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.util.HashMap;
019import java.util.Map;
020
021import org.apache.avalon.framework.parameters.Parameters;
022import org.apache.avalon.framework.service.ServiceException;
023import org.apache.avalon.framework.service.ServiceManager;
024import org.apache.cocoon.ProcessingException;
025import org.apache.cocoon.acting.ServiceableAction;
026import org.apache.cocoon.environment.ObjectModelHelper;
027import org.apache.cocoon.environment.Redirector;
028import org.apache.cocoon.environment.Request;
029import org.apache.cocoon.environment.SourceResolver;
030
031import org.ametys.cms.repository.Content;
032import org.ametys.core.util.URIUtils;
033import org.ametys.plugins.explorer.resources.Resource;
034import org.ametys.plugins.repository.AmetysObject;
035import org.ametys.plugins.repository.AmetysObjectResolver;
036
037/**
038 * Action to convert a content attachment file into images.
039 */
040public class ConvertContentAttachment2ImagesAction extends ServiceableAction
041{
042    /** The ametys object resolver. */
043    protected AmetysObjectResolver _resolver;
044    
045    /** The component for conversion */
046    protected ConvertContentAttachment2ImagesComponent _attachmentComponent;
047    
048    @Override
049    public void service(ServiceManager serviceManager) throws ServiceException
050    {
051        super.service(serviceManager);
052        _resolver = (AmetysObjectResolver) serviceManager.lookup(AmetysObjectResolver.ROLE);
053        _attachmentComponent = (ConvertContentAttachment2ImagesComponent) serviceManager.lookup(ConvertContentAttachment2ImagesComponent.ROLE);
054    }
055    
056    @Override
057    public Map act(Redirector redirector, SourceResolver resolver, Map objectModel, String source, Parameters parameters) throws Exception
058    {
059        Request request = ObjectModelHelper.getRequest(objectModel);
060        String siteName = (String) request.getAttribute("site");
061        
062        // Get the resource.
063        String resourcePath = parameters.getParameter("path", request.getParameter("path"));
064        
065        try
066        {
067            Resource resource = _resolver.resolveByPath(URIUtils.decode(resourcePath));
068            
069            String cachePath = _attachmentComponent.doCache(resource, parameters.getParameter("contentName", null), siteName);
070            request.setAttribute(ImagesGenerator.IMAGES_DIRECTORY_PATH_REQUEST_ATTR, cachePath);
071            
072            // We need to set content in request attribute for content attachment resolver
073            Content content = _getContent(resource);
074            request.setAttribute(Content.class.getName(), content);
075            
076            Map<String, String> result = new HashMap<>();
077            result.put("resourceId", resource.getId());
078            return result;
079        }
080        catch (Exception e)
081        {
082            throw new ProcessingException("An error occurred during resolving resource path " + resourcePath, e);
083        }
084    }
085    
086    /**
087     * Get the content from resource
088     * @param resource The resource
089     * @return the content or null if not found
090     */
091    protected Content _getContent (Resource resource)
092    {
093        AmetysObject parent = resource.getParent();
094        
095        while (parent != null)
096        {
097            if (parent instanceof Content)
098            {
099                return (Content) parent;
100            }
101            
102            parent = parent.getParent();
103        }
104        
105        return null;
106    }
107}