/*
 * Copyright (C) 2007 Chris Gilbert. All Rights Reserved.
 *
 * This library 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 2.1 of
 * the License, or (at your option) any later version.
 *
 * This library 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 this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 */
package com.arsdigita.forum;

import com.arsdigita.cms.Asset;
import com.arsdigita.cms.dispatcher.AssetURLFinder;

import com.arsdigita.kernel.NoValidURLException;
import com.arsdigita.kernel.URLFinder;
import com.arsdigita.persistence.OID;
import com.arsdigita.web.Web;
import com.arsdigita.web.WebConfig;

/**
 * @author chris.gilbert@westsussex.gov.uk
 *
 * A URLFinder for PostFileAttachments. 
 */
public class PostFileAttachmentURLFinder implements URLFinder {

    private static final AssetURLFinder s_assetFinder = new AssetURLFinder();

    /**
     * 
     * find URL for a file attachment by finding its post
     * 
     * @param oid the OID of the file attachment
     * @param content the context of the search (ie draft/live)
     */
    public String find(OID oid, String context) throws NoValidURLException {
        // a draft attachment is one where the post hasn't been saved yet
        // the behaviour is the same as far as finding the url goes
        return find(oid);


    }

    /**
     * 
     * find URL for the context of a file attachment. Delegates to
     * AssetURLFinder.
     * 
     * @param oid the OID of the file attachment
     * 
     */
    public String find(OID oid) throws NoValidURLException {
        WebConfig config = Web.getConfig();

        StringBuilder url = new StringBuilder();
        url.append(config.getDispatcherServletPath());
        url.append(config.getDispatcherContextPath());
        url.append("/cms-service/download/asset/?asset_id=");
        url.append(oid.get(Asset.ID).toString());

        return url.toString();
//		return s_assetFinder.find(oid);
    }
}