gnu.io.Zystem Maven / Gradle / Ivy
/*------------------------------------------------------------------------
| Zystem is a native interface for message reporting in java.
| Copyright 2002 by Trent Jarvi [email protected].
|
| This library is free software; you can redistribute it and/or
| modify it under the terms of the GNU Library General Public
| License as published by the Free Software Foundation; either
| version 2 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
| Library General Public License for more details.
|
| You should have received a copy of the GNU Library General Public
| License along with this library; if not, write to the Free
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
--------------------------------------------------------------------------*/
package gnu.io;
import java.io.RandomAccessFile;
public class Zystem
{
public static final int SILENT_MODE = 0;
public static final int FILE_MODE = 1;
public static final int NET_MODE = 2;
public static final int MEX_MODE = 3;
public static final int PRINT_MODE = 4;
public static final int J2EE_MSG_MODE = 5;
public static final int J2SE_LOG_MODE = 6;
static int mode;
static
{
/*
The rxtxZystem library uses Python code and is not
included with RXTX. A seperate library will be released
to avoid potential license conflicts.
Trent Jarvi [email protected]
*/
//System.loadLibrary( "rxtxZystem" );
mode = SILENT_MODE;
}
private static String target;
public Zystem( int m ) throws UnSupportedLoggerException
{
mode = m;
startLogger( "asdf" );
}
/**
* Constructor.
* Mode is taken from the java system property "gnu.io.log.mode". The available values are :
* - SILENT_MODE No logging
*
- FILE_MODE log to file
*
- NET_MODE
*
- MEX_MODE
*
- PRINT_MODE
*
- J2EE_MSG_MODE
*
- J2SE_LOG_MODE log to java.util.logging
*
*/
public Zystem () throws UnSupportedLoggerException
{
String s = System.getProperty ("gnu.io.log.mode");
if (s != null)
{
if ("SILENT_MODE".equals (s))
{
mode = SILENT_MODE;
}
else if ("FILE_MODE".equals (s))
{
mode = FILE_MODE;
}
else if ("NET_MODE".equals (s))
{
mode = NET_MODE;
}
else if ("MEX_MODE".equals (s))
{
mode = MEX_MODE;
}
else if ("PRINT_MODE".equals (s))
{
mode = PRINT_MODE;
}
else if ("J2EE_MSG_MODE".equals (s))
{
mode = J2EE_MSG_MODE;
}
else if ("J2SE_LOG_MODE".equals (s))
{
mode = J2SE_LOG_MODE;
}
else
{
try
{
mode = Integer.parseInt (s);
}
catch (NumberFormatException e)
{
mode = SILENT_MODE;
}
}
}
else
{
mode = SILENT_MODE;
}
startLogger ("asdf");
}
public void startLogger( ) throws UnSupportedLoggerException
{
if ( mode == SILENT_MODE || mode == PRINT_MODE )
{
//nativeNetInit( );
return;
}
throw new UnSupportedLoggerException( "Target Not Allowed" );
}
/* accept the host or file to log to. */
public void startLogger( String t ) throws UnSupportedLoggerException
{
target = t;
/*
if ( mode == NET_MODE )
{
nativeNetInit( );
}
if ( nativeInit( ) )
{
throw new UnSupportedLoggerException(
"Port initializion failed" );
}
*/
return;
}
public void finalize()
{
/*
if ( mode == NET_MODE )
{
nativeNetFinalize( );
}
nativeFinalize();
*/
mode = SILENT_MODE;
target = null;
}
public void filewrite( String s )
{
try {
RandomAccessFile w =
new RandomAccessFile( target, "rw" );;
w.seek( w.length() );
w.writeBytes( s );
w.close();
} catch ( Exception e ) {
System.out.println("Debug output file write failed");
}
}
public boolean report( String s)
{
if ( mode == NET_MODE )
{
// return( nativeNetReportln( s ) );
}
else if ( mode == PRINT_MODE )
{
System.out.println( s );
return( true );
}
else if ( mode == MEX_MODE )
{
// return( nativeMexReport( s ) );
}
else if ( mode == SILENT_MODE )
{
return( true );
}
else if ( mode == FILE_MODE )
{
filewrite( s );
}
else if ( mode == J2EE_MSG_MODE )
{
return( false );
}
else if (mode == J2SE_LOG_MODE)
{
java.util.logging.Logger.getLogger ("gnu.io").fine (s);
return (true);
}
return( false );
}
public boolean reportln( )
{
boolean b;
if ( mode == NET_MODE )
{
// b= nativeNetReportln( "\n" );
// return(b);
}
else if ( mode == PRINT_MODE )
{
System.out.println( );
return( true );
}
else if ( mode == MEX_MODE )
{
// b = nativeMexReportln( "\n" );
// return(b);
}
else if ( mode == SILENT_MODE )
{
return( true );
}
else if ( mode == FILE_MODE )
{
filewrite( "\n" );
}
else if ( mode == J2EE_MSG_MODE )
{
return( false );
}
return( false );
}
public boolean reportln( String s)
{
boolean b;
if ( mode == NET_MODE )
{
// b= nativeNetReportln( s + "\n" );
// return(b);
}
else if ( mode == PRINT_MODE )
{
System.out.println( s );
return( true );
}
else if ( mode == MEX_MODE )
{
// b = nativeMexReportln( s + "\n" );
// return(b);
}
else if ( mode == SILENT_MODE )
{
return( true );
}
else if ( mode == FILE_MODE )
{
filewrite( s + "\n" );
}
else if ( mode == J2EE_MSG_MODE )
{
return( false );
}
else if (mode == J2SE_LOG_MODE)
{
return (true);
}
return( false );
}
/*
private native boolean nativeInit( );
private native void nativeFinalize();
*/
/* open and close the socket */
/*
private native boolean nativeNetInit( );
private native void nativeNetFinalize();
*/
/* dumping to a remote machine */
/*
public native boolean nativeNetReport( String s );
public native boolean nativeNetReportln( String s );
*/
/* specific to Matlab */
/*
public native boolean nativeMexReport( String s );
public native boolean nativeMexReportln( String s );
*/
}