/*
* Copyright (c) 2009-2010 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.service.actions.strategies.galleryitem;
import java.io.Serializable;
import java.util.Map;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eurekastreams.commons.actions.context.PrincipalActionContext;
import org.eurekastreams.server.domain.GalleryItem;
import org.eurekastreams.server.persistence.GalleryItemMapper;
/**
* Creates and returns a galleryItem.
*
* @param <T>
* the type of gallery item.
*/
public class GalleryItemFinder<T extends GalleryItem> implements GalleryItemProvider<T>
{
/**
* Logger.
*/
private Log log = LogFactory.getLog(GalleryItemFinder.class);
/**
* url key.
*/
private static final String URL_KEY = "url";
/**
* url key.
*/
private static final String ID_KEY = "id";
/**
* GalleryItem Mapper.
*/
private GalleryItemMapper<T> galleryItemMapper = null;
/**
* Constructor.
*
* @param inGalleryItemMapper
* injecting the GalleryItemMapper
*/
public GalleryItemFinder(final GalleryItemMapper<T> inGalleryItemMapper)
{
galleryItemMapper = inGalleryItemMapper;
}
/**
* Creates and returns a gallery item.
*
* @param inContext
* the principal action context
* @param inParams
* the parameters that were passed into the action
* @return the gallery item
*/
public T provide(final PrincipalActionContext inContext, final Map<String, Serializable> inParams)
{
Long galleryItemId = Long.valueOf((String) inParams.get(ID_KEY));
log.debug("Finding gallery item with id: " + galleryItemId);
// GalleryItem is a URL, find or create.
T outGalleryItem = galleryItemMapper.findById(galleryItemId);
return outGalleryItem;
}
}