/**
* OLAT - Online Learning and Training<br>
* http://www.olat.org
* <p>
* Licensed under the Apache License, Version 2.0 (the "License"); <br>
* you may not use this file except in compliance with the License.<br>
* You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing,<br>
* software distributed under the License is distributed on an "AS IS" BASIS, <br>
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. <br>
* See the License for the specific language governing permissions and <br>
* limitations under the License.
* <p>
* Copyright (c) since 2004 at Multimedia- & E-Learning Services (MELS),<br>
* University of Zurich, Switzerland.
* <p>
*/
package org.olat.group.right;
import java.util.ArrayList;
import java.util.List;
import org.olat.basesecurity.Manager;
import org.olat.basesecurity.ManagerFactory;
import org.olat.basesecurity.Policy;
import org.olat.core.id.Identity;
import org.olat.core.logging.AssertException;
import org.olat.group.BusinessGroup;
import org.olat.group.context.BGContext;
/**
* Description:<BR>
* TODO: Class Description for BGRightManagerImpl Initial Date: Aug 24, 2004
*
* @author gnaegi
*/
public class BGRightManagerImpl implements BGRightManager {
private static BGRightManagerImpl INSTANCE;
static {
INSTANCE = new BGRightManagerImpl();
}
/**
* @return singleton instance
*/
public static BGRightManagerImpl getInstance() {
return INSTANCE;
}
private BGRightManagerImpl() {
// no public constructor
}
/**
* @see org.olat.group.right.BGRightManager#addBGRight(java.lang.String,
* org.olat.group.BusinessGroup)
*/
public void addBGRight(String bgRight, BusinessGroup rightGroup) {
if (bgRight.indexOf(BG_RIGHT_PREFIX) == -1) throw new AssertException("Groups rights must start with prefix '" + BG_RIGHT_PREFIX
+ "', but given right is ::" + bgRight);
if (BusinessGroup.TYPE_RIGHTGROUP.equals(rightGroup.getType())) {
Manager secm = ManagerFactory.getManager();
BGContext context = rightGroup.getGroupContext();
secm.createAndPersistPolicy(rightGroup.getPartipiciantGroup(), bgRight, context);
} else {
throw new AssertException("Only right groups can have bg rights, but type was ::" + rightGroup.getType());
}
}
/**
* @see org.olat.group.right.BGRightManager#removeBGRight(java.lang.String,
* org.olat.group.BusinessGroup)
*/
public void removeBGRight(String bgRight, BusinessGroup rightGroup) {
if (BusinessGroup.TYPE_RIGHTGROUP.equals(rightGroup.getType())) {
Manager secm = ManagerFactory.getManager();
BGContext context = rightGroup.getGroupContext();
secm.deletePolicy(rightGroup.getPartipiciantGroup(), bgRight, context);
} else {
throw new AssertException("Only right groups can have bg rights, but type was ::" + rightGroup.getType());
}
}
/**
* @see org.olat.group.right.BGRightManager#hasBGRight(java.lang.String,
* org.olat.group.BusinessGroup)
*/
/*
* public boolean hasBGRight(String bgRight, BusinessGroup rightGroup) { if
* (BusinessGroup.TYPE_RIGHTGROUP.equals(rightGroup.getType())) { Manager secm =
* ManagerFactory.getManager(); return
* secm.isGroupPermittedOnResourceable(rightGroup.getPartipiciantGroup(),
* bgRight, rightGroup.getGroupContext()); } throw new AssertException("Only
* right groups can have bg rights, but type was ::" + rightGroup.getType()); }
*/
/**
* @see org.olat.group.right.BGRightManager#hasBGRight(java.lang.String,
* org.olat.core.id.Identity, org.olat.group.context.BGContext)
*/
public boolean hasBGRight(String bgRight, Identity identity, BGContext bgContext) {
if (BusinessGroup.TYPE_RIGHTGROUP.equals(bgContext.getGroupType())) {
Manager secm = ManagerFactory.getManager();
return secm.isIdentityPermittedOnResourceable(identity, bgRight, bgContext);
}
throw new AssertException("Only right groups can have bg rights, but type was ::" + bgContext.getGroupType());
}
/**
* @see org.olat.group.right.BGRightManager#findBGRights(org.olat.group.BusinessGroup)
*/
public List findBGRights(BusinessGroup rightGroup) {
Manager secm = ManagerFactory.getManager();
List results = secm.getPoliciesOfSecurityGroup(rightGroup.getPartipiciantGroup());
// filter all business group rights permissions. group right permissions
// start with bgr.
List rights = new ArrayList();
for (int i = 0; i < results.size(); i++) {
Policy rightPolicy = (Policy) results.get(i);
String right = rightPolicy.getPermission();
if (right.indexOf(BG_RIGHT_PREFIX) == 0) rights.add(right);
}
return rights;
}
}