org.apache.wss4j.common.cache.ReplayCacheFactory Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.wss4j.common.cache;
import java.io.IOException;
import java.net.URL;
import org.apache.wss4j.common.util.Loader;
/**
* An abstract factory to return a ReplayCache instance. It returns an EHCacheReplayCacheFactory
* if EH-Cache is available. Otherwise it returns a MemoryReplayCacheFactory.
*/
public abstract class ReplayCacheFactory {
private static final org.slf4j.Logger LOG =
org.slf4j.LoggerFactory.getLogger(ReplayCacheFactory.class);
private static boolean ehCacheInstalled;
static {
try {
Class cacheManagerClass = Class.forName("net.sf.ehcache.CacheManager");
if (cacheManagerClass != null) {
ehCacheInstalled = true;
}
} catch (Exception e) {
//ignore
LOG.debug(e.getMessage());
}
}
public static synchronized boolean isEhCacheInstalled() {
return ehCacheInstalled;
}
public static ReplayCacheFactory newInstance() {
if (isEhCacheInstalled()) {
return new EHCacheReplayCacheFactory();
}
return new MemoryReplayCacheFactory();
}
public abstract ReplayCache newReplayCache(String key, Object configuration);
protected URL getConfigFileURL(Object o) {
if (o instanceof String) {
try {
URL url = Loader.getResource((String)o);
if (url == null) {
url = new URL((String)o);
}
return url;
} catch (IOException e) {
// Do nothing
LOG.debug(e.getMessage());
}
} else if (o instanceof URL) {
return (URL)o;
}
return null;
}
}