001/*
002 * (C) Copyright 2014 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-2.1.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.platform.ui.web.application;
018
019import javax.faces.application.ResourceHandler;
020import javax.faces.application.ResourceHandlerWrapper;
021import javax.faces.application.ViewResource;
022import javax.faces.context.FacesContext;
023
024import org.nuxeo.ecm.web.resources.api.service.WebResourceManager;
025
026/**
027 * Custom resource handler resolving resources thanks to {@link WebResourceManager} service, and handling error
028 * management of unknown resources.
029 *
030 * @since 6.0
031 */
032public class NuxeoResourceHandler extends ResourceHandlerWrapper {
033
034    protected ResourceHandler wrapped;
035
036    public NuxeoResourceHandler(ResourceHandler wrapped) {
037        this.wrapped = wrapped;
038    }
039
040    @Override
041    public ViewResource createViewResource(FacesContext facesContext, String resourceName) {
042        if (resourceName.startsWith(NuxeoUnknownResource.MARKER)) {
043            return new NuxeoUnknownResource(resourceName.substring(NuxeoUnknownResource.MARKER.length()));
044        }
045        ViewResource res = wrapped.createViewResource(facesContext, resourceName);
046        if (res == null) {
047            res = new NuxeoUnknownResource(resourceName);
048        }
049        return res;
050    }
051
052    @Override
053    public ResourceHandler getWrapped() {
054        return wrapped;
055    }
056
057}