/*
* 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;
import org.eurekastreams.commons.actions.ValidationStrategy;
import org.eurekastreams.commons.actions.context.service.ServiceActionContext;
import org.eurekastreams.commons.exceptions.ValidationException;
import org.eurekastreams.server.domain.TutorialVideo;
import org.eurekastreams.server.persistence.mappers.FindByIdMapper;
import org.eurekastreams.server.persistence.mappers.requests.FindByIdRequest;
/**
* Validation for if a user wishes to opt out of a video.
*
* Validates that the opt out video exists in the database.
*
*/
public class SetOptOutVideoValidation implements ValidationStrategy<ServiceActionContext>
{
/**
* Used to validate that the video is a real one.
*/
private FindByIdMapper<TutorialVideo> optOutVideoMapper;
/**
* @param inOptOutVideoMapper
* the video mapper.
*/
public SetOptOutVideoValidation(final FindByIdMapper<TutorialVideo> inOptOutVideoMapper)
{
optOutVideoMapper = inOptOutVideoMapper;
}
/**
* Validates that the opted out video exists in the TutorialVideo DB.
*
* @param inActionContext
* the actionContext.
* @throws ValidationException
* if validation fails.
*/
@Override
public void validate(final ServiceActionContext inActionContext) throws ValidationException
{
Long videoID = (Long) inActionContext.getParams();
if (optOutVideoMapper.execute(new FindByIdRequest("TutorialVideo", videoID)) == null)
{
throw (new ValidationException("Not a valid video id"));
}
}
}