first commit

16 files changed, 771 insertions, 0 deletions

diff --git a/demo/api/pom.xml b/demo/api/pom.xml
new file mode 100644
index 0000000..1514476
--- /dev/null
+++ b/demo/api/pom.xml
@@ -0,0 +1,44 @@
+<?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>pom</artifactId>
+        <version>0.1-SNAPSHOT</version>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>pf4j-demo-api</artifactId>
+    <version>0.1-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <name>Demo Api</name>
+
+    <licenses>
+        <license>
+            <name>The Apache Software License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-deploy-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+    
+    <dependencies>
+        <dependency>
+            <groupId>org.pf4j</groupId>
+            <artifactId>pf4j</artifactId>
+            <version>${project.version}</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+    
+</project>
diff --git a/demo/api/src/main/java/org/pf4j/demo/api/Greeting.java b/demo/api/src/main/java/org/pf4j/demo/api/Greeting.java
new file mode 100644
index 0000000..b21f80c
--- /dev/null
+++ b/demo/api/src/main/java/org/pf4j/demo/api/Greeting.java
@@ -0,0 +1,24 @@
+/*
+ * Copyright 2012 Decebal Suiu
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this work except in compliance with
+ * the License. You may obtain a copy of the License in the LICENSE file, or at:
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+package org.pf4j.demo.api;
+
+import org.pf4j.ExtensionPoint;
+
+/**
+ * @author Decebal Suiu
+ */
+public interface Greeting extends ExtensionPoint {
+
+    public String getGreeting();
+
+}
diff --git a/demo/app/pom.xml b/demo/app/pom.xml
new file mode 100644
index 0000000..d9084b1
--- /dev/null
+++ b/demo/app/pom.xml
@@ -0,0 +1,89 @@
+<?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>pom</artifactId>
+        <version>0.1-SNAPSHOT</version>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>pf4j-demo-app</artifactId>
+    <version>0.1-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <name>Demo App</name>
+    
+    <licenses>
+        <license>
+            <name>The Apache Software License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+
+    <properties>
+        <main.class>org.pf4j.demo.Boot</main.class>
+    </properties>
+    
+    <build>
+        <plugins>              
+            <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>2.3.1</version>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <addClasspath>true</addClasspath>
+                            <classpathPrefix>lib/</classpathPrefix>
+                            <mainClass>${main.class}</mainClass>
+                        </manifest>
+                    </archive>
+                </configuration>
+            </plugin>
+                        
+            <plugin>
+                <artifactId>maven-deploy-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.pf4j</groupId>
+            <artifactId>pf4j</artifactId>
+            <version>${project.version}</version>
+        </dependency>    
+        <dependency>
+            <groupId>org.pf4j.demo</groupId>
+            <artifactId>pf4j-demo-api</artifactId>
+            <version>${project.version}</version>
+        </dependency>        
+    </dependencies>
+    
+</project>
diff --git a/demo/app/src/main/assembly/assembly.xml b/demo/app/src/main/assembly/assembly.xml
new file mode 100644
index 0000000..1d9e8e4
--- /dev/null
+++ b/demo/app/src/main/assembly/assembly.xml
@@ -0,0 +1,32 @@
+<!--
+ Describes the dist
+  
+ @author Decebal Suiu
+ @version 1.0
+-->
+<assembly>
+	<id>plugin</id>
+	<formats>
+		<format>dir</format>
+	</formats>
+	<includeBaseDirectory>false</includeBaseDirectory>
+	<dependencySets>
+		<dependencySet>
+            <useProjectArtifact>false</useProjectArtifact>
+            <outputDirectory>lib</outputDirectory>
+            <includes>
+				<include>*:jar:*</include>
+			</includes>
+		</dependencySet>
+	</dependencySets>
+    <fileSets>
+        <fileSet>
+            <directory>${project.build.directory}</directory>
+            <outputDirectory></outputDirectory>
+            <includes>
+                <include>*.jar</include>
+            </includes>
+        </fileSet>
+    </fileSets>
+</assembly>
+
diff --git a/demo/app/src/main/java/org/pf4j/demo/Boot.java b/demo/app/src/main/java/org/pf4j/demo/Boot.java
new file mode 100644
index 0000000..b34af53
--- /dev/null
+++ b/demo/app/src/main/java/org/pf4j/demo/Boot.java
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2012 Decebal Suiu
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this work except in compliance with
+ * the License. You may obtain a copy of the License in the LICENSE file, or at:
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+package org.pf4j.demo;
+
+import java.util.List;
+
+import org.apache.commons.lang.StringUtils;
+import org.pf4j.DefaultPluginManager;
+import org.pf4j.ExtensionWrapper;
+import org.pf4j.PluginManager;
+import org.pf4j.demo.api.Greeting;
+
+/**
+ * A boot class that start the demo.
