001/* 002 * (C) Copyright 2006-2007 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Jean-Marc Orliaguet, Chalmers 018 * 019 * $Id$ 020 */ 021 022package org.nuxeo.theme.jsf.negotiation.perspective; 023 024import javax.faces.context.FacesContext; 025 026import org.nuxeo.theme.ApplicationType; 027import org.nuxeo.theme.Manager; 028import org.nuxeo.theme.ViewDef; 029import org.nuxeo.theme.negotiation.Scheme; 030import org.nuxeo.theme.perspectives.PerspectiveManager; 031import org.nuxeo.theme.types.TypeFamily; 032import org.nuxeo.theme.types.TypeRegistry; 033 034public final class ViewId implements Scheme { 035 036 public String getOutcome(final Object context) { 037 final String viewId = ((FacesContext) context).getViewRoot().getViewId(); 038 final TypeRegistry typeRegistry = Manager.getTypeRegistry(); 039 040 final String applicationPath = ((FacesContext) context).getExternalContext().getRequestContextPath(); 041 042 final ApplicationType application = (ApplicationType) typeRegistry.lookup(TypeFamily.APPLICATION, 043 applicationPath); 044 if (application == null) { 045 return null; 046 } 047 048 final ViewDef view = application.getViewById(viewId); 049 if (view == null) { 050 return null; 051 } 052 053 final String perspectiveName = view.getPerspective(); 054 if (PerspectiveManager.hasPerspective(perspectiveName)) { 055 return perspectiveName; 056 } 057 return null; 058 } 059}