GetDatabaseVersionHeadersFolderRequestHandler.java

/*
 * Syncany, www.syncany.org
 * Copyright (C) 2011-2015 Philipp C. Heckel <philipp.heckel@gmail.com> 
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.syncany.operations.daemon.messages;

import java.util.List;

import org.syncany.config.Config;
import org.syncany.database.DatabaseVersionHeader;
import org.syncany.database.SqlDatabase;
import org.syncany.operations.daemon.messages.api.FolderRequest;
import org.syncany.operations.daemon.messages.api.FolderRequestHandler;
import org.syncany.operations.daemon.messages.api.Response;

public class GetDatabaseVersionHeadersFolderRequestHandler extends FolderRequestHandler {
	private SqlDatabase localDatabase;

	public GetDatabaseVersionHeadersFolderRequestHandler(Config config) {
		super(config);
		this.localDatabase = new SqlDatabase(config);
	}

	@Override
	public Response handleRequest(FolderRequest request) {
		GetDatabaseVersionHeadersFolderRequest concreteRequest = (GetDatabaseVersionHeadersFolderRequest) request;
		
		List<DatabaseVersionHeader> databaseVersionHeaders = localDatabase.getNonEmptyDatabaseVersionHeaders(); 
		return new GetDatabaseVersionHeadersFolderResponse(concreteRequest.getId(), concreteRequest.getRoot(), databaseVersionHeaders);		
	}

}