/**
 * Copyright (c) Istituto Nazionale di Fisica Nucleare (INFN). 2006-2016
 *
 * 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.glite.security.voms.admin.operations.roles;

import java.util.Iterator;
import java.util.List;

import org.glite.security.voms.admin.event.EventManager;
import org.glite.security.voms.admin.event.vo.role.RoleCreatedEvent;
import org.glite.security.voms.admin.operations.BaseVomsOperation;
import org.glite.security.voms.admin.operations.VOMSContext;
import org.glite.security.voms.admin.operations.VOMSPermission;
import org.glite.security.voms.admin.operations.groups.ListGroupsOperation;
import org.glite.security.voms.admin.persistence.HibernateFactory;
import org.glite.security.voms.admin.persistence.dao.VOMSRoleDAO;
import org.glite.security.voms.admin.persistence.model.VOMSGroup;
import org.glite.security.voms.admin.persistence.model.VOMSRole;

public class CreateRoleOperation extends BaseVomsOperation {

  String roleName;

  private CreateRoleOperation(String roleName) {

    this.roleName = roleName;
  }

  private void setupACLs(VOMSRole r) {

    List groups = (List) ListGroupsOperation.instance().execute();

    Iterator groupsIter = groups.iterator();

    while (groupsIter.hasNext())
      r.importACL((VOMSGroup) groupsIter.next());

  }

  protected Object doExecute() {

    VOMSRole r = VOMSRoleDAO.instance().create(roleName);

    setupACLs(r);

    HibernateFactory.getSession().save(r);
    
    EventManager.instance().dispatch(new RoleCreatedEvent(r));
    
    return r;
  }

  public static CreateRoleOperation instance(String roleName) {

    return new CreateRoleOperation(roleName);
  }

  protected void setupPermissions() {

    addRequiredPermission(VOMSContext.getVoContext(),
      VOMSPermission.getContainerRWPermissions());

  }

}