/*
* 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 ro.fortsoft.pf4j.demo;
import java.util.List;
import java.util.Set;
import org.apache.commons.lang.StringUtils;
import ro.fortsoft.pf4j.DefaultPluginManager;
import ro.fortsoft.pf4j.PluginManager;
import ro.fortsoft.pf4j.PluginWrapper;
import ro.fortsoft.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();
// 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();
// 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(String.format("Extensions added by classpath:"));
Set<String> extensionClassNames = pluginManager.getExtensionClassNames(null);
for (String extension : extensionClassNames) {
System.out.println(" " + extension);
}
// print extensions 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);
}
}
// stop the plugins
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));
}
}