Java tutorial
/******************************************************************************* * This file is part of the EEG-database project * * ========================================== * * Copyright (C) 2013 by University of West Bohemia (http://www.zcu.cz/en/) * * *********************************************************************************************************************** * * 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. * * *********************************************************************************************************************** * * ArticleCommentFormPage.java, 2014/05/13 00:01 Jakub Rinkes ******************************************************************************/ package cz.zcu.kiv.eegdatabase.wui.ui.articles; import org.apache.wicket.RestartResponseAtInterceptPageException; import org.apache.wicket.authroles.authorization.strategies.role.annotations.AuthorizeInstantiation; import org.apache.wicket.model.Model; import org.apache.wicket.request.mapper.parameter.PageParameters; import org.apache.wicket.spring.injection.annot.SpringBean; import org.apache.wicket.util.string.StringValue; import cz.zcu.kiv.eegdatabase.data.pojo.Article; import cz.zcu.kiv.eegdatabase.data.pojo.ArticleComment; import cz.zcu.kiv.eegdatabase.data.pojo.Person; import cz.zcu.kiv.eegdatabase.wui.app.session.EEGDataBaseSession; import cz.zcu.kiv.eegdatabase.wui.components.menu.button.ButtonPageMenu; import cz.zcu.kiv.eegdatabase.wui.components.page.MenuPage; import cz.zcu.kiv.eegdatabase.wui.components.utils.PageParametersUtils; import cz.zcu.kiv.eegdatabase.wui.components.utils.ResourceUtils; import cz.zcu.kiv.eegdatabase.wui.core.UserRole; import cz.zcu.kiv.eegdatabase.wui.core.article.ArticleFacade; import cz.zcu.kiv.eegdatabase.wui.core.security.SecurityFacade; import cz.zcu.kiv.eegdatabase.wui.ui.articles.components.ArticleCommentFormPanel; @AuthorizeInstantiation(value = { "ROLE_READER", "ROLE_USER", "ROLE_EXPERIMENTER", "ROLE_ADMIN" }) public class ArticleCommentFormPage extends MenuPage { private static final long serialVersionUID = -6483764280064711699L; @SpringBean private ArticleFacade facade; @SpringBean private SecurityFacade securityFacade; public ArticleCommentFormPage(PageParameters parameters) { setPageTitle(ResourceUtils.getModel("label.addComment")); add(new ButtonPageMenu("leftMenu", ArticlesPageLeftMenu.values())); StringValue articleParam = parameters.get(PageParametersUtils.ARTICLE); StringValue commentParam = parameters.get(PageParametersUtils.COMMENT); if (articleParam.isNull() || articleParam.isEmpty() || commentParam.isEmpty() || commentParam.isNull()) { throw new RestartResponseAtInterceptPageException(ArticlesPage.class); } int articleId = articleParam.toInt(); int commentId = commentParam.toInt(); Article article = facade.read(articleId); boolean isPublicArticle = article.getResearchGroup() == null; testUserCanAddArticleComment(isPublicArticle); ArticleComment parentComment = facade.readComment(commentId); Person person = EEGDataBaseSession.get().getLoggedUser(); ArticleComment newComment = new ArticleComment(); newComment.setArticle(article); newComment.setPerson(person); newComment.setParent(parentComment); add(new ArticleCommentFormPanel("addCommentFormPanel", new Model<ArticleComment>(newComment), getFeedback())); } private void testUserCanAddArticleComment(boolean isPublicArticle) { boolean isUserAdmin = EEGDataBaseSession.get().hasRole(UserRole.ROLE_ADMIN.name()); boolean userCanAddArticle = securityFacade.userIsGroupAdmin() || securityFacade.userIsExperimenter() || isPublicArticle || isUserAdmin; if (!userCanAddArticle) { throw new RestartResponseAtInterceptPageException(ArticlesPage.class); } } }