001/* 002 * (C) Copyright 2015 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.web.resources.wro.provider; 018 019import java.io.IOException; 020import java.io.InputStream; 021 022import org.apache.commons.logging.Log; 023import org.apache.commons.logging.LogFactory; 024import org.nuxeo.ecm.web.resources.api.Resource; 025import org.nuxeo.ecm.web.resources.api.service.WebResourceManager; 026import org.nuxeo.runtime.api.Framework; 027 028import ro.isdc.wro.model.group.Inject; 029import ro.isdc.wro.model.resource.locator.UriLocator; 030import ro.isdc.wro.model.resource.locator.factory.UriLocatorFactory; 031 032/** 033 * Nuxeo URI locator, made available to all wro resources thanks to {@link NuxeoConfigurableProvider}. 034 * 035 * @since 7.3 036 */ 037public class NuxeoUriLocator implements UriLocator { 038 039 private static final Log log = LogFactory.getLog(NuxeoUriLocator.class); 040 041 public static final String ALIAS = "nuxeoUri"; 042 043 @Inject 044 UriLocatorFactory uriLocatorFactory; 045 046 @Override 047 public boolean accept(String uri) { 048 return uri != null && uri.startsWith(Resource.PREFIX); 049 } 050 051 @Override 052 public InputStream locate(String uri) throws IOException { 053 Resource resource = getResource(uri); 054 if (resource != null) { 055 String ruri = resource.getURI(); 056 if (ruri == null) { 057 log.error(String.format("Cannot handle resource '%s': no resolved uri", resource.getName())); 058 return null; 059 } 060 final UriLocator uriLocator = uriLocatorFactory.getInstance(ruri); 061 if (uriLocator != null) { 062 return uriLocator.locate(ruri); 063 } 064 } 065 return null; 066 } 067 068 public static Resource getResource(String uri) { 069 // resolve resource from Nuxeo service 070 String name = uri.substring(Resource.PREFIX.length()); 071 WebResourceManager service = Framework.getService(WebResourceManager.class); 072 return service.getResource(name); 073 } 074 075 public static String getUri(Resource resource) { 076 return String.format("%s%s", Resource.PREFIX, resource.getName()); 077 } 078 079 public static boolean isProcessorEnabled(String alias, String uri) { 080 Resource res = getResource(uri); 081 if (res != null) { 082 return res.getProcessors().contains(alias); 083 } 084 return false; 085 } 086 087}