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.jsf.negotiation.perspective; 016 017import javax.faces.context.FacesContext; 018 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.perspectives.PerspectiveManager; 024import org.nuxeo.theme.types.TypeFamily; 025import org.nuxeo.theme.types.TypeRegistry; 026 027public final class ViewId implements Scheme { 028 029 public String getOutcome(final Object context) { 030 final String viewId = ((FacesContext) context).getViewRoot().getViewId(); 031 final TypeRegistry typeRegistry = Manager.getTypeRegistry(); 032 033 final String applicationPath = ((FacesContext) context).getExternalContext().getRequestContextPath(); 034 035 final ApplicationType application = (ApplicationType) typeRegistry.lookup(TypeFamily.APPLICATION, 036 applicationPath); 037 if (application == null) { 038 return null; 039 } 040 041 final ViewDef view = application.getViewById(viewId); 042 if (view == null) { 043 return null; 044 } 045 046 final String perspectiveName = view.getPerspective(); 047 if (PerspectiveManager.hasPerspective(perspectiveName)) { 048 return perspectiveName; 049 } 050 return null; 051 } 052}