001/*
002 *  Copyright 2014 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.flipbook;
017
018import java.io.UnsupportedEncodingException;
019import java.net.URLDecoder;
020import java.util.HashMap;
021import java.util.Map;
022
023import org.apache.avalon.framework.parameters.Parameters;
024import org.apache.avalon.framework.service.ServiceException;
025import org.apache.avalon.framework.service.ServiceManager;
026import org.apache.cocoon.acting.ServiceableAction;
027import org.apache.cocoon.environment.ObjectModelHelper;
028import org.apache.cocoon.environment.Redirector;
029import org.apache.cocoon.environment.Request;
030import org.apache.cocoon.environment.SourceResolver;
031
032import org.ametys.plugins.explorer.resources.Resource;
033import org.ametys.plugins.repository.AmetysObjectResolver;
034
035/**
036 * Action to convert a resource file into images.
037 */
038public class ConvertResource2ImagesAction extends ServiceableAction
039{
040    /** The ametys object resolver. */
041    protected AmetysObjectResolver _resolver;
042    /** The component for conversion */
043    protected ConvertResource2ImagesComponent _resourceComponent;
044    
045    @Override
046    public void service(ServiceManager serviceManager) throws ServiceException
047    {
048        super.service(serviceManager);
049        _resolver = (AmetysObjectResolver) serviceManager.lookup(AmetysObjectResolver.ROLE);
050        _resourceComponent = (ConvertResource2ImagesComponent) serviceManager.lookup(ConvertResource2ImagesComponent.ROLE);
051    }
052    
053    @Override
054    public Map act(Redirector redirector, SourceResolver resolver, Map objectModel, String source, Parameters parameters) throws Exception
055    {
056        Request request = ObjectModelHelper.getRequest(objectModel);
057        String siteName = (String) request.getAttribute("site");
058        
059        // Get the resource.
060        String resourcePath = parameters.getParameter("path", request.getParameter("path"));
061        Resource resource = _resolver.resolveByPath(_decodePath(resourcePath.substring(1)));
062        
063        String cachePath = _resourceComponent.doCache(resource, siteName);
064
065        request.setAttribute(ImagesGenerator.IMAGES_DIRECTORY_PATH_REQUEST_ATTR, cachePath);
066        
067        Map<String, String> result = new HashMap<>();
068        result.put("resourceId", resource.getId());
069        return result;
070    }
071    
072    /**
073     * Decode the resource path
074     * @param path the resource path
075     * @return the decoded resource path
076     * @throws UnsupportedEncodingException if UTF-8 encoding is not supported
077     */
078    protected String _decodePath (String path) throws UnsupportedEncodingException
079    {
080        StringBuffer sb = new StringBuffer();
081        
082        String[] parts = path.split("/");
083        for (String part : parts)
084        {
085            sb.append("/");
086            sb.append(URLDecoder.decode(part, "utf-8"));
087        }
088        return sb.toString();
089    }
090}