManager

JarFileFilter.java

package de.root1.kad.pf4j.util;

import ro.fortsoft.pf4j.util.ExtensionFileFilter;

/**
 * File filter that accepts all files ending with .JAR.
 * This filter is case insensitive.
 *
 * @author Alexander Christian
 */
public class JarFileFilter extends ExtensionFileFilter {

    /**
     * The extension that this filter will search for.
     */
    private static final String JAR_EXTENSION = ".JAR";

    public JarFileFilter() {
        super(JAR_EXTENSION);
    }

}

JarPluginClasspath.java

package de.root1.kad.pf4j;

import java.util.ArrayList;
import java.util.List;
import ro.fortsoft.pf4j.PluginClasspath;

public class JarPluginClasspath extends PluginClasspath {

    public JarPluginClasspath() {
        super();
    }

    protected void addResources() {
        classesDirectories.add(".");
    }

}

JarPluginManager.java

package de.root1.kad.pf4j;

import ro.fortsoft.pf4j.*;
import ro.fortsoft.pf4j.util.*;

public class JarPluginManager extends DefaultPluginManager {

    @Override
    protected PluginClasspath createPluginClasspath() {
        if (RuntimeMode.DEVELOPMENT.equals(getRuntimeMode())) {
            return new DevelopmentPluginClasspath();
        }

        return new JarPluginClasspath();
    }

    @Override
    protected PluginRepository createPluginRepository() {
        return new DefaultPluginRepository(pluginsDirectory, new JarFileFilter());
    }

}

pom.xml

<!-- plugin pom.xml: No additional assembly.xml required. Just use the "all-in-on-jar". -->
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

......

    <properties>
    <!-- PF4J Plugin Settings -->
        <plugin.id>knx-logic-plugin</plugin.id>
        <plugin.class>de.root1.kad.logicplugin.LogicPlugin</plugin.class>
        <plugin.version>1.0.0</plugin.version>
        <plugin.provider>AC</plugin.provider>
        <plugin.dependencies></plugin.dependencies>
        
    </properties>
    
.....

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-assembly-plugin</artifactId>
                <version>2.5.4</version>
                <configuration>
                    <archive>
                        <manifestEntries>
                            <Plugin-Id>${plugin.id}</Plugin-Id>
                            <Plugin-Class>${plugin.class}</Plugin-Class>
                            <Plugin-Version>${plugin.version}</Plugin-Version>
                            <Plugin-Provider>${plugin.provider}</Plugin-Provider>
                            <Plugin-Dependencies>${plugin.dependencies}</Plugin-Dependencies>
                        </manifestEntries>
                    </archive>
                    <descriptorRefs>
                        <descriptorRef>jar-with-dependencies</descriptorRef>
                    </descriptorRefs>
                </configuration>
                <!-- extend phase package to assembly the archives -->
                <executions>
                    <execution>
                        <id>make-assembly</id>
                        <phase>package</phase>
                        <goals>
                            <goal>single</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>	            
        </plugins>
    </build>
    
.....

</project>

Test.java

package de.root1.kad.pf4j;

public class Test {
    
    public static void main(String[] args) {
        JarPluginManager pm = new JarPluginManager();
        pm.loadPlugins();
        pm.startPlugins();
    }
    
}