co.turnus.ui.exporter.FileExporterHandler.java Source code

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Here is the source code for co.turnus.ui.exporter.FileExporterHandler.java

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/* 
 * TURNUS, the co-exploration framework
 * 
 * Copyright (C) 2015 EPFL SCI STI MM
 *
 * This file is part of TURNUS.
 *
 * TURNUS is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * TURNUS is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with TURNUS.  If not, see <http://www.gnu.org/licenses/>.
 * 
 * Additional permission under GNU GPL version 3 section 7
 * 
 * If you modify this Program, or any covered work, by linking or combining it
 * with Eclipse (or a modified version of Eclipse or an Eclipse plugin or 
 * an Eclipse library), containing parts covered by the terms of the 
 * Eclipse Public License (EPL), the licensors of this Program grant you 
 * additional permission to convey the resulting work.  Corresponding Source 
 * for a non-source form of such a combination shall include the source code 
 * for the parts of Eclipse libraries used as well as that of the  covered work.
 * 
 */
package co.turnus.ui.exporter;

import java.io.File;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IFile;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.handlers.HandlerUtil;

import co.turnus.TurnusException;
import co.turnus.ui.TurnusUiConstants;
import co.turnus.util.TurnusUtils;

public class FileExporterHandler extends AbstractHandler {

    public FileExporterHandler() {

    }

    @Override
    public Object execute(ExecutionEvent event) throws ExecutionException {
        // get workbench window
        IWorkbenchWindow window = HandlerUtil.getActiveWorkbenchWindowChecked(event);
        // set structured selection
        IStructuredSelection selection = (IStructuredSelection) window.getSelectionService().getSelection();

        File inputFile = null;
        // check if it is an IFile
        if (selection.getFirstElement() instanceof IFile) {

            try {
                inputFile = TurnusUtils.getFrom((IFile) selection.getFirstElement());
            } catch (TurnusException e) {
                e.printStackTrace();
            }
        }

        // get only the required extension
        String outExtension = event.getParameter(TurnusUiConstants.COMMAND_OUT_EXTENSION);

        AbstractExporterWizard wizard = null;

        switch (outExtension) {
        case "xml":
            wizard = new XmlExporterWizard();
            wizard.configure(inputFile);
            break;
        case "json":
            wizard = new JsonExporterWizard();
            wizard.configure(inputFile);
            break;
        case "xls":
            wizard = new XlsExporterWizard();
            wizard.configure(inputFile);
            break;
        default:
            break;
        }

        if (wizard != null) {
            new WizardDialog(window.getShell(), wizard).open();
        }
        return null;
    }

}