Java tutorial
/** * Copyright 2014 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or * implied. * See the License for the specific language governing permissions and * limitations under the License. */ package de.inren.frontend.storehouse; import org.apache.wicket.Component; import org.apache.wicket.model.AbstractReadOnlyModel; import org.apache.wicket.util.string.StringValue; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import de.inren.frontend.common.templates.SecuredPage; /** * * File manage for storehouse objects, managed by folders. * * @author Ingo Renner * */ public class FileManagerPage extends SecuredPage<Long> { private static final Logger log = LoggerFactory.getLogger(FileManagerPage.class); public FileManagerPage() { super(); setModel(new AbstractReadOnlyModel<Long>() { @Override public Long getObject() { final StringValue folderId = getPageParameters().get("id"); return folderId.isEmpty() ? null : folderId.toLongObject(); } }); } @Override public Component createPanel(String wicketId) { return new FileManagerMainPanel(wicketId, getModel()); } @Override protected Component getLeftComponent(String id) { return new FolderMenuPanel(id, getModel()); } }