/*
 * #%L
 * Alfresco Remote API
 * %%
 * Copyright (C) 2005 - 2016 Alfresco Software Limited
 * %%
 * This file is part of the Alfresco software. 
 * If the software was purchased under a paid Alfresco license, the terms of 
 * the paid license agreement will prevail.  Otherwise, the software is 
 * provided under the following open source license terms:
 * 
 * Alfresco is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Alfresco is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
 * #L%
 */
package org.alfresco.repo.utils;

import javax.faces.context.FacesContext;

import org.alfresco.repo.web.scripts.FileTypeImageUtils;
import org.alfresco.service.cmr.repository.FileTypeImageSize;
import org.alfresco.service.cmr.repository.TemplateImageResolver;

/**
 * Default implementation of {@link TemplateImageResolver} interface, based on {@link FileTypeImageUtils} utility. It relies on availability of {@link FacesContext} instance
 * 
 * @author Dmitry Velichkevich
 */
public class FacesImageResolver implements TemplateImageResolver
{
    private static final long serialVersionUID = 1L;

    /* (non-Javadoc)
     * @see org.alfresco.service.cmr.repository.TemplateImageResolver#resolveImagePathForName(java.lang.String, org.alfresco.service.cmr.repository.FileTypeImageSize)
     */
    @Override
    public String resolveImagePathForName(String filename, FileTypeImageSize size)
    {
        if (FacesContext.getCurrentInstance() != null)
        {
            return FileTypeImageUtils.getFileTypeImage(FacesContext.getCurrentInstance(), filename, size);
        }
        else
        {
            return null;
        }
    }
}