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.plugins.explorer.resources.generators;
017
018import java.io.IOException;
019import java.util.Set;
020
021import org.apache.avalon.framework.service.ServiceException;
022import org.apache.avalon.framework.service.ServiceManager;
023import org.apache.cocoon.ProcessingException;
024import org.apache.cocoon.environment.ObjectModelHelper;
025import org.apache.cocoon.environment.Request;
026import org.apache.cocoon.generation.ServiceableGenerator;
027import org.apache.cocoon.xml.AttributesImpl;
028import org.apache.cocoon.xml.XMLUtils;
029import org.xml.sax.SAXException;
030
031import org.ametys.core.right.RightManager;
032import org.ametys.core.user.CurrentUserProvider;
033import org.ametys.core.user.UserIdentity;
034import org.ametys.plugins.explorer.ExplorerNode;
035import org.ametys.plugins.repository.AmetysObjectResolver;
036
037/**
038 * SAX the users rights on resource
039 */
040
041public class UserRightsGenerator extends ServiceableGenerator
042{
043    private AmetysObjectResolver _resolver;
044
045    private RightManager _rightManager;
046
047    private CurrentUserProvider _userProvider;
048
049    @Override
050    public void service(ServiceManager serviceManager) throws ServiceException
051    {
052        super.service(serviceManager);
053
054        _resolver = (AmetysObjectResolver) serviceManager.lookup(AmetysObjectResolver.ROLE);
055        _rightManager = (RightManager) serviceManager.lookup(RightManager.ROLE);
056        _userProvider = (CurrentUserProvider) serviceManager.lookup(CurrentUserProvider.ROLE);
057    }
058    @Override
059    public void generate() throws IOException, SAXException, ProcessingException
060    {
061        Request request = ObjectModelHelper.getRequest(objectModel);
062        String id = request.getParameter("explorerNodeId");
063        
064        ExplorerNode node = (ExplorerNode) _resolver.resolveById(id);
065        
066        UserIdentity user = _userProvider.getUser();
067        Set<String> rights = _rightManager.getUserRights(user, node);
068
069        contentHandler.startDocument();
070        XMLUtils.startElement(contentHandler, "user-rights");
071
072        for (String rightID : rights)
073        {
074            AttributesImpl rightAttr = new AttributesImpl();
075            rightAttr.addCDATAAttribute("id", rightID);
076            XMLUtils.createElement(contentHandler, "right", rightAttr);
077        }
078        
079        XMLUtils.endElement(contentHandler, "user-rights");
080        contentHandler.endDocument();
081
082    }
083
084}