/*
* 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.execution.profile;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import org.eurekastreams.commons.actions.ExecutionStrategy;
import org.eurekastreams.commons.actions.context.ActionContext;
import org.eurekastreams.commons.exceptions.ExecutionException;
import org.eurekastreams.server.action.request.profile.GetRequestForGroupMembershipRequest;
import org.eurekastreams.server.domain.PagedSet;
import org.eurekastreams.server.persistence.mappers.DomainMapper;
import org.eurekastreams.server.persistence.mappers.db.GetRequestsForGroupMembershipByGroup;
import org.eurekastreams.server.search.modelview.PersonModelView;
/**
* Gets the list of people requesting membership in a given group.
*/
public class GetRequestsForGroupMembershipByGroupExecution implements ExecutionStrategy<ActionContext>
{
/** Mapper for people. */
private DomainMapper<List<Long>, List<PersonModelView>> peopleMapper;
/** Mapper for list of people. */
private GetRequestsForGroupMembershipByGroup requestMapper;
/**
* Constructor.
*
* @param inRequestMapper
* Mapper for list of people.
* @param inPeopleMapper
* Mapper for people.
*/
public GetRequestsForGroupMembershipByGroupExecution(final GetRequestsForGroupMembershipByGroup inRequestMapper,
final DomainMapper<List<Long>, List<PersonModelView>> inPeopleMapper)
{
requestMapper = inRequestMapper;
peopleMapper = inPeopleMapper;
}
/**
* {@inheritDoc}
*/
@Override
public Serializable execute(final ActionContext inActionContext) throws ExecutionException
{
GetRequestForGroupMembershipRequest request = (GetRequestForGroupMembershipRequest) inActionContext.getParams();
PagedSet<Long> idsPagedSet = requestMapper.execute(request);
List<PersonModelView> list;
if (idsPagedSet.getPagedSet().isEmpty())
{
list = new ArrayList<PersonModelView>();
}
else
{
list = peopleMapper.execute(idsPagedSet.getPagedSet());
}
return new PagedSet<PersonModelView>(idsPagedSet.getFromIndex(), idsPagedSet.getToIndex(), idsPagedSet
.getTotal(), list);
}
}