Java tutorial
/** * * Copyright (c) 2000-2012 Liferay, Inc. 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. * * Copyright (c) 2009-2014 Cmara dos Deputados. Todos os direitos reservados. * * e-Democracia um software livre; voc pode redistribu-lo e/ou modific-lo dentro * dos termos da Licena Pblica Geral Menor GNU como publicada pela Fundao do * Software Livre (FSF); na verso 2.1 da Licena, ou (na sua opinio) qualquer verso. * * Este programa distribudo na esperana de que possa ser til, mas SEM NENHUMA GARANTIA; * sem uma garantia implcita de ADEQUAO a qualquer MERCADO ou APLICAO EM PARTICULAR. * Veja a Licena Pblica Geral Menor GNU para maiores detalhes. * */ package br.gov.camara.edemocracia.liferay.wiki.service.impl; import java.io.IOException; import java.io.StringWriter; import javax.portlet.PortletPreferences; import javax.portlet.WindowState; import net.htmlparser.jericho.Attribute; import net.htmlparser.jericho.Attributes; import net.htmlparser.jericho.HTMLElementName; import net.htmlparser.jericho.OutputDocument; import net.htmlparser.jericho.Source; import net.htmlparser.jericho.StartTag; import com.liferay.portal.kernel.exception.PortalException; import com.liferay.portal.kernel.exception.SystemException; import com.liferay.portal.kernel.util.HttpUtil; import com.liferay.portal.kernel.util.StringBundler; import com.liferay.portal.kernel.util.StringPool; import com.liferay.portal.kernel.util.Validator; import com.liferay.portal.service.ServiceContext; import com.liferay.portal.service.ServiceContextUtil; import com.liferay.portal.util.Portal; import com.liferay.portal.util.PortletKeys; import com.liferay.portal.util.SubscriptionSender; import com.liferay.portlet.wiki.model.WikiNode; import com.liferay.portlet.wiki.model.WikiPage; import com.liferay.portlet.wiki.service.impl.WikiPageLocalServiceImpl; import com.liferay.portlet.wiki.util.WikiUtil; /** * @author Robson Miranda * * Altera os links de mensagens do Wiki, de forma a apontar corretamente para os */ public class CDWikiPageLocalServiceImpl extends WikiPageLocalServiceImpl { protected void notifySubscribers(WikiNode node, WikiPage page, ServiceContext serviceContext, boolean update) throws PortalException, SystemException { PortletPreferences preferences = ServiceContextUtil.getPortletPreferences(serviceContext); if (preferences == null) { long ownerId = node.getGroupId(); int ownerType = PortletKeys.PREFS_OWNER_TYPE_GROUP; long plid = PortletKeys.PREFS_PLID_SHARED; String portletId = PortletKeys.WIKI; String defaultPreferences = null; preferences = portletPreferencesLocalService.getPreferences(node.getCompanyId(), ownerId, ownerType, plid, portletId, defaultPreferences); } if (!update && WikiUtil.getEmailPageAddedEnabled(preferences)) { } else if (update && WikiUtil.getEmailPageUpdatedEnabled(preferences)) { } else { return; } String portalURL = serviceContext.getPortalURL(); String layoutFullURL = serviceContext.getLayoutFullURL(); WikiPage previousVersionPage = getPreviousVersionPage(page); String attachmentURLPrefix = portalURL + serviceContext.getPathMain() + "/wiki/get_page_attachment?p_l_id=" + serviceContext.getPlid() + "&nodeId=" + page.getNodeId() + "&title=" + HttpUtil.encodeURL(page.getTitle()) + "&fileName="; String pageDiffs = StringPool.BLANK; try { pageDiffs = WikiUtil.diffHtml(previousVersionPage, page, null, null, attachmentURLPrefix); } catch (Exception e) { } String pageContent = null; if (Validator.equals(page.getFormat(), "creole")) { pageContent = WikiUtil.convert(page, null, null, attachmentURLPrefix); } else { pageContent = page.getContent(); pageContent = WikiUtil.processContent(pageContent); } String pageURL = StringPool.BLANK; String diffsURL = StringPool.BLANK; if (Validator.isNotNull(layoutFullURL)) { pageURL = layoutFullURL + Portal.FRIENDLY_URL_SEPARATOR + "wiki/" + node.getNodeId() + StringPool.SLASH + HttpUtil.encodeURL(page.getTitle()); if (previousVersionPage != null) { StringBundler sb = new