Java tutorial
/* * Copyright 2015-Present Entando Inc. (http://www.entando.com) All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library 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 Lesser General Public License for more * details. */ package com.agiletec.plugins.jacms.apsadmin.content.helper; import com.agiletec.aps.system.common.entity.model.EntitySearchFilter; import com.agiletec.aps.system.common.entity.model.IApsEntity; import com.agiletec.aps.system.common.entity.model.attribute.ITextAttribute; import com.agiletec.aps.system.exception.ApsSystemException; import com.agiletec.aps.system.services.group.Group; import com.agiletec.aps.system.services.lang.Lang; import com.agiletec.aps.system.services.page.IPage; import com.agiletec.aps.system.services.role.Permission; import com.agiletec.aps.system.services.user.UserDetails; import com.agiletec.aps.util.ApsWebApplicationUtils; import com.agiletec.apsadmin.system.entity.EntityActionHelper; import com.agiletec.plugins.jacms.aps.system.JacmsSystemConstants; import com.agiletec.plugins.jacms.aps.system.services.content.ContentUtilizer; import com.agiletec.plugins.jacms.aps.system.services.content.IContentManager; import com.agiletec.plugins.jacms.aps.system.services.content.helper.IContentAuthorizationHelper; import com.agiletec.plugins.jacms.aps.system.services.content.model.Content; import com.agiletec.plugins.jacms.apsadmin.content.ContentActionConstants; import com.agiletec.plugins.jacms.apsadmin.util.CmsPageActionUtil; import com.opensymphony.xwork2.ActionSupport; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Properties; import javax.servlet.http.HttpServletRequest; import org.apache.commons.lang.StringUtils; import org.apache.struts2.ServletActionContext; import org.entando.entando.aps.system.services.actionlog.model.ActivityStreamInfo; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * Classe Helper della ContentAction. * @author E.Santoboni */ public class ContentActionHelper extends EntityActionHelper implements IContentActionHelper { private static final Logger _logger = LoggerFactory.getLogger(ContentActionHelper.class); @Override public void updateContent(IApsEntity entity, boolean updateMainGroup, HttpServletRequest request) { this.updateEntity(entity, request); if (null != entity && updateMainGroup) { Content content = (Content) entity; if (null == content.getId() && StringUtils.isEmpty(content.getMainGroup())) { String mainGroup = request.getParameter("mainGroup"); if (mainGroup != null) { content.setMainGroup(mainGroup); } } } } @Override public void updateEntity(IApsEntity entity, HttpServletRequest request) { Content content = (Content) entity; try { if (null != content) { String descr = request.getParameter("descr"); if (descr != null) content.setDescription(descr.trim()); String status = request.getParameter("status"); if (status != null) content.setStatus(status); if (null == content.getId()) { String mainGroup = request.getParameter("mainGroup"); if (mainGroup != null) { request.getSession().setAttribute( ContentActionConstants.SESSION_PARAM_NAME_CURRENT_CONTENT_GROUP, mainGroup); } } super.updateEntity(content, request); String description = content.getDescription(); if (null == description || description.trim().length() == 0) { ITextAttribute titleAttribute = (ITextAttribute) content .getAttributeByRole(JacmsSystemConstants.ATTRIBUTE_ROLE_TITLE); if (null != titleAttribute && StringUtils.isNotEmpty(titleAttribute.getText())) { content.setDescription(titleAttribute.getText()); } } } } catch (Throwable t) { _logger.error("ContentActionHelper - updateContent", t); throw new RuntimeException("Error updating Content", t); } } @Override public void scanEntity(IApsEntity entity, ActionSupport action) { Content content = (Content) entity; if (null == content) { _logger.error("Null Content"); return; } String descr = content.getDescription(); if (descr == null || descr.length() == 0) { action.addFieldError("descr", action.getText("error.content.descr.required")); } else { int maxLength = 250; if (descr.length() > maxLength) { String[] args = { String.valueOf(maxLength) }; action.addFieldError("descr", action.getText("error.content.descr.wrongMaxLength", args)); } if (!descr.matches("([^\"])+")) { action.addFieldError("descr", action.getText("error.content.descr.wrongCharacters")); } } if (null == content.getId() && (content.getMainGroup() == null || content.getMainGroup().length() == 0)) { action.addFieldError("mainGroup", action.getText("error.content.mainGroup.required")); } try { this.scanReferences(content, action); super.scanEntity(content, action); } catch (Throwable t) { _logger.error("ContentActionHelper - scanEntity", t); throw new RuntimeException("Error checking entity", t); } } @Override public EntitySearchFilter getOrderFilter(String groupBy, String order) { String key = null; if (null == groupBy || groupBy.trim().length() == 0 || groupBy.equals("lastModified")) { key = IContentManager.CONTENT_MODIFY_DATE_FILTER_KEY; } else if (groupBy.equals("code")) { key = IContentManager.ENTITY_ID_FILTER_KEY; } else if (groupBy.equals("descr")) { key = IContentManager.CONTENT_DESCR_FILTER_KEY; } else if (groupBy.equals("created")) { key = IContentManager.CONTENT_CREATION_DATE_FILTER_KEY; } else throw new RuntimeException("Invalid Filter '" + groupBy + "'"); EntitySearchFilter filter = new EntitySearchFilter(key, false); if (null == order || order.trim().length() == 0) { filter.setOrder(EntitySearchFilter.DESC_ORDER); } else { filter.setOrder(order); } return filter; } /** * Verifica che l'utente corrente possegga * i diritti di accesso al contenuto selezionato. * @param content Il contenuto. * @param currentUser Il contenuto corrente. * @return True nel caso che l'utente corrente abbia i permessi * di lettura/scrittura