/*
* Copyright (c) 2010 Lockheed Martin Corporation
*
* 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.eurekastreams.server.action.validation.profile;
import org.eurekastreams.commons.actions.ValidationStrategy;
import org.eurekastreams.commons.actions.context.ActionContext;
import org.eurekastreams.commons.exceptions.ValidationException;
import org.eurekastreams.server.domain.DomainGroup;
import org.eurekastreams.server.persistence.mappers.FindByIdMapper;
import org.eurekastreams.server.persistence.mappers.requests.FindByIdRequest;
/**
* Validation for Deleting a group.
*
*/
public class DeleteGroupValidation implements ValidationStrategy<ActionContext>
{
/**
* FindById mapper.
*/
private final FindByIdMapper<DomainGroup> findByIdDAO;
/**
* Constructor.
*
* @param inFindByIdDAO
* FindById mapper.
*/
public DeleteGroupValidation(final FindByIdMapper<DomainGroup> inFindByIdDAO)
{
findByIdDAO = inFindByIdDAO;
}
/**
* Ensure that group is present, if not, throw ValidationException.
*
* @param inActionContext
* {@link ActionContext}.
*/
@Override
public void validate(final ActionContext inActionContext)
{
DomainGroup group = findByIdDAO.execute(new FindByIdRequest("DomainGroup", ((Long) inActionContext.getParams())
.longValue()));
if (null == group)
{
throw new ValidationException("Attempt to delete group that is no longer present");
}
}
}