/*
 * 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.persistence.mappers.db;

import org.apache.commons.codec.digest.DigestUtils;
import org.eurekastreams.server.persistence.mappers.DomainMapper;

/**
 * Mapper to generate hash version for a theme.
 * 
 */
public class GetThemeVersionByUuidDbMapper implements DomainMapper<String, String>
{
    /**
     * Mapper for getting theme css by uuid.
     */
    private DomainMapper<String, String> getThemeCssByUuidMapper;

    /**
     * Constructor.
     * 
     * @param inGetThemeCssByUuidMapper
     *            Mapper for getting theme css by uuid.
     */
    public GetThemeVersionByUuidDbMapper(final DomainMapper<String, String> inGetThemeCssByUuidMapper)
    {
        getThemeCssByUuidMapper = inGetThemeCssByUuidMapper;
    }

    /**
     * Generate version hash for given theme.
     * 
     * @param inRequest
     *            the them uuid.
     * @return hash version of theme.
     */
    @Override
    public String execute(final String inRequest)
    {
        return DigestUtils.md5Hex(getThemeCssByUuidMapper.execute(inRequest));
    }
}