svn-gvsig-desktop / trunk / frameworks / _fwAndami / src / com / iver / andami / PluginServices.java @ 1363
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.andami; |
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import java.awt.Component; |
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import java.awt.event.ActionListener; |
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import java.io.File; |
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import java.lang.reflect.InvocationTargetException; |
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import java.util.Iterator; |
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import java.util.Locale; |
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import java.util.MissingResourceException; |
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import java.util.PropertyResourceBundle; |
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import java.util.ResourceBundle; |
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import javax.swing.SwingUtilities; |
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import org.apache.log4j.Logger; |
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import com.iver.andami.messages.Messages; |
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import com.iver.andami.messages.NotificationManager; |
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import com.iver.andami.plugins.Extension; |
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import com.iver.andami.plugins.PluginClassLoader; |
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import com.iver.andami.ui.mdiFrame.MDIFrame; |
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import com.iver.andami.ui.mdiFrame.MainFrame; |
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import com.iver.andami.ui.mdiManager.MDIManager; |
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import com.iver.utiles.XMLEntity; |
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/**
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* Clase que proporciona servicios a los plugins.
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*
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* @author Fernando Gonz?lez Cort?s
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*/
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public class PluginServices { |
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private static Logger logger = Logger.getLogger(PluginServices.class.getName()); |
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private PluginClassLoader loader;
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private PropertyResourceBundle resourceBundle; |
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private XMLEntity persistentXML;
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/**
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* Crea un nuevo PluginServices
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*
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* @param loader ClassLoader del plugin
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*/
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public PluginServices(PluginClassLoader loader) {
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this.loader = loader;
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} |
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/**
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* Devuelve el mensaje en el idioma del locale actual del texto
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* correspondiente a la clave que se pasa como par?metro
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*
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* @param key Clave del texto que se quiere obtener
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*
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* @return Texto en el idioma que toca o la propia clave si no se encuentra
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* en el fichero
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*/
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public String getText(String key) { |
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if (resourceBundle == null) { |
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return key;
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} |
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if (key == null) { |
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return null; |
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} |
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try {
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return resourceBundle.getString(key);
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} catch (MissingResourceException e) { |
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logger.warn(Messages.getString("PluginServices.No_se_encontro_la_traduccion_para") + " " + key); |
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return key;
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} |
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} |
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/**
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* Obtiene el classloader del plugin
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*
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* @return Returns the loader.
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*/
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public PluginClassLoader getClassLoader() {
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return loader;
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} |
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/**
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* Obtiene el nombre del plugin
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*
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* @return String
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*/
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String getPluginName() {
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return loader.getPluginName();
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} |
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/**
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* Establece el paquete de traducciones del objeto
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* pluginservices asociado a un plugin
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*
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* @param name nombre del paquete
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* @param locale locale para obtener los recursos del paquete
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*/
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void setResourceBundle(String name, Locale locale) { |
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try {
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resourceBundle = (PropertyResourceBundle) ResourceBundle.getBundle(name, |
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locale, loader); |
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} catch (MissingResourceException e) { |
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logger.error(Messages.getString("PluginServices.No_se_encontro_el_recurso_de_traducciones") + name, e);
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} |
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} |
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/**
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* Obtienen una referencia al PluginServices del plugin cuyo nombre se pasa
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* como par?metro
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*
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* @param pluginClassInstance Instancia de una clase propia del plugin a
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* cuyos servicios se quiere acceder
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*
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* @return Objeto PluginServices asociado al plugin
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*
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* @throws RuntimeException Si el par?metro no es un objeto cargado desde un plugin
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*/
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public static PluginServices getPluginServices(Object pluginClassInstance) { |
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try {
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PluginClassLoader loader = (PluginClassLoader) pluginClassInstance.getClass() |
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.getClassLoader(); |
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return Launcher.getPluginServices(loader.getPluginName());
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} catch (ClassCastException e) { |
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throw new RuntimeException( |
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"Parameter is not a plugin class instance");
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} |
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} |
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/**
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* Obtienen una referencia al PluginServices del plugin cuyo nombre se pasa
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* como par?metro
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*
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* @param pluginName Instancia de una clase propia del plugin a cuyos
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* servicios se quiere acceder
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*
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* @return Objeto PluginServices asociado al plugin
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*/
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public static PluginServices getPluginServices(String pluginName) { |
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return Launcher.getPluginServices(pluginName);
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} |
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/**
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* Obtiene una referencia al gestor de ventanas
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*
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* @return MDIManager
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*/
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public static MDIManager getMDIManager() { |
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return Launcher.getFrame().getMDIManager();
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} |
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/**
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* Obtiene una referencia al marco principal de la
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* aplicaci?n
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*
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* @return MainFrame
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*/
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public static MainFrame getMainFrame() { |
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return Launcher.getFrame();
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} |
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/**
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* Obtiene una referencia a la instancia de la extensi?n
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* cuya clase se pasa como par?metro
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*
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* @param extensionClass Clase de la extensi?n cuya instancia se quiere obtener
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*
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* @return Instancia de la extensi?n o null en caso de que no haya
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* una extensi?n con esa clase
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*/
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public static Extension getExtension(Class extensionClass) { |
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return (Extension) Launcher.getClassesExtensions().get(extensionClass);
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} |
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/**
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* Obtiene un iterador sobre las extensiones
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*
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* @return Iterator
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*/
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public static Iterator getExtensions() { |
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return Launcher.getClassesExtensions().values().iterator();
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} |
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/**
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* Obtiene una traducci?n de un plugin
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*
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* @param pluginObject Objeto cargado desde un plugin
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* @param key Nombre de la clave cuyo valor se quiere obtener
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*
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* @return El valor, si existe. La clave si no existe. Si el objeto que
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* se pasa como par?metro no ha sido cargado desde un plugin
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* se devuelve la clave.
