/*
* 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.request.transformer;
import java.io.Serializable;
import org.eurekastreams.commons.actions.context.ActionContext;
import org.eurekastreams.server.persistence.mappers.stream.GetItemsByPointerIds;
/**
* Request transformer to convert String params object to entity id with provided {@link GetItemsByPointerIds} mapper.
*
*/
public class EntityIdFromUniqueStringKeyParameter implements RequestTransformer
{
/**
* flag to determine if return value should be string.
*/
private Boolean returnValueAsString = false;
/**
* {@link GetItemsByPointerIds}.
*/
@SuppressWarnings("unchecked")
GetItemsByPointerIds keyToIdMapper;
/**
* Constructor.
*
* @param inKeyToIdMapper
* {@link GetItemsByPointerIds}.
*/
public EntityIdFromUniqueStringKeyParameter(final GetItemsByPointerIds inKeyToIdMapper)
{
keyToIdMapper = inKeyToIdMapper;
}
/**
* {@inheritDoc}.
*/
@Override
public Serializable transform(final ActionContext inActionContext)
{
return returnValueAsString ? keyToIdMapper.fetchId((String) inActionContext.getParams()).toString()
: keyToIdMapper.fetchId((String) inActionContext.getParams());
}
/**
* @param inReturnValueAsString
* the returnValueAsString to set
*/
public void setReturnValueAsString(final Boolean inReturnValueAsString)
{
returnValueAsString = inReturnValueAsString;
}
}