org.opencms.pdftools.CmsPdfThumbnailCache Maven / Gradle / Ivy
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/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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.
*
* For further information about Alkacon Software, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.pdftools;
import org.opencms.cache.CmsVfsNameBasedDiskCache;
import org.opencms.file.CmsResource;
import org.opencms.file.wrapper.CmsWrappedResource;
import org.opencms.main.OpenCms;
import org.opencms.util.CmsFileUtil;
/**
* Cache for PDF thumbnails.
*/
public class CmsPdfThumbnailCache extends CmsVfsNameBasedDiskCache {
/** The folder name for the cache folder. */
public static final String PDF_CACHE_FOLDER = "imagecache/pdfthumbnails";
/**
* Creates a new cache instance.
*/
public CmsPdfThumbnailCache() {
super(OpenCms.getSystemInfo().getWebInfRfsPath(), PDF_CACHE_FOLDER);
}
/**
* @see org.opencms.cache.CmsVfsNameBasedDiskCache#getCacheName(org.opencms.file.CmsResource, java.lang.String)
*/
@Override
public String getCacheName(CmsResource resource, String parameters) {
String extension = CmsFileUtil.getExtension(resource.getRootPath());
CmsWrappedResource wrapper = new CmsWrappedResource(resource);
String fakePath = "/thumbnail_" + resource.getStructureId() + extension;
wrapper.setRootPath(fakePath);
CmsResource fakeResource = wrapper.getResource();
return super.getCacheName(fakeResource, parameters);
}
}