/* $Id: ActionImportFromSources.java 17881 2010-01-12 21:09:28Z linus $

  *****************************************************************************

  * Copyright (c) 2009 Contributors - see below

  * All rights reserved. This program and the accompanying materials

  * are made available under the terms of the Eclipse Public License v1.0

  * which accompanies this distribution, and is available at

  * http://www.eclipse.org/legal/epl-v10.html

  *

  * Contributors:

  *    bobtarling

  *****************************************************************************

  *

  * Some portions of this file was previously release using the BSD License:

  */

 // Copyright (c) 1996-2006 The Regents of the University of California. All

 // Rights Reserved. Permission to use, copy, modify, and distribute this

 // software and its documentation without fee, and without a written

 // agreement is hereby granted, provided that the above copyright notice

 // and this paragraph appear in all copies.  This software program and

 // documentation are copyrighted by The Regents of the University of

 // California. The software program and documentation are supplied "AS

 // IS", without any accompanying services from The Regents. The Regents

 // does not warrant that the operation of the program will be

 // uninterrupted or error-free. The end-user understands that the program

 // was developed for research purposes and is advised not to rely

 // exclusively on the program for any reason.  IN NO EVENT SHALL THE

 // UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT,

 // SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS,

 // ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF

 // THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF

 // SUCH DAMAGE. THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY

 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE

 // PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF

 // CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT,

 // UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

 package org.argouml.uml.ui;

 import java.awt.event.ActionEvent;

 import java.io.File;

 import java.util.Collection;

 import javax.swing.Action;

 import javax.swing.JFrame;

 import org.apache.log4j.Logger;

 import org.argouml.application.api.CommandLineInterface;

 import org.argouml.application.helpers.ResourceLoaderWrapper;

 import org.argouml.i18n.Translator;

 import org.argouml.ui.ExceptionDialog;

 import org.argouml.uml.reveng.Import;

 import org.argouml.uml.reveng.ImportInterface;

 import org.argouml.uml.reveng.ImporterManager;

 import org.argouml.uml.reveng.ui.ImportStatusScreen;

 import org.argouml.util.ArgoFrame;

 import org.argouml.ui.UndoableAction;

 /** Action to trigger importing from sources.

  * @stereotype singleton

  */

 public class ActionImportFromSources extends UndoableAction 

         implements CommandLineInterface {

     /**

      * Logger.

      */

     private static final Logger LOG =

         Logger.getLogger(ActionImportFromSources.class);

     /**

      * The singleton.

      */

     private static final ActionImportFromSources SINGLETON =

         new ActionImportFromSources();

     /**

      *  The constructor.

      */

     public ActionImportFromSources() {

         // this is never downlighted...

         super(Translator.localize("action.import-sources"),

                 ResourceLoaderWrapper.lookupIcon("action.import-sources"));

         // Set the tooltip string:

         putValue(Action.SHORT_DESCRIPTION, 

                 Translator.localize("action.import-sources"));

     }

     /*

      * @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)

      */

     public void actionPerformed(ActionEvent event) {

             super.actionPerformed(event);

             if (ImporterManager.getInstance().hasImporters()) {

             new Import(ArgoFrame.getFrame());

             } else {

                 LOG.info("Import sources dialog not shown: no importers!");

             ExceptionDialog ed = new ExceptionDialog(ArgoFrame.getFrame(),

                 Translator.localize("dialog.title.problem"),

                 Translator.localize("dialog.import.no-importers.intro"),

                 Translator.localize("dialog.import.no-importers.message"));

             ed.setModal(true);

             ed.setVisible(true);

             }

     }

     /**

      * @return Returns the SINGLETON.

      */

     public static ActionImportFromSources getInstance() {

         return SINGLETON;

     }

     /**

      * Command line command for importing a directory or file.

      * 

      * @param argument Formatted string (<importmodule>:<importpath>)

      * @return true if the command was performed successfully.

 */

     public boolean doCommand(String argument) {

         if (argument == null) {

             LOG.error("An argument has to be provided.");

             return false;

         }

         int index = argument.indexOf(':');

         if (index == -1 || argument.length() <= index) {

             LOG.error("Argument must be <importmodule>:<importpath>");

             return false;

         }

         Import imp = new Import(null);

         Collection languages = imp.getLanguages();

         if (languages == null || languages.isEmpty()) {

             LOG.error("No importers available.");

             return false;

         }

         String importerName = argument.substring(0, index);

         ImportInterface importer = imp.getImporter(importerName);

         if (importer == null) {

             LOG.error("No import support for language " + importerName);

             return false;

         }

         imp.setCurrentModule(importer);

         File file = new File(argument.substring(index + 1));

         if (!file.exists()) {

             LOG.error("The specified file/directory doesn't exist.");

             return false;

         }

         imp.setFiles(new File[]{file});

         ImportStatusScreen iss =

             new ImportStatusScreen(new JFrame(), "Importing", "Splash");

         imp.doImport(iss);

         return true;

     }

 }

 /* end class ActionImportFromSources */