001/*
002 *  Copyright 2010 Anyware Services
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 */
016package org.ametys.web.editor;
017
018import org.apache.avalon.framework.service.ServiceException;
019import org.apache.avalon.framework.service.ServiceManager;
020import org.apache.cocoon.components.ContextHelper;
021import org.apache.cocoon.environment.Request;
022import org.apache.commons.lang3.StringUtils;
023
024import org.ametys.cms.transformation.URIResolver;
025import org.ametys.plugins.repository.data.ametysobject.ModelAwareDataAwareAmetysObject;
026import org.ametys.web.URIPrefixHandler;
027import org.ametys.web.WebHelper;
028import org.ametys.web.renderingcontext.RenderingContext;
029import org.ametys.web.renderingcontext.RenderingContextHandler;
030import org.ametys.web.repository.site.Site;
031import org.ametys.web.repository.site.SiteManager;
032
033/**
034 * {@link URIResolver} for type "attribute".<br>
035 * These links or images point to a file from the attribute of the current Content.
036 */
037public class AttributeURIResolver extends org.ametys.cms.transformation.AttributeURIResolver
038{
039    /** The URI prefix handler */
040    protected URIPrefixHandler _prefixHandler;
041
042    private RenderingContextHandler _renderingContexthandler;
043    private SiteManager _siteManager;
044
045    @Override
046    public void service(ServiceManager manager) throws ServiceException
047    {
048        super.service(manager);
049        _prefixHandler = (URIPrefixHandler) manager.lookup(URIPrefixHandler.ROLE);
050        _renderingContexthandler = (RenderingContextHandler) manager.lookup(RenderingContextHandler.ROLE);
051        _siteManager = (SiteManager) manager.lookup(SiteManager.ROLE);
052    }
053    
054    @Override
055    protected String getUri(String path, ModelAwareDataAwareAmetysObject object, boolean download, boolean absolute, boolean internal)
056    {
057        Request request = ContextHelper.getRequest(_context);
058        
059        String siteName = WebHelper.getSiteName(request, object);
060        
061        if (StringUtils.isEmpty(siteName))
062        {
063            return super.getUri(path, object, download, absolute, internal);
064        }
065        
066        if (internal)
067        {
068            return "cocoon://" + siteName + path;
069        }
070        else if (absolute)
071        {
072            if (_renderingContexthandler.getRenderingContext() == RenderingContext.FRONT)
073            {
074                Site site = _siteManager.getSite(siteName);
075                
076                String[] aliases = site.getUrlAliases();
077                return aliases[Math.abs(path.hashCode()) % aliases.length] + path;
078            }
079            
080            return _prefixHandler.getAbsoluteUriPrefix() + "/" + siteName + path;
081        }
082        else
083        {
084            return _prefixHandler.getUriPrefix(siteName) + path;
085        }
086    }
087}