/*
* 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.gallery;
import org.eurekastreams.commons.actions.ValidationStrategy;
import org.eurekastreams.commons.actions.context.service.ServiceActionContext;
import org.eurekastreams.commons.exceptions.ValidationException;
import org.eurekastreams.server.action.request.gallery.GetGalleryItemsRequest;
/**
* This class provides the validation for the GetGalleryItems action.
*
*/
public class GetGalleryItemsValidation implements ValidationStrategy<ServiceActionContext>
{
/**
* Recent sort criteria.
*/
private static final String RECENT_SORT_CRITERIA = "recent";
/**
* Popularity sort criteria.
*/
private static final String POPULARITY_SORT_CRITERIA = "popularity";
/**
* {@inheritDoc}.
*
* Ensure that the sort criteria matches the two types.
*/
@Override
public void validate(final ServiceActionContext inActionContext) throws ValidationException
{
GetGalleryItemsRequest currentRequest = (GetGalleryItemsRequest) inActionContext.getParams();
if (!currentRequest.getSortCriteria().equals(RECENT_SORT_CRITERIA)
&& !currentRequest.getSortCriteria().equals(POPULARITY_SORT_CRITERIA))
{
throw new ValidationException("Invalid sort criteria for this action.");
}
}
}