/**
* 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.cxf.rs.security.saml.sso;
import java.lang.reflect.Method;
import net.sf.ehcache.CacheException;
import net.sf.ehcache.CacheManager;
import net.sf.ehcache.config.CacheConfiguration;
import net.sf.ehcache.config.Configuration;
/**
*/
public final class EHCacheUtil {
private static Method cacheManagerCreateMethodNoArg;
private static Method cacheManagerCreateMethodConfigurationArg;
static {
// these methods are either completely available or absent (valid assumption from 2.5.0 to 2.7.2 so far)
try {
// from 2.5.2
cacheManagerCreateMethodNoArg = CacheManager.class.getMethod("newInstance", (Class<?>[])null);
cacheManagerCreateMethodConfigurationArg = CacheManager.class.getMethod("newInstance", Configuration.class);
} catch (NoSuchMethodException e) {
try {
// before 2.5.2
cacheManagerCreateMethodNoArg = CacheManager.class.getMethod("create", (Class<?>[])null);
cacheManagerCreateMethodConfigurationArg = CacheManager.class.getMethod("create", Configuration.class);
} catch (Throwable t) {
// ignore
}
}
}
private EHCacheUtil() {
//
}
public static CacheConfiguration getCacheConfiguration(String key, CacheManager cacheManager) {
CacheConfiguration cc = cacheManager.getConfiguration().getCacheConfigurations().get(key);
if (cc == null && key.contains("-")) {
cc = cacheManager.getConfiguration().getCacheConfigurations().get(
key.substring(0, key.lastIndexOf('-') - 1));
}
if (cc == null) {
cc = cacheManager.getConfiguration().getDefaultCacheConfiguration();
}
if (cc == null) {
cc = new CacheConfiguration();
} else {
cc = (CacheConfiguration)cc.clone();
}
cc.setName(key);
return cc;
}
public static CacheManager createCacheManager() throws CacheException {
try {
return (CacheManager)cacheManagerCreateMethodNoArg.invoke(null, (Object[])null);
} catch (Exception e) {
throw new CacheException(e);
}
}
public static CacheManager createCacheManager(Configuration conf) throws CacheException {
try {
return (CacheManager)cacheManagerCreateMethodConfigurationArg.invoke(null, new Object[]{conf});
} catch (Exception e) {
throw new CacheException(e);
}
}
}