/*
* 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.search.bridge;
import java.util.List;
import org.apache.commons.logging.Log;
import org.eurekastreams.commons.logging.LogFactory;
import org.eurekastreams.server.domain.BackgroundItem;
import org.hibernate.search.bridge.StringBridge;
/**
* String Bridge for a List<BackgroundItem>.
*/
public class BackgroundItemListStringBridge implements StringBridge
{
/**
* Logger.
*/
private final Log log = LogFactory.make();
/**
* Convert the input List<BackgroundItem> into a searchable String.
*
* @param listObj
* the List<BackgroundItem> to convert
* @return a string concatenation of the background items.
*/
@SuppressWarnings("unchecked")
@Override
public String objectToString(final Object listObj)
{
if (listObj == null || !(listObj instanceof List))
{
return null;
}
StringBuilder sb = new StringBuilder();
sb.append(" ");
try
{
for (BackgroundItem item : (List<BackgroundItem>) listObj)
{
sb.append(item.getName());
sb.append(" ");
}
}
catch (Exception ex)
{
log.info("Error iterating through the list of background items - most likely because it's null, "
+ "but not detectable because it's a lazy-loaded collection. ", ex);
}
return sb.toString();
}
}