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*/
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public static String getText(Object pluginObject, String key) { |
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try {
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PluginServices ps = getPluginServices(pluginObject); |
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return ps.getText(key);
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} catch (RuntimeException e) { |
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logger.error("GetText: Clave = " + key + ". ", e); |
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return key;
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} |
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} |
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/**
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* Establece los datos del plugin que deber?n persistir entre ejecuciones
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* en formato xml
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*
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* @param entity DOCUMENT ME!
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*/
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public void setPersistentXML(XMLEntity entity) { |
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persistentXML = entity; |
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} |
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/**
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* Obtiene un objeto que representa la persistencia del plugin en formato
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* xml.
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*
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* @return Devuelve null hasta que se invoca el m?todo setPersistentXML
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*/
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public XMLEntity getPersistentXML() {
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if (persistentXML == null){ |
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persistentXML = new XMLEntity();
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} |
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return persistentXML;
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} |
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/**
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* A?ade un listener a un popup menu registrado en el
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* config.xml de alg?n plugin
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*
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* @param name Nombre del men? contextual
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* @param c Componente que desplegar? el men? cuando
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* se haga click con el bot?n derecho
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* @param listener Listener que se ejecutar? cuando se
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* seleccione cualquier entrada del men?
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*
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* @throws RuntimeException Si la interfaz no est? preparada
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* todav?a. S?lo puede darse durante el arranque
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*/
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public void addPopupMenuListener(String name, Component c, |
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ActionListener listener) {
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MDIFrame frame = Launcher.getFrame(); |
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if (frame == null) { |
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throw new RuntimeException("MDIFrame not loaded yet"); |
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} |
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frame.addPopupMenuListener(name, c, listener, loader); |
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} |
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/**
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* Obtiene una referencia al directorio del plugin
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*
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* @return File
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*/
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public File getPluginDirectory() { |
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return new File(Launcher.getPluginsDir() + File.separator + |
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getPluginName()); |
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} |
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/**
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* Ejecuta una tarea en segundo plano, dejando a la
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* interfaz responder pero inhibiendo los eventos
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*
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* @param r Tarea a ejecutar
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*
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* @return Thread en el que se ejecuta la tarea
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*/
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public static Thread backgroundExecution(Runnable r) { |
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Thread t = new Thread(new RunnableDecorator(r)); |
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t.start(); |
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return t;
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} |
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/**
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* DOCUMENT ME!
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*
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* @author Fernando Gonz?lez Cort?s
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*/
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private static class RunnableDecorator implements Runnable { |
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private Runnable r; |
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/**
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* Crea un nuevo RunnableDecorator.
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*
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* @param r DOCUMENT ME!
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*/
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public RunnableDecorator(Runnable r) { |
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this.r = r;
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} |
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/**
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* @see java.lang.Runnable#run()
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*/
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public void run() { |
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try {
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SwingUtilities.invokeAndWait(new Runnable() { |
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public void run() { |
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getMDIManager().setWaitCursor(); |
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} |
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}); |
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} catch (InterruptedException e) { |
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NotificationManager.addWarning(Messages.getString("PluginServices.No_se_pudo_poner_el_reloj_de_arena"),
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e); |
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} catch (InvocationTargetException e) { |
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NotificationManager.addWarning(Messages.getString("PluginServices.No_se_pudo_poner_el_reloj_de_arena"),
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e); |
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} |
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try{
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r.run(); |
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} catch(RuntimeException e){ |
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NotificationManager.addError(Messages.getString("PluginServices.Bug_en_el_codigo"), e);
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} catch (Error e){ |
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NotificationManager.addError(Messages.getString("PluginServices.Error_grave_de_la_aplicaci?n"), e);
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} |
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try {
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SwingUtilities.invokeAndWait(new Runnable() { |
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public void run() { |
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getMDIManager().restoreCursor(); |
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} |
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}); |
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} catch (InterruptedException e) { |
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NotificationManager.addWarning(Messages.getString("PluginServices.No_se_pudo_restaurar_el_cursor_del_raton"),
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e); |
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} catch (InvocationTargetException e) { |
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NotificationManager.addWarning(Messages.getString("PluginServices.No_se_pudo_restaurar_el_cursor_del_raton"),
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e); |
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} |
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} |
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} |
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} |