/*
* 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.lenya.cms.ac.usecases;
import org.apache.avalon.framework.service.ServiceSelector;
import org.apache.lenya.ac.AccessController;
import org.apache.lenya.ac.AccessControllerResolver;
import org.apache.lenya.ac.AccreditableManager;
import org.apache.lenya.ac.GroupManager;
import org.apache.lenya.ac.IPRangeManager;
import org.apache.lenya.ac.RoleManager;
import org.apache.lenya.ac.UserManager;
import org.apache.lenya.cms.usecase.AbstractUsecase;
/**
* Super class for access-control related usecases.
*
* @version $Id: AccessControlUsecase.java 407305 2006-05-17 16:21:49Z andreas $
*/
public class AccessControlUsecase extends AbstractUsecase {
/**
* Ctor.
*/
public AccessControlUsecase() {
super();
}
private UserManager userManager;
private GroupManager groupManager;
private IPRangeManager ipRangeManager;
private RoleManager roleManager;
private AccessController accessController;
/**
* Initializes the accreditable managers. FIXME: This method resolves the
* AccessController, it has to be released after it is used!
*/
protected void initializeAccessController() {
super.doInitialize();
if (getLogger().isDebugEnabled())
getLogger().debug("initializeAccessController() called");
this.accessController = null;
ServiceSelector selector = null;
AccessControllerResolver resolver = null;
try {
selector = (ServiceSelector) this.manager.lookup(AccessControllerResolver.ROLE
+ "Selector");
resolver = (AccessControllerResolver) selector
.select(AccessControllerResolver.DEFAULT_RESOLVER);
this.accessController = resolver.resolveAccessController(getSourceURL());
if (this.accessController == null) {
throw new RuntimeException("No access controller could be resolved for URL ["
+ getSourceURL() + "].");
}
AccreditableManager accreditableManager = this.accessController
.getAccreditableManager();
this.userManager = accreditableManager.getUserManager();
this.groupManager = accreditableManager.getGroupManager();
this.roleManager = accreditableManager.getRoleManager();
this.ipRangeManager = accreditableManager.getIPRangeManager();
} catch (Exception e) {
throw new RuntimeException("Initialization failed: ", e);
} finally {
if (selector != null) {
if (resolver != null) {
selector.release(resolver);
}
this.manager.release(selector);
}
}
}
/**
* @return Returns the groupManager.
*/
protected GroupManager getGroupManager() {
if (this.groupManager == null) {
initializeAccessController();
}
return this.groupManager;
}
/**
* @return Returns the ipRangeManager.
*/
protected IPRangeManager getIpRangeManager() {
if (this.ipRangeManager == null) {
initializeAccessController();
}
return this.ipRangeManager;
}
/**
* @return Returns the roleManager.
*/
protected RoleManager getRoleManager() {
if (this.roleManager == null) {
initializeAccessController();
}
return this.roleManager;
}
/**
* @return Returns the userManager.
*/
protected UserManager getUserManager() {
if (this.userManager == null) {
if (getLogger().isDebugEnabled())
getLogger()
.debug(
"getUserManager() accessed, is null, so calling initializeAccessController");
initializeAccessController();
}
return this.userManager;
}
/**
* @return Returns the accessController.
*/
protected AccessController getAccessController() {
if (this.accessController == null) {
initializeAccessController();
}
return this.accessController;
}
}