/* * * Copyright 2013 Entando S.r.l. (http://www.entando.com) All rights reserved. * * This file is part of Entando software. * Entando is a free software; * You can redistribute it and/or modify it * under the terms of the GNU General Public License (GPL) as published by the Free Software Foundation; version 2. * * See the file License for the specific language governing permissions * and limitations under the License * * * * Copyright 2013 Entando S.r.l. (http://www.entando.com) All rights reserved. * */ package com.agiletec.plugins.jpmyportalplus.aps.system.services.config.parse; import java.io.StringReader; import java.util.Iterator; import java.util.List; import java.util.Set; import java.util.TreeSet; import org.jdom.Document; import org.jdom.Element; import org.jdom.input.SAXBuilder; import org.jdom.output.XMLOutputter; import com.agiletec.aps.system.ApsSystemUtils; import com.agiletec.aps.system.exception.ApsSystemException; import com.agiletec.plugins.jpmyportalplus.aps.system.services.config.model.MyPortalConfig; /** * This class parses the configuration of jpmyportal * @author E.Santoboni - E. Mezzano */ public class MyPortalPlusConfigDOM { public MyPortalConfig extractConfig(String xml) throws ApsSystemException { Element root = this.getRootElement(xml); MyPortalConfig config = new MyPortalConfig(); this.extractWidgetConfig(root, config); return config; } /** * Create an xml containing the MyPortal configuration. * @param config The MyPortal configuration. * @return The xml containing the configuration. * @throws ApsSystemException In case of errors. */ public String createConfigXml(MyPortalConfig config) throws ApsSystemException { Element root = this.createConfigElement(config); Document doc = new Document(root); String xml = new XMLOutputter().outputString(doc); return xml; } private void extractWidgetConfig(Element root, MyPortalConfig config) { Element element = root.getChild(ALLOWED_WIDGETS_ELEM); if (null == element) { element = root.getChild(ALLOWED_SHOWLETS_ELEM); } Set<String> allowedWidgets = new TreeSet<String>(); if (null != element) { List<Element> codeElements = element.getChildren(WIDGET_ELEM); if (null == codeElements || codeElements.isEmpty()) { codeElements = element.getChildren(SHOWLET_ELEM); } if (null != codeElements) { for (Element codeElem : codeElements) { String code = codeElem.getAttributeValue(WIDGET_CODE_ATTR); allowedWidgets.add(code); } } } config.setAllowedShowlets(allowedWidgets); } /** * Create the configuration element for the myportal service. * @param config The configuration of myportal service * @return the configuration of this plugin. */ private Element createConfigElement(MyPortalConfig config) { Element configElem = new Element(ROOT); Element allowedShowletsElem = this.createShowletsElement(config); configElem.addContent(allowedShowletsElem); return configElem; } private Element createShowletsElement(MyPortalConfig config) { Element showletsElement = new Element(ALLOWED_WIDGETS_ELEM); Set<String> showlets = config.getAllowedShowlets(); if (null != showlets && showlets.size() > 0) { Iterator<String> iter = showlets.iterator(); while (iter.hasNext()) { String showletCode = iter.next(); Element showletElem = new Element(WIDGET_ELEM); showletElem.setAttribute(WIDGET_CODE_ATTR, showletCode); showletsElement.addContent(showletElem); } } return showletsElement; } /** * Returns the XML element from a given text. * @param xmlText The text containing an Xml. * @return The XML element from a given text. * @throws ApsSystemException In case of parsing exceptions. */ private Element getRootElement(String xmlText) throws ApsSystemException { SAXBuilder builder = new SAXBuilder(); builder.setValidation(false); StringReader reader = new StringReader(xmlText); Element root = null; try { Document doc = builder.build(reader); root = doc.getRootElement(); } catch (Throwable t) { ApsSystemUtils.getLogger().error("Error parsing xml: " + t.getMessage()); throw new ApsSystemException("Error parsing xml", t); } return root; } private static final String ROOT = "myportalConfig"; @Deprecated private static final String ALLOWED_SHOWLETS_ELEM = "showlets"; private static final String ALLOWED_WIDGETS_ELEM = "widgets"; @Deprecated private static final String SHOWLET_ELEM = "showlet"; private static final String WIDGET_ELEM = "widget"; private static final String WIDGET_CODE_ATTR = "code"; }