eu.europa.esig.dss.tsl.cache.access.ReadOnlyCacheAccess Maven / Gradle / Ivy
/**
* DSS - Digital Signature Services
* Copyright (C) 2015 European Commission, provided under the CEF programme
*
* This file is part of the "DSS - Digital Signature Services" project.
*
* 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.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package eu.europa.esig.dss.tsl.cache.access;
import eu.europa.esig.dss.tsl.cache.CacheKey;
import eu.europa.esig.dss.tsl.cache.DownloadCache;
import eu.europa.esig.dss.tsl.cache.ParsingCache;
import eu.europa.esig.dss.tsl.cache.ValidationCache;
import eu.europa.esig.dss.tsl.dto.DownloadCacheDTO;
import eu.europa.esig.dss.tsl.dto.ParsingCacheDTO;
import eu.europa.esig.dss.tsl.dto.ValidationCacheDTO;
import eu.europa.esig.dss.tsl.dto.builder.DownloadCacheDTOBuilder;
import eu.europa.esig.dss.tsl.dto.builder.ParsingCacheDTOBuilder;
import eu.europa.esig.dss.tsl.dto.builder.ValidationCacheDTOBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.HashSet;
import java.util.Set;
/**
* Reads the relevant cache by the given key
*/
public class ReadOnlyCacheAccess {
private static final Logger LOG = LoggerFactory.getLogger(ReadOnlyCacheAccess.class);
/** Global download Cache */
protected final DownloadCache downloadCache;
/** Global parsing Cache */
protected final ParsingCache parsingCache;
/** Global validation Cache */
protected final ValidationCache validationCache;
/**
* Default constructor
*
* @param fileCache {@link DownloadCache}
* @param parsingCache {@link ParsingCache}
* @param validationCache {@link ValidationCache}
*/
public ReadOnlyCacheAccess(final DownloadCache fileCache, final ParsingCache parsingCache,
final ValidationCache validationCache) {
this.downloadCache = fileCache;
this.parsingCache = parsingCache;
this.validationCache = validationCache;
}
/**
* Returns download cache DTO result
*
* @param key {@link CacheKey} to extract download result for
* @return {@link DownloadCacheDTO}
*/
public DownloadCacheDTO getDownloadCacheDTO(final CacheKey key) {
LOG.trace("Extracting a download cache for an entry with the key [{}]", key);
return new DownloadCacheDTOBuilder(downloadCache.get(key)).build();
}
/**
* Returns download cache DTO result
*
* @param key {@link CacheKey} to extract download result for
* @return {@link DownloadCacheDTO}
*/
public ParsingCacheDTO getParsingCacheDTO(final CacheKey key) {
LOG.trace("Extracting a parsing cache for an entry with the key [{}]", key);
return new ParsingCacheDTOBuilder(parsingCache.get(key)).build();
}
/**
* Returns download cache DTO result
*
* @param key {@link CacheKey} to extract download result for
* @return {@link DownloadCacheDTO}
*/
public ValidationCacheDTO getValidationCacheDTO(final CacheKey key) {
LOG.trace("Extracting a validation cache for an entry with the key [{}]", key);
return new ValidationCacheDTOBuilder(validationCache.get(key)).build();
}
/**
* This method returns all found keys in any cache
*
* @return a set of cache keys
*/
public Set getAllCacheKeys() {
Set keys = new HashSet<>();
keys.addAll(downloadCache.getKeys());
keys.addAll(parsingCache.getKeys());
keys.addAll(validationCache.getKeys());
return keys;
}
}