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.InputStream;
019
020import org.apache.commons.codec.digest.DigestUtils;
021
022import org.ametys.core.util.FilenameUtils;
023import org.ametys.plugins.explorer.resources.Resource;
024import org.ametys.web.explorer.ResourceHelper;
025
026/**
027 * Implementation of a {@link AbstractConvertDocument2ImagesComponent} for a {@link Resource}
028 */
029public class ConvertResource2ImagesComponent extends AbstractConvertDocument2ImagesComponent
030{   
031    /** Avalon ROLE. */
032    public static final String ROLE = ConvertResource2ImagesComponent.class.getName();
033    
034    /**
035     * Put the file in cache
036     * @param resource the resource to cache
037     * @param siteName the name of the site
038     * @return The absolute cache path
039     * @throws Exception if an error occurs while caching the file
040     */
041    public String doCache(Resource resource, String siteName) throws Exception
042    {
043        // Ensure the base folder exists.
044        String cachePath = _getCacheDirectory(resource, siteName);
045        
046        try (InputStream is = resource.getInputStream(); InputStream is2 = resource.getInputStream())
047        {
048            String md5sum = DigestUtils.md5Hex(is);
049            return cache(cachePath, md5sum, is2, resource.getName(), resource.getId(), resource.getMimeType());
050        }
051    }
052    
053    private String _getCacheDirectory(Resource resource, String siteName)
054    {
055        
056        String fullPath = resource.getPath();
057        if (fullPath.startsWith(ResourceHelper.SHARED_RESOURCE_PATH))
058        {
059            // Shared resources.
060            return "/shared-resources" + FilenameUtils.encodePath(fullPath.substring(ResourceHelper.SHARED_RESOURCE_PATH.length()));
061        }
062
063        StringBuilder buff = new StringBuilder();
064
065        // Non-shared resources.
066        buff.append("/");
067        buff.append(siteName);
068        buff.append("/resources");
069        
070        buff.append(FilenameUtils.encodePath(resource.getResourcePath()));
071        
072        return buff.toString();
073    }
074}