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- package ${package};
-
- import org.apache.commons.lang.StringUtils;
- import org.pf4j.DefaultPluginManager;
- import org.pf4j.ExtensionFinder;
- import org.pf4j.PluginManager;
- import org.pf4j.PluginWrapper;
-
- import java.util.List;
- import java.util.Set;
-
- /**
- * A boot class that start the application.
- */
- public class Boot {
-
- public static void main(String[] args) {
- // create the plugin manager
- PluginManager pluginManager = new DefaultPluginManager();
-
- // load the plugins
- pluginManager.loadPlugins();
-
- // enable a disabled plugin
- // pluginManager.enablePlugin("welcome-plugin");
-
- // start (active/resolved) the plugins
- pluginManager.startPlugins();
-
- // retrieves the extensions for Greeting extension point
- List<Greeting> greetings = pluginManager.getExtensions(Greeting.class);
- System.out.println(String.format("Found %d extensions for extension point '%s'", greetings.size(), Greeting.class.getName()));
- for (Greeting greeting : greetings) {
- System.out.println(">>> " + greeting.getGreeting());
- }
-
- // print extensions from classpath (non plugin)
- System.out.println("Extensions added by classpath:");
- Set<String> extensionClassNames = pluginManager.getExtensionClassNames(null);
- for (String extension : extensionClassNames) {
- System.out.println(" " + extension);
- }
-
- System.out.println("Extension classes by classpath:");
- List<Class<? extends Greeting>> greetingsClasses = pluginManager.getExtensionClasses(Greeting.class);
- for (Class<? extends Greeting> greeting : greetingsClasses) {
- System.out.println(" Class: " + greeting.getCanonicalName());
- }
-
- // print extensions ids for each started plugin
- List<PluginWrapper> startedPlugins = pluginManager.getStartedPlugins();
- for (PluginWrapper plugin : startedPlugins) {
- String pluginId = plugin.getDescriptor().getPluginId();
- System.out.println(String.format("Extensions added by plugin '%s':", pluginId));
- extensionClassNames = pluginManager.getExtensionClassNames(pluginId);
- for (String extension : extensionClassNames) {
- System.out.println(" " + extension);
- }
- }
-
- // print extensions instances for Greeting extension point for each started plugin
- for (PluginWrapper plugin : startedPlugins) {
- String pluginId = plugin.getDescriptor().getPluginId();
- System.out.println(String.format("Extensions instances added by plugin '%s' for extension point '%s':", pluginId, Greeting.class.getName()));
- List<Greeting> extensions = pluginManager.getExtensions(Greeting.class, pluginId);
- for (Object extension : extensions) {
- System.out.println(" " + extension);
- }
- }
-
- // print extensions instances from classpath (non plugin)
- System.out.println("Extensions instances added by classpath:");
- List extensions = pluginManager.getExtensions((String) null);
- for (Object extension : extensions) {
- System.out.println(" " + extension);
- }
-
- // print extensions instances for each started plugin
- for (PluginWrapper plugin : startedPlugins) {
- String pluginId = plugin.getDescriptor().getPluginId();
- System.out.println(String.format("Extensions instances added by plugin '%s':", pluginId));
- extensions = pluginManager.getExtensions(pluginId);
- for (Object extension : extensions) {
- System.out.println(" " + extension);
- }
- }
-
- // stop the plugins
- pluginManager.stopPlugins();
- /*
- Runtime.getRuntime().addShutdownHook(new Thread() {
-
- @Override
- public void run() {
- pluginManager.stopPlugins();
- }
-
- });
- */
- }
-
- }
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