/*
 * Copyright (C) 2005-2011 Alfresco Software Limited.
 *
 * This file is part of Alfresco
 *
 * Alfresco is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Alfresco is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
 */
package org.alfresco.repo.download;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

import org.alfresco.model.ContentModel;
import org.alfresco.repo.security.authentication.AuthenticationUtil;
import org.alfresco.repo.security.authentication.AuthenticationUtil.RunAsWork;
import org.alfresco.service.cmr.repository.ContentIOException;
import org.alfresco.service.cmr.repository.ContentService;
import org.alfresco.service.cmr.repository.ContentWriter;
import org.alfresco.service.cmr.repository.NodeRef;
import org.springframework.util.FileCopyUtils;

/**
 * {@link ContentServiceHelper} implementation which uses the local ContentService to update the content.
 * 
 * @author Alex Miller
 */
public class LocalContentServiceHelper implements ContentServiceHelper
{

    private ContentService contentService;
    
    public void setContentService(ContentService contentService)
    {
        this.contentService = contentService;
    }

    @Override
    public void updateContent(final NodeRef downloadNode, final File archiveFile) throws ContentIOException, FileNotFoundException, IOException
    {
        //RunAsSystem to mimic clustered behavior, and bypass quotas when using S3 storage.
        AuthenticationUtil.runAsSystem(new RunAsWork<Object>()
        {
            @Override
            public Object doWork() throws Exception
            {
                ContentWriter writer = contentService.getWriter(downloadNode, ContentModel.PROP_CONTENT, true);
                FileCopyUtils.copy(new FileInputStream(archiveFile), writer.getContentOutputStream());
                return null;
            }
        });
    }
}