+ *
+ * @author Decebal Suiu
+ */
+public class Boot {
+
+    public static void main(String[] args) {
+    	// print logo
+    	printLogo();
+    	
+        // load and start (active/resolved) plugins
+        final PluginManager pluginManager = new DefaultPluginManager();
+        pluginManager.loadPlugins();
+        pluginManager.startPlugins();
+        
+        List<ExtensionWrapper<Greeting>> greetings = pluginManager.getExtensions(Greeting.class);
+        for (ExtensionWrapper<Greeting> greeting : greetings) {
+        	System.out.println(">>> " + greeting.getInstance().getGreeting());
+        }
+        
+        pluginManager.stopPlugins();
+        /*
+        Runtime.getRuntime().addShutdownHook(new Thread() {
+
+			@Override
+			public void run() {
+				pluginManager.stopPlugins();
+			}
+        	
+        });
+        */
+    }
+
+	private static void printLogo() {
+    	System.out.println(StringUtils.repeat("#", 40));
+    	System.out.println(StringUtils.center("PF4J-DEMO", 40));
+    	System.out.println(StringUtils.repeat("#", 40));		
+	}
+
+}
diff --git a/demo/app/src/main/resources/log4j.properties b/demo/app/src/main/resources/log4j.properties
new file mode 100644
index 0000000..b3e5aa8
--- /dev/null
+++ b/demo/app/src/main/resources/log4j.properties
@@ -0,0 +1,10 @@
+log4j.rootLogger=DEBUG,Console
+
+log4j.appender.Console=org.apache.log4j.ConsoleAppender
+log4j.appender.Console.layout=org.apache.log4j.PatternLayout
+log4j.appender.Console.layout.conversionPattern=%-5p - %-26.26c{1} - %m\n
+
+log4j.logger.org.apache.wicket=INFO
+log4j.logger.org.apache.wicket.protocol.http.HttpSessionStore=INFO
+log4j.logger.org.apache.wicket.version=INFO
+log4j.logger.org.apache.wicket.RequestCycle=INFO
diff --git a/demo/app/src/main/resources/logging.properties b/demo/app/src/main/resources/logging.properties
new file mode 100644
index 0000000..6fe7cef
--- /dev/null
+++ b/demo/app/src/main/resources/logging.properties
@@ -0,0 +1,8 @@
+#handlers = java.util.logging.ConsoleHandler
+handlers = org.slf4j.bridge.SLF4JBridgeHandler
+
+# Set the default logging level for the root logger
+.level = ALL
+
+# Set the default formatter for new ConsoleHandler instances
+java.util.logging.ConsoleHandler.formatter = java.util.logging.SimpleFormatter
diff --git a/demo/plugin1/plugin.properties b/demo/plugin1/plugin.properties
new file mode 100644
index 0000000..9da9bcc
--- /dev/null
+++ b/demo/plugin1/plugin.properties
@@ -0,0 +1,5 @@
+plugin.id=welcome-plugin
+plugin.class=org.pf4j.demo.welcome.WelcomePlugin
+plugin.version=0.0.1
+plugin.provider=Decebal Suiu
+plugin.dependencies=
diff --git a/demo/plugin1/pom.xml b/demo/plugin1/pom.xml
new file mode 100644
index 0000000..10c1163
--- /dev/null
+++ b/demo/plugin1/pom.xml
@@ -0,0 +1,127 @@
+<?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>pom</artifactId>
+        <version>0.1-SNAPSHOT</version>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>pf4j-demo-plugin1</artifactId>
+    <version>0.1-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <name>Demo Plugin #1</name>
+
+    <licenses>
+        <license>
+            <name>The Apache Software License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+
+    <build>
+        <plugins>
+            <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>
+			    <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>${plugin.dependencies}</Plugin-Dependencies>
+			            </manifestEntries>
+			        </archive>
+			    </configuration>
+			</plugin>
+
+            <plugin>
+                <artifactId>maven-deploy-plugin</artifactId>
+                <configuration>
+                    <skip>true</skip>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+        
+    <dependencies>
+        <dependency>
+            <groupId>org.pf4j</groupId>
+            <artifactId>pf4j</artifactId>
+            <version>${project.version}</version>
+            <scope>provided</scope>
+        </dependency>    
+        <dependency>
+            <groupId>org.pf4j.demo</groupId>
+            <artifactId>pf4j-demo-api</artifactId>
+            <version>${project.version}</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+</project>
diff --git a/demo/plugin1/src/main/assembly/assembly.xml b/demo/plugin1/src/main/assembly/assembly.xml
