Java tutorial
/** * This file Copyright (c) 2014 Magnolia International * Ltd. (http://www.magnolia-cms.com). All rights reserved. * * * This file is licensed under the MIT License (MIT) * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * */ package info.magnolia.filesystembrowser.app.action; import info.magnolia.event.EventBus; import info.magnolia.i18nsystem.SimpleTranslator; import info.magnolia.ui.api.action.AbstractAction; import info.magnolia.ui.api.action.ActionExecutionException; import info.magnolia.ui.api.context.UiContext; import info.magnolia.ui.api.event.AdmincentralEventBus; import info.magnolia.ui.api.event.ContentChangedEvent; import info.magnolia.ui.vaadin.integration.contentconnector.ContentConnector; import info.magnolia.ui.vaadin.overlay.MessageStyleTypeEnum; import java.io.File; import java.io.IOException; import javax.inject.Inject; import javax.inject.Named; import org.apache.commons.io.FileUtils; import org.apache.commons.lang.StringUtils; import com.vaadin.data.Item; /** * Duplicates file in file system. * @param <D> the definition. */ public class DuplicateFileAction<D extends DuplicateFileActionDefinition> extends AbstractAction<D> { private final ContentConnector contentConnector; private SimpleTranslator translator; private final EventBus eventBus; private UiContext uiContext; private Item item; @Inject public DuplicateFileAction(UiContext uiContext, D definition, Item item, ContentConnector contentConnector, @Named(AdmincentralEventBus.NAME) EventBus eventBus, SimpleTranslator translator) { super(definition); this.uiContext = uiContext; this.item = item; this.contentConnector = contentConnector; this.eventBus = eventBus; this.translator = translator; } @Override public void execute() throws ActionExecutionException { Object itemId = contentConnector.getItemId(item); if (itemId instanceof File) { File file = (File) itemId; File copy = createFileCopy(file); try { if (file.isFile()) { FileUtils.copyFile(file, copy); } else { FileUtils.copyDirectory(file, copy); } eventBus.fireEvent(new ContentChangedEvent(file)); } catch (IOException e) { String message = translator.translate("ui-framework.abstractcommand.executionfailure"); uiContext.openNotification(MessageStyleTypeEnum.ERROR, true, message); } } } private File createFileCopy(File file) { String extension = StringUtils.substringAfterLast(file.getPath(), "."); extension = StringUtils.isEmpty(extension) ? "" : "." + extension; String newName = file.getPath().replace(extension, "") + " copy"; File copyFile = new File(newName + extension); int idx = 0; while (copyFile.exists()) { copyFile = new File(newName + ++idx + extension); } return copyFile; } }