/**
* Copyright 2010 Red Hat, Inc. and/or its affiliates.
*
* 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.jbpm.services.task.identity;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.jbpm.services.task.utils.MVELUtils;
import org.kie.api.task.model.Group;
import org.kie.api.task.model.User;
import org.kie.internal.task.api.UserGroupCallback;
public class MvelUserGroupCallbackImpl implements UserGroupCallback {
private Map<User, List<Group>> userGroupMapping;
//no no-arg constructor to prevent cdi from auto deploy
public MvelUserGroupCallbackImpl(boolean activate) {
Reader reader = null;
Map vars = new HashMap();
try {
reader = new InputStreamReader(getClass().getResourceAsStream("UserGroupsAssignmentsOne.mvel"));
userGroupMapping = (Map<User, List<Group>>) MVELUtils.eval(reader, vars);
} finally {
try {
if (reader != null) {
reader.close();
}
} catch (IOException e) {
e.printStackTrace();
}
reader = null;
}
}
public boolean existsUser(String userId) {
Iterator<User> iter = userGroupMapping.keySet().iterator();
while (iter.hasNext()) {
User u = iter.next();
if (u.getId().equals(userId)) {
return true;
}
}
return false;
}
public boolean existsGroup(String groupId) {
Iterator<User> iter = userGroupMapping.keySet().iterator();
while (iter.hasNext()) {
User u = iter.next();
List<Group> groups = userGroupMapping.get(u);
for (Group g : groups) {
if (g.getId().equals(groupId)) {
return true;
}
}
}
return false;
}
public List<String> getGroupsForUser(String userId) {
Iterator<User> iter = userGroupMapping.keySet().iterator();
while (iter.hasNext()) {
User u = iter.next();
if (u.getId().equals(userId)) {
List<String> groupList = new ArrayList<String>();
List<Group> userGroupList = userGroupMapping.get(u);
for (Group g : userGroupList) {
groupList.add(g.getId());
}
return groupList;
}
}
return new ArrayList<String>(0);
}
}