new file mode 100644
index 0000000..3fdc464
--- /dev/null
+++ b/demo/plugin1/src/main/assembly/assembly.xml
@@ -0,0 +1,37 @@
+<!--
+ Describes the plugin archive
+  
+ @author Decebal Suiu
+ @version 1.0
+-->
+<assembly>
+	<id>plugin</id>
+	<formats>
+		<format>zip</format>
+	</formats>
+	<includeBaseDirectory>false</includeBaseDirectory>
+	<dependencySets>
+		<dependencySet>
+            <useProjectArtifact>false</useProjectArtifact>
+            <scope>runtime</scope>
+			<outputDirectory>lib</outputDirectory>
+			<includes>
+				<include>*:jar:*</include>
+			</includes>
+		</dependencySet>
+	</dependencySets>
+    <!--
+    <fileSets>
+        <fileSet>
+            <directory>target/classes</directory>
+            <outputDirectory>classes</outputDirectory>
+        </fileSet>
+    </fileSets>
+    -->
+	<fileSets>
+		<fileSet>
+			<directory>target/plugin-classes</directory>
+			<outputDirectory>classes</outputDirectory>
+		</fileSet>
+	</fileSets>
+</assembly>
diff --git a/demo/plugin1/src/main/java/org/pf4j/demo/welcome/WelcomePlugin.java b/demo/plugin1/src/main/java/org/pf4j/demo/welcome/WelcomePlugin.java
new file mode 100644
index 0000000..22ebf7d
--- /dev/null
+++ b/demo/plugin1/src/main/java/org/pf4j/demo/welcome/WelcomePlugin.java
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2012 Decebal Suiu
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this work except in compliance with
+ * the License. You may obtain a copy of the License in the LICENSE file, or at:
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+package org.pf4j.demo.welcome;
+
+import org.pf4j.Extension;
+import org.pf4j.Plugin;
+import org.pf4j.PluginWrapper;
+import org.pf4j.demo.api.Greeting;
+
+/**
+ * @author Decebal Suiu
+ */
+public class WelcomePlugin extends Plugin {
+
+    public WelcomePlugin(PluginWrapper wrapper) {
+        super(wrapper);
+    }
+
+    public void start() {
+        System.out.println("WelcomePlugin.start()");
+    }
+
+    public void stop() {
+        System.out.println("WelcomePlugin.stop()");
+    }
+
+    @Extension
+    public static class WelcomeGreeting implements Greeting {
+
+        public String getGreeting() {
+            return "Welcome";
+        }
+
+    }
+
+}
diff --git a/demo/plugin2/plugin.properties b/demo/plugin2/plugin.properties
new file mode 100644
index 0000000..60b6f33
--- /dev/null
+++ b/demo/plugin2/plugin.properties
@@ -0,0 +1,5 @@
+plugin.id=hello-plugin
+plugin.class=org.pf4j.demo.hello.HelloPlugin
+plugin.version=0.0.1
+plugin.provider=Decebal Suiu
+plugin.dependencies=
diff --git a/demo/plugin2/pom.xml b/demo/plugin2/pom.xml
new file mode 100644
index 0000000..7f4f617
--- /dev/null
+++ b/demo/plugin2/pom.xml
@@ -0,0 +1,136 @@
+<?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>pom</artifactId>
+        <version>0.1-SNAPSHOT</version>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <artifactId>pf4j-demo-plugin2</artifactId>
+    <version>0.1-SNAPSHOT</version>
+    <packaging>jar</packaging>
+    <name>Demo Plugin #2</name>
+
+    <licenses>
+        <license>
+            <name>The Apache Software License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+
+    <build>
+        <plugins>
+            <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>
+                    <appendAssemblyId>false</appendAssemblyId>
+                    <descriptors>
+                        <descriptor>
+                            src/main/assembly/assembly.xml
+                        </descriptor>
+                    </descriptors>
+                    <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>${plugin.dependencies}</Plugin-Dependencies>
+                        </manifestEntries>
+                    </archive>                    
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>make-assembly</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>single</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <configuration>
+                    <archive>
+                        <manifestEntries>
+                            <Plugin-Id>${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>
+        
+    <dependencies>
+        <dependency>
+            <groupId>org.pf4j</groupId>
+            <artifactId>pf4j</artifactId>
+            <version>${project.version}</version>