sul contenuto, false in caso contrario. */ @Override public boolean isUserAllowed(Content content, UserDetails currentUser) { try { return this.getContentAuthorizationHelper().isAuthToEdit(currentUser, content); } catch (Throwable t) { _logger.error("Error checking user authority", t); throw new RuntimeException("Error checking user authority", t); } } @Override public Map getReferencingObjects(Content content, HttpServletRequest request) throws ApsSystemException { Map<String, List> references = new HashMap<String, List>(); try { String[] defNames = ApsWebApplicationUtils.getWebApplicationContext(request) .getBeanNamesForType(ContentUtilizer.class); for (int i = 0; i < defNames.length; i++) { Object service = null; try { service = ApsWebApplicationUtils.getWebApplicationContext(request).getBean(defNames[i]); } catch (Throwable t) { _logger.error("error loading ReferencingObject ", t); service = null; } if (service != null) { ContentUtilizer contentUtilizer = (ContentUtilizer) service; List utilizers = contentUtilizer.getContentUtilizers(content.getId()); if (utilizers != null && !utilizers.isEmpty()) { references.put(contentUtilizer.getName() + "Utilizers", utilizers); } } } } catch (Throwable t) { _logger.error("Error extracting referencing object", t); throw new ApsSystemException("Error in hasReferencingObject method", t); } return references; } /** * Controlla le referenziazioni di un contenuto. Verifica la referenziazione di un contenuto con altri contenuti o pagine nel caso * di operazioni di ripubblicazione di contenuti non del gruppo ad accesso libero. * L'operazione si rende necessaria per ovviare a casi nel cui il contenuto, di un particolare gruppo, sia stato * pubblicato precedentemente in una pagina o referenziato in un'altro contenuto grazie alla associazione di questo con * altri gruppi abilitati alla visualizzazione. Il controllo evidenzia quali devono essere i gruppi al quale il contenuto * deve essere necessariamente associato (ed il perch) per salvaguardare le precedenti relazioni. * @param content Il contenuto da analizzare. * @param action L'action da valorizzare con i messaggi di errore. * @throws ApsSystemException In caso di errore. */ @Override public void scanReferences(Content content, ActionSupport action) throws ApsSystemException { if (!Group.FREE_GROUP_NAME.equals(content.getMainGroup()) && !content.getGroups().contains(Group.FREE_GROUP_NAME)) { HttpServletRequest request = ServletActionContext.getRequest(); try { String[] defNames = ApsWebApplicationUtils.getWebApplicationContext(request) .getBeanNamesForType(ContentUtilizer.class); for (int i = 0; i < defNames.length; i++) { Object service = null; try { service = ApsWebApplicationUtils.getWebApplicationContext(request).getBean(defNames[i]); } catch (Throwable t) { _logger.error("error loading ReferencingObject ", t); service = null; } if (service != null) { ContentUtilizer contentUtilizer = (ContentUtilizer) service; List<Object> utilizers = contentUtilizer.getContentUtilizers(content.getId()); if (null == utilizers) { continue; } Lang lang = this.getLangManager().getDefaultLang(); for (int j = 0; j < utilizers.size(); j++) { Object object = utilizers.get(j); if (service instanceof IContentManager && object instanceof String) { //Content ID Content refContent = this.getContentManager().loadContent(object.toString(), true); if (!content.getMainGroup().equals(refContent.getMainGroup()) && !content.getGroups().contains(refContent.getMainGroup())) { String[] args = { this.getGroupManager().getGroup(refContent.getMainGroup()) .getDescription(), object.toString() + " '" + refContent.getDescription() + "'" }; action.addFieldError("mainGroup", action.getText("error.content.referencedContent.wrongGroups", args)); } } else if (object instanceof IPage) { //Content ID IPage page = (IPage) object; if (!CmsPageActionUtil.isContentPublishableOnPage(content, page)) { List<String> pageGroups = new ArrayList<String>(); pageGroups.add(page.getGroup()); if (null != page.getExtraGroups()) { pageGroups.addAll(page.getExtraGroups()); } String[] args = { pageGroups.toString(), page.getTitle(lang.getCode()) }; action.addFieldError("mainGroup", action.getText("error.content.referencedPage.wrongGroups", args)); } } } } } } catch (Throwable t) { throw new ApsSystemException("Error in hasReferencingObject method", t); } } } @Override public ActivityStreamInfo createActivityStreamInfo(Content content, int strutsAction, boolean addLink) { ActivityStreamInfo asi = new ActivityStreamInfo(); asi.setActionType(strutsAction); Lang defaultLang = this.getLangManager().getDefaultLang(); Properties titles = new Properties(); titles.setProperty(defaultLang.getCode(), (null != content.getDescription()) ? content.getDescription() : "-"); asi.setObjectTitles(titles); if (addLink) { asi.setLinkNamespace("/do/jacms/Content"); asi.setLinkActionName("edit"); asi.addLinkParameter("contentId", content.getId()); asi.setLinkAuthGroup(content.getMainGroup()); asi.setLinkAuthPermission(Permission.CONTENT_EDITOR); } List<String> groupCodes = new ArrayList<String>(); if (null != content.getMainGroup()) { groupCodes.addAll(content.getGroups()); } groupCodes.add(content.getMainGroup()); asi.setGroups(groupCodes); return asi; } protected IContentManager getContentManager() { return _contentManager; } public void setContentManager(IContentManager contentManager) { this._contentManager = contentManager; } protected IContentAuthorizationHelper getContentAuthorizationHelper() { return _contentAuthorizationHelper; } public void setContentAuthorizationHelper(IContentAuthorizationHelper contentAuthorizationHelper) { this._contentAuthorizationHelper = contentAuthorizationHelper; } private IContentManager _contentManager; private IContentAuthorizationHelper _contentAuthorizationHelper; }