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- /*
- * Copyright 2012 Decebal Suiu
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License 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 org.apache.commons.lang3.StringUtils;
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
- import org.pf4j.DefaultPluginManager;
- import org.pf4j.PluginManager;
- import org.pf4j.PluginWrapper;
- import org.pf4j.demo.api.Greeting;
-
- import java.util.List;
-
- /**
- * A boot class that start the demo.
- *
- * @author Decebal Suiu
- */
- public class Boot {
- private static final Logger logger = LoggerFactory.getLogger(Boot.class);
-
- public static void main(String[] args) {
- // print logo
- printLogo();
-
- // create the plugin manager
- final PluginManager pluginManager = new DefaultPluginManager();
-
- // load the plugins
- pluginManager.loadPlugins();
-
- // enable a disabled plugin
- // pluginManager.enablePlugin("welcome-plugin");
-
- // start (active/resolved) the plugins
- pluginManager.startPlugins();
-
- logger.info("Plugindirectory: ");
- logger.info("\t" + System.getProperty("pf4j.pluginsDir", "plugins") + "\n");
-
- // retrieves the extensions for Greeting extension point
- List<Greeting> greetings = pluginManager.getExtensions(Greeting.class);
- logger.info(String.format("Found %d extensions for extension point '%s'", greetings.size(), Greeting.class.getName()));
- for (Greeting greeting : greetings) {
- logger.info(">>> " + greeting.getGreeting());
- }
-
- // // print extensions from classpath (non plugin)
- // logger.info(String.format("Extensions added by classpath:"));
- // Set<String> extensionClassNames = pluginManager.getExtensionClassNames(null);
- // for (String extension : extensionClassNames) {
- // logger.info(" " + extension);
- // }
-
- // print extensions for each started plugin
- List<PluginWrapper> startedPlugins = pluginManager.getStartedPlugins();
- for (PluginWrapper plugin : startedPlugins) {
- String pluginId = plugin.getDescriptor().getPluginId();
- logger.info(String.format("Extensions added by plugin '%s':", pluginId));
- // extensionClassNames = pluginManager.getExtensionClassNames(pluginId);
- // for (String extension : extensionClassNames) {
- // logger.info(" " + extension);
- // }
- }
-
- // stop the plugins
- pluginManager.stopPlugins();
- /*
- Runtime.getRuntime().addShutdownHook(new Thread() {
-
- @Override
- public void run() {
- pluginManager.stopPlugins();
- }
-
- });
- */
- }
-
- private static void printLogo() {
- logger.info(StringUtils.repeat("#", 40));
- logger.info(StringUtils.center("PF4J-DEMO", 40));
- logger.info(StringUtils.repeat("#", 40));
- }
-
- }
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