pf4j/demo/plugins/plugin2/pom.xml

<?xml version="1.0"?>
<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">

    <parent>
        <groupId>org.pf4j.demo</groupId>
        <artifactId>pf4j-demo-plugins</artifactId>
        <version>1.4.0-SNAPSHOT</version>
    </parent>

    <modelVersion>4.0.0</modelVersion>
    <artifactId>pf4j-demo-plugin2</artifactId>
    <version>1.4.0-SNAPSHOT</version>
    <packaging>jar</packaging>
    <name>Demo Plugin #2</name>

    <properties>
        <plugin.id>hello-plugin</plugin.id>
        <plugin.class>org.pf4j.demo.hello.HelloPlugin</plugin.class>
        <plugin.version>0.0.1</plugin.version>
        <plugin.provider>Decebal Suiu</plugin.provider>
        <plugin.dependencies />
    </properties>

    <build>
        <plugins>
            <!-- DOESN'T WORK WITH MAVEN 3 (I defined the plugin metadata in properties section)
            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>properties-maven-plugin</artifactId>
                <version>1.0-alpha-2</version>
                <executions>
                    <execution>
                        <phase>initialize</phase>
                        <goals>
                            <goal>read-project-properties</goal>
                        </goals>
                        <configuration>
                            <files>
                                <file>plugin.properties</file>
                            </files>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
            -->

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-antrun-plugin</artifactId>
                <version>1.6</version>
                <executions>
                    <execution>
                        <id>unzip jar file</id>
                        <phase>package</phase>
                        <configuration>
                            <target>
                                <unzip src="target/${artifactId}-${version}.${packaging}" dest="target/plugin-classes" />
                            </target>
                        </configuration>
                        <goals>
                            <goal>run</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>

            <plugin>
                <artifactId>maven-assembly-plugin</artifactId>
                <version>2.3</version>
                <configuration>
                    <descriptors>
                        <descriptor>
                            src/main/assembly/assembly.xml
                        </descriptor>
                    </descriptors>
                    <appendAssemblyId>false</appendAssemblyId>
                </configuration>
                <executions>
                    <execution>
                        <id>make-assembly</id>
                        <phase>package</phase>
                        <goals>
                            <goal>attached</goal>
                        </goals>
                    </execution>
                </executions>
            </plugin>

            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-jar-plugin</artifactId>
                <version>2.4</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>
                </configuration>
            </plugin>

            <plugin>
                <artifactId>maven-deploy-plugin</artifactId>
                <configuration>
                    <skip>true</skip>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>