Re: Java API to check status of Windows NT service?

From:
"The House Dawg" <mhousema@ix.netcom.com>
Newsgroups:
comp.lang.java.programmer
Date:
5 Dec 2006 13:43:12 -0800
Message-ID:
<1165354992.516319.243300@f1g2000cwa.googlegroups.com>
The House Dawg wrote:

Can anyone share a code snippet written in java that takes the name of
a Windows NT service and returns the status of the service? Running,
Paused, Stopped, etc.

TIA,
Matt


Folks,

There's probably a million ways to do this, but I found the following
works well:

bool isServiceStopped ( String serviceName ) throws Exception
{
    boolean serviceStopped = false;

    /************************************************************
     * Construct the command, putting quotes around the service *
     * name in case the service name contains any blanks. *
     ************************************************************/
    String command = "sc query " + "\"" + serviceName + "\"";

    /*****************************************************************
     * Execute the command and get a buffered reader for the output. *
     *****************************************************************/
    Process proc = Runtime.getRuntime ( ).exec ( command );
    InputStream is = proc.getInputStream ( );
    BufferedReader br = new BufferedReader ( new InputStreamReader (
is ) );
    String line = null;

/*********************************************************************************
     * Read the command output until the STATE token is found or EOF is
encountered. *

*********************************************************************************/
    while ( ( line = br.readLine ( ) ) != null )
    {
        /********************************************
         * Check if the STATE token has been found. *
         ********************************************/
        if ( line.indexOf ( "STATE" ) > 0 )
        {
            /******************************************
             * Check if the service STATE is STOPPED. *
             ******************************************/
            if ( line.indexOf ( "STOPPED" ) > 0 )
            {
                serviceStopped = true;
            }
            break;
        }
    }
    proc.waitFor ( );

    /*****************************
     * Cleanup system resources. *
     *****************************/
    is.close ( );
    br.close ( );

    return ( serviceStopped );

}

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