org.javasimon.console.SimonConsolePluginManager Maven / Gradle / Ivy
package org.javasimon.console;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* Collection of plugin used by Simon console actions
* @author gquintana
*/
public class SimonConsolePluginManager {
/**
* List of plugins
*/
private final List plugins=new ArrayList();
/**
* Return plugin list.
*/
public List getPlugins() {
return Collections.unmodifiableList(plugins);
}
/**
* Return plugin list, filtered by plugin type.
*/
public List getPluginsByType(Class pluginType) {
List specPlugins=new ArrayList();
for(SimonConsolePlugin plugin:plugins) {
if (pluginType.isInstance(plugin)) {
specPlugins.add(pluginType.cast(plugin));
}
}
return Collections.unmodifiableList(specPlugins);
}
/**
* Return plugin, filtered by plugin Id.
*/
public SimonConsolePlugin getPluginById(String id) {
for(SimonConsolePlugin plugin:plugins) {
if (plugin.getId().equals(id)) {
return plugin;
}
}
return null;
}
/**
* Register a plugin
* @param plugin Plugin
*/
public void addPlugin(SimonConsolePlugin plugin) {
SimonConsolePlugin existingPlugin=getPluginById(plugin.getId());
if (existingPlugin!=null) {
throw new IllegalArgumentException("Plugin "+plugin.getId()+" already registered");
}
plugins.add(plugin);
}
/**
* Register a plugin
* @param pluginType Plugin type
*/
public void addPlugin(Class pluginType) {
try {
SimonConsolePlugin plugin = pluginType.newInstance();
addPlugin(plugin);
} catch (InstantiationException instantiationException) {
throw new IllegalArgumentException("Invalid plugin type "+pluginType.getName(), instantiationException);
} catch (IllegalAccessException illegalAccessException) {
throw new IllegalArgumentException("Invalid plugin type "+pluginType.getName(), illegalAccessException);
}
}
/**
* Register a plugin
* @param pluginTypeName Plugin type
*/
public void addPlugin(String pluginTypeName) {
try {
Class pluginType = Class.forName(pluginTypeName);
if (SimonConsolePlugin.class.isAssignableFrom(pluginType)) {
addPlugin((Class) pluginType);
} else {
throw new IllegalArgumentException("Invalid plugin type "+pluginTypeName);
}
} catch (ClassNotFoundException classNotFoundException) {
throw new IllegalArgumentException("Invalid plugin type "+pluginTypeName, classNotFoundException);
}
}
/**
* Register plugins
* @param pluginTypeNames Comma separated list for plugin classes
*/
public void addPlugins(String pluginTypeNames) {
String[] pluginTypeNameList=pluginTypeNames.split(",");
for(String pluginTypeName:pluginTypeNameList) {
pluginTypeName=pluginTypeName.trim();
if (!pluginTypeName.equals("")) {
addPlugin(pluginTypeName);
}
}
}
/**
* Return plugin, filtered by plugin Id.
*/
public boolean removePluginById(String id) {
SimonConsolePlugin plugin=getPluginById(id);
if (plugin==null) {
return false;
} else {
return plugins.remove(plugin);
}
}
/**
* Get all action bindings of all plugins.
*/
public List getActionBindings() {
List actionBindings=new ArrayList();
for(SimonConsolePlugin plugin: plugins) {
actionBindings.addAll(plugin.getActionBindings());
}
return Collections.unmodifiableList(actionBindings);
}
}