001/*
002 *  Copyright 2019 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.io.ByteArrayOutputStream;
019import java.io.IOException;
020
021import org.apache.commons.codec.digest.DigestUtils;
022import org.slf4j.Logger;
023import org.slf4j.LoggerFactory;
024
025import org.ametys.plugins.repository.data.repositorydata.RepositoryData;
026
027/**
028 * Class representing a binary
029 */
030public class Binary extends NamedResource implements File
031{
032    /** The binary's logger */
033    protected static Logger __logger = LoggerFactory.getLogger(Binary.class);
034
035    /** the binary's hash */
036    protected String _hash;
037    
038    /** The path of the resource in the repository */
039    protected String _path;
040    
041    /**
042     * Default constructor
043     */
044    public Binary()
045    {
046        // Empty constructor
047    }
048    
049    /**
050     * Constructor to use when reading the binary from the repository
051     * @param repositoryData the repository data containing the resource's data
052     * @param hash the hash of the resource's data
053     */
054    public Binary(RepositoryData repositoryData, String hash)
055    {
056        super(repositoryData);
057       
058        if (_repositoryData != null)
059        {
060            _path = repositoryData.getPath();
061        }
062        _hash = hash;
063    }
064    
065    @Override
066    protected void closeOutputStream(ByteArrayOutputStream outputStream) throws IOException
067    {
068        super.closeOutputStream(outputStream);
069        _hash = DigestUtils.sha1Hex(_buffer);
070    }
071
072    /**
073     * Retrieves the hash of the resource's data
074     * @return the hash of the resource's data
075     */
076    public String getHash()
077    {
078        return _hash;
079    }
080    
081    public String getName()
082    {
083        return getFilename();
084    }
085    
086    public String getPath()
087    {
088        return _path;
089    }
090}