+            <scope>provided</scope>
+        </dependency>    
+        <dependency>
+            <groupId>org.pf4j.demo</groupId>
+            <artifactId>pf4j-demo-api</artifactId>
+            <version>${project.version}</version>
+            <scope>provided</scope>
+        </dependency>
+    </dependencies>
+
+</project>
diff --git a/demo/plugin2/src/main/assembly/assembly.xml b/demo/plugin2/src/main/assembly/assembly.xml
new file mode 100644
index 0000000..5cefe0d
--- /dev/null
+++ b/demo/plugin2/src/main/assembly/assembly.xml
@@ -0,0 +1,37 @@
+<!--
+ Describes the plugin archive
+  
+ @author Decebal Suiu
+ @version 1.0
+-->
+<assembly>
+	<id>plugin</id>
+	<formats>
+		<format>zip</format>
+	</formats>
+	<includeBaseDirectory>false</includeBaseDirectory>
+	<dependencySets>
+		<dependencySet>
+            <useProjectArtifact>false</useProjectArtifact>
+            <scope>runtime</scope>
+			<outputDirectory>lib</outputDirectory>
+			<includes>
+				<include>*:jar:*</include>
+			</includes>
+		</dependencySet>
+	</dependencySets>
+    <!--
+	<fileSets>
+		<fileSet>
+			<directory>target/classes</directory>
+			<outputDirectory>classes</outputDirectory>
+		</fileSet>
+	</fileSets>
+    -->
+    <fileSets>
+        <fileSet>
+            <directory>target/plugin-classes</directory>
+            <outputDirectory>classes</outputDirectory>
+        </fileSet>
+    </fileSets>
+</assembly>
diff --git a/demo/plugin2/src/main/java/org/pf4j/demo/hello/HelloPlugin.java b/demo/plugin2/src/main/java/org/pf4j/demo/hello/HelloPlugin.java
new file mode 100644
index 0000000..ad7fd0c
--- /dev/null
+++ b/demo/plugin2/src/main/java/org/pf4j/demo/hello/HelloPlugin.java
@@ -0,0 +1,48 @@
+/*
+ * Copyright 2012 Decebal Suiu
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this work except in compliance with
+ * the License. You may obtain a copy of the License in the LICENSE file, or at:
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
+package org.pf4j.demo.hello;
+
+import org.pf4j.Extension;
+import org.pf4j.Plugin;
+import org.pf4j.PluginWrapper;
+import org.pf4j.demo.api.Greeting;
+
+/**
+ * A very simple plugin.
+ *
+ * @author Decebal Suiu
+ */
+public class HelloPlugin extends Plugin {
+
+    public HelloPlugin(PluginWrapper wrapper) {
+        super(wrapper);
+    }
+
+    public void start() {
+        System.out.println("HelloPlugin.start()");
+    }
+
+    public void stop() {
+        System.out.println("HelloPlugin.stop()");
+    }
+
+    @Extension
+    public static class HelloGreeting implements Greeting {
+
+        public String getGreeting() {
+            return "Hello";
+        }
+
+    }
+
+}
diff --git a/demo/pom.xml b/demo/pom.xml
new file mode 100644
index 0000000..dbb029a
--- /dev/null
+++ b/demo/pom.xml
@@ -0,0 +1,60 @@
+<?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</groupId>
+        <artifactId>pom</artifactId>
+        <version>0.1-SNAPSHOT</version>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+    <groupId>org.pf4j.demo</groupId>
+    <artifactId>pom</artifactId>
+    <version>0.1-SNAPSHOT</version>
+    <packaging>pom</packaging>
+    <name>PF4J Demo</name>
+
+    <licenses>
+        <license>
+            <name>The Apache Software License, Version 2.0</name>
+            <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+            <distribution>repo</distribution>
+        </license>
+    </licenses>
+
+    <build>
+        <resources>
+            <resource>
+                <filtering>false</filtering>
+                <directory>src/main/java</directory>
+                <excludes>
+                    <exclude>**/*.java</exclude>
+                </excludes>
+            </resource>
+            <resource>
+                <directory>src/main/resources</directory>
+            </resource>
+        </resources>
+
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>2.3.2</version>
+                <configuration>
+                    <source>1.6</source>
+                    <target>1.6</target>
+                    <optimize>true</optimize>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <modules>
+        <module>app</module>
+        <module>api</module>
+        <module>plugin1</module>
+        <module>plugin2</module>
+    </modules>
+
+</project>