/*
* Copyright (c) 2011 ICM Uniwersytet Warszawski All rights reserved.
* See LICENCE file for licensing information.
*/
package eu.emi.security.authn.x509.helpers.ns;
import java.io.File;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.WeakHashMap;
import eu.emi.security.authn.x509.helpers.CachedElement;
import eu.emi.security.authn.x509.helpers.ObserversHandler;
/**
* Globus EACL policies are loaded on demand by this store and are cached in memory. A
* weak hash map is used to cache data. Additionally the data is cached for no longer then the
* update interval, which in practice is the same as for the cooperating truststore.
* <p>
* This class it thread safe.
*
* @author K. Benedyczak
*/
public class LazyGlobusNamespacesStore extends AbstractGlobusNamespacesStore
{
/**
* This structure holds the namespaces cache. The primary map key is the hash
* name of the file from which some of the policies were loaded. At the same time it is a hash of the subject
* name of the CA for which the namespaces were directly defined.
* The internal map is indexed with issuer names, i.e. the names of the CA subjects for which we have policies.
* The value is a list with all the policies for the CA, in order of appearance in the policy file.
*/
protected Map<String, CachedElement<Map<String, List<NamespacePolicy>>>> policiesByName;
protected final String directory;
protected final long updateInterval;
public LazyGlobusNamespacesStore(ObserversHandler observers, boolean openssl1Mode, String directory,
long updateInterval)
{
super(observers, openssl1Mode);
this.policiesByName = new WeakHashMap<String, CachedElement<Map<String, List<NamespacePolicy>>>>(1);
this.directory = directory;
this.updateInterval = updateInterval;
}
@Override
public void setPolicies(Collection<String> locations)
{
}
@Override
protected List<NamespacePolicy> getPoliciesFor(String definedForHash, String issuerDn)
{
String path = directory + File.separator + definedForHash + SUFFIX;
return getCachedPolicies(policiesByName, definedForHash, issuerDn, path, updateInterval);
}
}