001/* 002 * (C) Copyright 2011 Nuxeo SA (http://nuxeo.com/) and contributors. 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the GNU Lesser General Public License 006 * (LGPL) version 2.1 which accompanies this distribution, and is available at 007 * http://www.gnu.org/licenses/lgpl.html 008 * 009 * This library is distributed in the hope that it will be useful, 010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 012 * Lesser General Public License for more details. 013 * 014 * Contributors: 015 * Anahide Tchertchian 016 */ 017package org.nuxeo.ecm.localconf; 018 019import java.util.List; 020 021import javax.faces.context.FacesContext; 022 023import org.apache.commons.logging.Log; 024import org.apache.commons.logging.LogFactory; 025import org.jboss.seam.Component; 026import org.nuxeo.ecm.core.api.DocumentModel; 027import org.nuxeo.runtime.api.Framework; 028import org.nuxeo.theme.localconfiguration.LocalThemeConfig; 029import org.nuxeo.theme.localconfiguration.LocalThemeHelper; 030import org.nuxeo.theme.styling.negotiation.AbstractNegotiator; 031import org.nuxeo.theme.styling.service.ThemeStylingService; 032 033/** 034 * Returns the flavor associated to the current space (workspace, section, ...) as a String. Return null otherwise. 035 * 036 * @since 5.5 037 */ 038public class LocalThemeFlavor extends AbstractNegotiator { 039 040 private static final Log log = LogFactory.getLog(LocalThemeFlavor.class); 041 042 @Override 043 public String getResult(String target, Object context) { 044 Boolean useOldThemeConf = Boolean.valueOf(Framework.getProperty(LocalThemeConfig.OLD_THEME_CONFIGURATION_PROPERTY)); 045 if (Boolean.TRUE.equals(useOldThemeConf)) { 046 return null; 047 } 048 049 DocumentModel currentSuperSpace = (DocumentModel) Component.getInstance("currentSuperSpace"); 050 if (currentSuperSpace == null) { 051 return null; 052 } 053 054 // Get the placeful local theme configuration for the current 055 // workspace. 056 LocalThemeConfig localThemeConfig = LocalThemeHelper.getLocalThemeConfig(currentSuperSpace); 057 if (localThemeConfig == null) { 058 return null; 059 } 060 061 // extract the flavor 062 String flavor = localThemeConfig.getFlavor(); 063 if (flavor == null) { 064 return null; 065 } 066 067 // Check that the theme page accepts this flavor 068 FacesContext faces = null; 069 if (context instanceof FacesContext) { 070 faces = (FacesContext) context; 071 } else { 072 return null; 073 } 074 String theme = (String) faces.getExternalContext().getRequestMap().get(getProperty("negotiatedPageVariable")); 075 if (theme != null) { 076 ThemeStylingService service = Framework.getService(ThemeStylingService.class); 077 if (service == null) { 078 log.error("Could not find the ThemeStylingService"); 079 return null; 080 } 081 List<String> flavors = service.getFlavorNames(theme); 082 if (flavors != null && flavors.contains(flavor)) { 083 return flavor; 084 } else { 085 if (log.isDebugEnabled()) { 086 log.debug(String.format("Local configuration: current theme page " 087 + "'%s' does not accept the flavor '%s'", theme, flavor)); 088 } 089 } 090 } 091 return null; 092 } 093}