StringBundler(16); sb.append(layoutFullURL); sb.append("?p_p_id="); sb.append(PortletKeys.WIKI); sb.append("&p_p_state="); sb.append(WindowState.MAXIMIZED); sb.append("&struts_action="); sb.append(HttpUtil.encodeURL("/wiki/compare_versions")); sb.append("&nodeId="); sb.append(node.getNodeId()); sb.append("&title="); sb.append(HttpUtil.encodeURL(page.getTitle())); sb.append("&sourceVersion="); sb.append(previousVersionPage.getVersion()); sb.append("&targetVersion="); sb.append(page.getVersion()); sb.append("&type=html"); diffsURL = sb.toString(); } } String fromName = WikiUtil.getEmailFromName(preferences, page.getCompanyId()); String fromAddress = WikiUtil.getEmailFromAddress(preferences, page.getCompanyId()); String subjectPrefix = null; String body = null; String signature = null; if (update) { subjectPrefix = WikiUtil.getEmailPageUpdatedSubjectPrefix(preferences); body = WikiUtil.getEmailPageUpdatedBody(preferences); signature = WikiUtil.getEmailPageUpdatedSignature(preferences); } else { subjectPrefix = WikiUtil.getEmailPageAddedSubjectPrefix(preferences); body = WikiUtil.getEmailPageAddedBody(preferences); signature = WikiUtil.getEmailPageAddedSignature(preferences); } String subject = page.getTitle(); if (subject.indexOf(subjectPrefix) == -1) { subject = subjectPrefix + StringPool.SPACE + subject; } if (Validator.isNotNull(signature)) { body += "\n" + signature; } if (pageContent != null) pageContent = converteLinks(portalURL, pageContent); if (pageDiffs != null) pageDiffs = converteLinks(portalURL, pageDiffs); SubscriptionSender subscriptionSender = new SubscriptionSender(); subscriptionSender.setBody(body); subscriptionSender.setCompanyId(page.getCompanyId()); subscriptionSender.setContextAttributes("[$DIFFS_URL$]", diffsURL, "[$NODE_NAME$]", node.getName(), "[$PAGE_DATE_UPDATE$]", page.getModifiedDate(), "[$PAGE_ID$]", page.getPageId(), "[$PAGE_SUMMARY$]", page.getSummary(), "[$PAGE_TITLE$]", page.getTitle(), "[$PAGE_URL$]", pageURL); subscriptionSender.setContextAttribute("[$PAGE_CONTENT$]", pageContent, false); subscriptionSender.setContextAttribute("[$PAGE_DIFFS$]", replaceStyles(pageDiffs), false); subscriptionSender.setContextUserPrefix("PAGE"); subscriptionSender.setFrom(fromAddress, fromName); subscriptionSender.setHtmlFormat(true); subscriptionSender.setMailId("wiki_page", page.getNodeId(), page.getPageId()); subscriptionSender.setPortletId(PortletKeys.WIKI); subscriptionSender.setReplyToAddress(fromAddress); subscriptionSender.setScopeGroupId(node.getGroupId()); subscriptionSender.setServiceContext(serviceContext); subscriptionSender.setSubject(subject); subscriptionSender.setUserId(page.getUserId()); subscriptionSender.addPersistedSubscribers(WikiNode.class.getName(), node.getNodeId()); subscriptionSender.addPersistedSubscribers(WikiPage.class.getName(), page.getResourcePrimKey()); subscriptionSender.flushNotificationsAsync(); } private String converteLinks(String portalURL, String pageContent) { // **************************************** // Corrige links, imagens e estilos, utilizando // o Jericho HTML Parser Source source = new Source(pageContent); OutputDocument output = new OutputDocument(source); for (StartTag img : source.getAllStartTags()) { String tagName = img.getName(); if (!HTMLElementName.IMG.equalsIgnoreCase(tagName) && !HTMLElementName.LINK.equalsIgnoreCase(tagName) && !HTMLElementName.A.equalsIgnoreCase(tagName)) continue; Attributes atts = img.getAttributes(); Attribute att = null; if (HTMLElementName.IMG.equalsIgnoreCase(tagName)) att = atts.get("src"); else att = atts.get("href"); if (att != null && att.getValue() != null && att.getValue().startsWith("/")) { StringBuilder sb = new StringBuilder(att.getName()).append("=\""); sb.append(portalURL).append(att.getValue()); sb.append("\""); output.replace(att, sb.toString()); } } StringWriter writer = new StringWriter(); try { output.writeTo(writer); } catch (IOException ignore) { // Nunca deve ocorrer em stringwriter } finally { try { writer.close(); } catch (IOException ignore) { } } pageContent = writer.toString(); return pageContent; } }