Index: applications/editors/josm/plugins/smed/src/smed/plug/ifc/SmedPluggable.java.mine
===================================================================
--- applications/editors/josm/plugins/smed/src/smed/plug/ifc/SmedPluggable.java.mine	(revision 23195)
+++ applications/editors/josm/plugins/smed/src/smed/plug/ifc/SmedPluggable.java.mine	(revision 23195)
@@ -0,0 +1,16 @@
+package smed.plug.ifc;
+
+import javax.swing.JComponent;
+
+
+public interface SmedPluggable {
+
+	boolean start();
+	boolean stop();
+	String getName();
+	String getInfo();
+	JComponent getComponent();
+	
+	void setPluginManager(SmedPluginManager manager);
+}
+
Index: applications/editors/josm/plugins/smed/src/smed/plug/util/SmedPluginLoader.java.mine
===================================================================
--- applications/editors/josm/plugins/smed/src/smed/plug/util/SmedPluginLoader.java.mine	(revision 23195)
+++ applications/editors/josm/plugins/smed/src/smed/plug/util/SmedPluginLoader.java.mine	(revision 23195)
@@ -0,0 +1,110 @@
+package smed.plug.util;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+import java.util.jar.JarEntry;
+import java.util.jar.JarInputStream;
+
+import smed.plug.ifc.SmedPluggable;
+
+
+public class SmedPluginLoader {
+
+	public static List<SmedPluggable> loadPlugins(File plugDir) throws IOException {
+		File[] plugJars = plugDir.listFiles(new JARFileFilter());
+		Arrays.sort(plugJars);
+		
+		URL[] urls = fileArrayToURLArray(plugJars);
+		if(urls == null) return null;
+		
+		ClassLoader cl = new URLClassLoader(urls);
+		List<Class<SmedPluggable>> plugClasses = extractClassesFromJARs(plugJars, cl);
+		
+		if(plugClasses == null) return null;
+		else return createPluggableObjects(plugClasses);
+	}
+
+	private static List<SmedPluggable> createPluggableObjects(List<Class<SmedPluggable>> pluggables) {
+		List<SmedPluggable> plugs = new ArrayList<SmedPluggable>(pluggables.size());
+		for(Class<SmedPluggable> plug : pluggables) {
+			try {
+				plugs.add(plug.newInstance());
+			} catch (InstantiationException e) {
+				System.err.println("Can't instantiate plugin: " + plug.getName());
+				e.printStackTrace();
+			} catch (IllegalAccessException e) {
+				System.err.println("IllegalAccess for plugin: " + plug.getName());
+				e.printStackTrace();
+			}
+		}
+		
+		return plugs;
+	}
+
+	private static List<Class<SmedPluggable>> extractClassesFromJARs(File[] jars, ClassLoader cl) throws FileNotFoundException, IOException {
+		List<Class<SmedPluggable>> classes = new ArrayList<Class<SmedPluggable>>();
+		
+		for(File jar : jars) {
+			classes.addAll(extractClassesFromJAR(jar, cl));
+		}
+
+		if(classes.isEmpty()) return null;
+		else return classes;
+	}
+
+	@SuppressWarnings("unchecked")
+	private static Collection<? extends Class<SmedPluggable>> extractClassesFromJAR (File jar, ClassLoader cl) throws FileNotFoundException, IOException {
+		List<Class<SmedPluggable>> classes = new ArrayList<Class<SmedPluggable>>();
+		JarInputStream jaris = new JarInputStream(new FileInputStream(jar));
+		JarEntry ent = null;
+		
+		while ((ent = jaris.getNextJarEntry()) != null) {
+			String entName = ent.getName(); //.toLowerCase();
+			
+			if (entName.endsWith(".class")) {
+				try {
+					Class<?> cls = cl.loadClass(entName.substring(0, entName.length()- 6).replace('/', '.'));
+					if(isPluggableSmedClass(cls)) classes.add((Class<SmedPluggable>) cls);
+				} catch (ClassNotFoundException e) {
+					System.err.println("Can't load Class" + entName);
+					e.printStackTrace();
+				}
+			}
+		}
+		
+		jaris.close();
+		
+		return classes;
+	}
+
+	private static boolean isPluggableSmedClass(Class<?> cls) {
+		for (Class<?> i: cls.getInterfaces()) {
+			if (i.equals(SmedPluggable.class)) return true;
+		}
+		
+		return false;
+	}
+
+	private static URL[] fileArrayToURLArray(File[] files) throws MalformedURLException {
+		// splug contains at least smed_ifc.jar, but smed_ifc.jar isn't pluggable
+		if(files.length <= 1) return null;
+		
+		URL[] urls = new URL[files.length];
+		
+		
+		for(int i = 0; i < files.length; i++) {
+			urls[i] = files[i].toURI().toURL();
+		}
+		
+		return urls;
+	}
+}