Command0_24QueryUptime.java

/*
 * Copyright 2011-2012 Gregory P. Moyer
 *
 * 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.syphr.mythtv.control.impl;

import java.io.IOException;

import org.syphr.mythtv.commons.socket.AbstractCommand;
import org.syphr.mythtv.commons.socket.SocketManager;
import org.syphr.mythtv.commons.translate.Translator;

/* default */class Command0_24QueryUptime extends AbstractCommand<Long>
{
    public Command0_24QueryUptime(Translator translator)
    {
        super(translator);
    }

    @Override
    protected String getMessage()
    {
        return "query uptime";
    }

    @Override
    public Long send(SocketManager socketManager) throws IOException
    {
        String response = socketManager.sendAndWait(getMessage());

        try
        {
            return Long.parseLong(response);
        }
        catch (NumberFormatException e)
        {
            /*
             * If unable to determine uptime, the string "Could not determine uptime." is
             * returned.
             */
            return -1l;
        }
    }
}