001/* 002 * (C) Copyright 2006-2007 Nuxeo SAS <http://nuxeo.com> and others 003 * 004 * All rights reserved. This program and the accompanying materials 005 * are made available under the terms of the Eclipse Public License v1.0 006 * which accompanies this distribution, and is available at 007 * http://www.eclipse.org/legal/epl-v10.html 008 * 009 * Contributors: 010 * Jean-Marc Orliaguet, Chalmers 011 * 012 * $Id$ 013 */ 014 015package org.nuxeo.theme.webengine.negotiation.engine; 016 017import org.nuxeo.ecm.webengine.model.Resource; 018import org.nuxeo.ecm.webengine.model.WebContext; 019import org.nuxeo.theme.ApplicationType; 020import org.nuxeo.theme.Manager; 021import org.nuxeo.theme.ViewDef; 022import org.nuxeo.theme.negotiation.Scheme; 023import org.nuxeo.theme.types.TypeFamily; 024import org.nuxeo.theme.types.TypeRegistry; 025 026public final class ViewId implements Scheme { 027 028 public String getOutcome(final Object context) { 029 WebContext webContext = (WebContext) context; 030 final TypeRegistry typeRegistry = Manager.getTypeRegistry(); 031 final ApplicationType application = (ApplicationType) typeRegistry.lookup(TypeFamily.APPLICATION, 032 webContext.getModulePath(), webContext.getModule().getName()); 033 if (application == null) { 034 return null; 035 } 036 037 Resource targetObject = webContext.getTargetObject(); 038 if (targetObject == null) { 039 return null; 040 } 041 final String rootPath = webContext.getRoot().getPath(); 042 final String viewId = targetObject.getPath().substring(rootPath.length()); 043 044 final ViewDef view = application.getViewById(viewId); 045 if (view == null) { 046 return null; 047 } 048 final String engineName = view.getEngine(); 049 if (engineName == null) { 050 return null; 051 } 052 if (Manager.getTypeRegistry().lookup(TypeFamily.ENGINE, engineName) != null) { 053 return engineName; 054 } 055 return null; 056 } 057}