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; 021import org.apache.tika.io.IOUtils; 022 023import org.ametys.plugins.explorer.resources.Resource; 024 025/** 026 * Implementation of a {@link AbstractConvertDocument2ImagesComponent} for a content attachment 027 */ 028public class ConvertContentAttachment2ImagesComponent extends AbstractConvertDocument2ImagesComponent 029{ 030 /** Avalon ROLE. */ 031 public static final String ROLE = ConvertContentAttachment2ImagesComponent.class.getName(); 032 033 /** 034 * Put the file in cache 035 * @param resource the resource 036 * @param contentName the name of the content 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 contentName, String siteName) throws Exception 042 { 043 // Ensure the base folder exists. 044 String cachePath = _getCacheDirectory (resource, contentName, siteName); 045 046 InputStream is = null; 047 InputStream is2 = null; 048 try 049 { 050 is = resource.getInputStream(); 051 String md5sum = DigestUtils.md5Hex(is); 052 053 is2 = resource.getInputStream(); 054 return cache(cachePath, md5sum, is2, resource.getName(), resource.getId(), resource.getMimeType()); 055 } 056 finally 057 { 058 IOUtils.closeQuietly(is); 059 IOUtils.closeQuietly(is2); 060 } 061 062 } 063 064 private String _getCacheDirectory(Resource resource, String contentName, String siteName) 065 { 066 StringBuilder buff = new StringBuilder(); 067 068 // Content attachments. 069 buff.append("/"); 070 buff.append(siteName); 071 buff.append("/contents/").append(contentName).append("/attachments"); 072 buff.append(resource.getResourcePath()); 073 074 return buff.toString(); 075 } 076}