001/*
002 *  Copyright 2020 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.cms.data;
017
018import java.util.Collections;
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.acting.ServiceableAction;
025import org.apache.cocoon.environment.ObjectModelHelper;
026import org.apache.cocoon.environment.Redirector;
027import org.apache.cocoon.environment.Request;
028import org.apache.cocoon.environment.SourceResolver;
029
030import org.ametys.plugins.repository.AmetysObjectResolver;
031import org.ametys.plugins.repository.data.ametysobject.ModelLessDataAwareAmetysObject;
032
033/**
034 * Cocoon action for retriebing a {@link Binary}.
035 */
036public class GetBinaryAction extends ServiceableAction
037{
038    private AmetysObjectResolver _resolver;
039    
040    @Override
041    public void service(ServiceManager serviceManager) throws ServiceException
042    {
043        super.service(serviceManager);
044        _resolver = (AmetysObjectResolver) manager.lookup(AmetysObjectResolver.ROLE);
045    }
046
047    public Map<String, String> act(Redirector redirector, SourceResolver resolver, Map objectModel, String source, Parameters parameters) throws Exception
048    {
049        Request request = ObjectModelHelper.getRequest(objectModel);
050        
051        String id = parameters.getParameter("objectId", null);
052        String path = parameters.getParameter("path", null);
053        
054        int height = parameters.getParameterAsInteger("height", 0);
055        int width = parameters.getParameterAsInteger("width", 0);
056        int maxHeight = parameters.getParameterAsInteger("maxHeight", 0);
057        int maxWidth = parameters.getParameterAsInteger("maxWidth", 0);
058        
059        ModelLessDataAwareAmetysObject object = _resolver.resolveById(id);
060        Binary binary = object.getValue(path);
061        
062        request.setAttribute(Binary.class.getName(), binary);
063        
064        String filename = binary.getFilename();
065        
066        String baseName = org.apache.commons.io.FilenameUtils.getBaseName(filename);
067        String extension = org.apache.commons.io.FilenameUtils.getExtension(filename);
068
069        String uriArgument;
070        
071        if (height > 0 && width > 0)
072        {
073            uriArgument = '_' + String.valueOf(height) + 'x' + String.valueOf(width);
074        }
075        else if (maxHeight > 0 && maxWidth > 0)
076        {
077            uriArgument = "_max" + String.valueOf(maxHeight) + 'x' + String.valueOf(maxWidth);
078        }
079        else
080        {
081            uriArgument = "";
082        }
083        
084        return Collections.singletonMap("filename", baseName + uriArgument + (extension.isEmpty() ? "" : "." + extension));
085    }
086}