/* Licensed 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.activiti.explorer.cache;
import java.util.Collections;
import java.util.List;
import org.activiti.engine.IdentityService;
import org.activiti.engine.identity.User;
import org.activiti.explorer.Environments;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
/**
* Factory bean for creating the user-cache.
*
* @author Frederik Heremans
*/
public class UserCacheFactoryBean implements FactoryBean<UserCache>, ApplicationContextAware {
protected ApplicationContext applicationContext;
protected String environment;
protected UserCache userCache = null;
public UserCache getObject() throws Exception {
if(userCache == null) {
initUserCache();
}
return userCache;
}
private void initUserCache() {
if (environment.equals(Environments.ALFRESCO)) {
userCache = new DummyUserCache(); // User cache is not needed in Alfresco since we hook in Alfresco's ID mgmt
} else {
userCache = new TrieBasedUserCache();
// indentityService is not injected in this factory bean because
// we don't want to expose it in Alfresco context.xml. So we inject it manually here.
((TrieBasedUserCache)userCache).setIdentityService(applicationContext.getBean(IdentityService.class));
}
}
public Class< ? > getObjectType() {
return UserCache.class;
}
public boolean isSingleton() {
return true;
}
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
this.applicationContext = applicationContext;
}
public void setEnvironment(String environment) {
this.environment = environment;
}
private class DummyUserCache implements UserCache {
public List<User> findMatchingUsers(String prefix) {
return Collections.emptyList();
}
public User findUser(String userId) {
return null;
}
public void notifyUserDataChanged(String userId) {
}
}
}