com.opera.widgets.ui.wizard.export.WidgetExportWizard.java Source code

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Here is the source code for com.opera.widgets.ui.wizard.export.WidgetExportWizard.java

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/*******************************************************************************
 * Copyright (c) 2010-2011 Opera Software.
 * 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:
 *     Opera Software - initial API and implementation
 *******************************************************************************/

package com.opera.widgets.ui.wizard.export;

import java.io.File;
import java.io.IOException;

import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.osgi.util.NLS;
import org.eclipse.ui.IExportWizard;
import org.eclipse.ui.IWorkbench;

import com.opera.widgets.core.tools.ZipMaker;
import com.opera.widgets.ui.PluginImages;
import com.opera.widgets.ui.WidgetsActivator;

/**
 * Wizard for widget package export
 * 
 * @author Michal Borek
 */
public class WidgetExportWizard extends Wizard implements IExportWizard {

    private static final String BUILD_FOLDER_NAME = "build"; //$NON-NLS-1$
    private static final String TEMP_FOLDER_NAME = "temp"; //$NON-NLS-1$
    private static final String WIDGET_SRC_FOLDER = "src"; //$NON-NLS-1$
    private WidgetExportPage fExportPage;
    private String[] fIgnoredFiles;

    public WidgetExportWizard() {
        setDefaultPageImageDescriptor(PluginImages.WIDGET_64PX);
    }

    @Override
    public void init(IWorkbench workbench, IStructuredSelection selection) {
        fExportPage = new WidgetExportPage(Messages.WidgetExportWizard_ExportWidgetPackage, selection);
        fIgnoredFiles = WidgetsActivator.getDefault().getIgnoredExportElements();

    }

    @Override
    public void addPages() {
        addPage(fExportPage);
    }

    /**
     * TODO make an Operation (Eclipse's Job)
     */
    @Override
    public boolean performFinish() {
        fIgnoredFiles = WidgetsActivator.getDefault().getIgnoredExportElements();

        File destinationFile = new File(fExportPage.getDestinationValue());

        if (destinationFile.exists()) {
            if (!MessageDialog.openQuestion(getContainer().getShell(),
                    Messages.WidgetExportWizard_ConfirmReplaceTitle,
                    NLS.bind(Messages.WidgetExportWizard_ConfirmReplaceDesc, destinationFile.getAbsolutePath()))) {
                return false;
            }
        }
        IFolder buildFolder = fExportPage.getSelectedProject().getFolder(BUILD_FOLDER_NAME);

        try {
            if (!buildFolder.exists()) {
                buildFolder.create(true, false, null);
            }
            IFolder tempFolder = buildFolder.getFolder(TEMP_FOLDER_NAME);
            if (tempFolder.exists()) {
                tempFolder.delete(true, null);
            }
            tempFolder.create(true, true, null);

            IFolder srcFolder = fExportPage.getSelectedProject().getFolder(WIDGET_SRC_FOLDER);
            copyValidResources(srcFolder, tempFolder);

            ZipMaker.zipDirectory(tempFolder.getLocation().toFile(), destinationFile);
            tempFolder.delete(true, null);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            printErrorDialog(e);
        }
        return false;
    }

    private void printErrorDialog(Exception e) {
        MessageDialog.openError(this.getShell(), Messages.WidgetExportWizard_ErrorOccuredTitle,
                Messages.WidgetExportWizard_ErrorOccuredDesc + e.getMessage());

    }

    /**
     * Copy resources without hidden files (.svn, .git etc.)
     * 
     * @param srcFolder
     * @param destFolder
     *            TODO move to core
     * @throws CoreException
     * @throws IOException
     */
    private void copyValidResources(IFolder srcFolder, IFolder destFolder) throws CoreException, IOException {
        IResource[] members = srcFolder.members();
        for (IResource m : members) {
            if (!isFileIgnored(m.getName())) {
                switch (m.getType()) {
                case IResource.FOLDER:
                    IFolder newLocation = destFolder.getFolder(m.getName());
                    newLocation.create(true, true, null);
                    copyValidResources((IFolder) m, newLocation);
                    break;
                case IResource.FILE:
                    m.copy(destFolder.getFile(m.getName()).getFullPath(), true, null);
                    break;
                }
            }
        }
    }

    private boolean isFileIgnored(String file) {
        for (String s : fIgnoredFiles) {
            if (file.matches(s)) {
                return true;
            }
        }
        return false;
    }
}