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jRxTx is a library for Java serial communication.
/*-------------------------------------------------------------------------
| RXTX License v 2.1 - LGPL v 2.1 + Linking Over Controlled Interface.
| RXTX is a native interface to serial ports in java.
| Copyright 2002-2007 by Trent Jarvi [email protected] and others who
| actually wrote it. See individual source files for more information.
|
| A copy of the LGPL v 2.1 may be found at
| http://www.gnu.org/licenses/lgpl.txt on March 4th 2007. A copy is
| here for your convenience.
|
| 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.
|
| An executable that contains no derivative of any portion of RXTX, but
| is designed to work with RXTX by being dynamically linked with it,
| is considered a "work that uses the Library" subject to the terms and
| conditions of the GNU Lesser General Public License.
|
| The following has been added to the RXTX License to remove
| any confusion about linking to RXTX. We want to allow in part what
| section 5, paragraph 2 of the LGPL does not permit in the special
| case of linking over a controlled interface. The intent is to add a
| Java Specification Request or standards body defined interface in the
| future as another exception but one is not currently available.
|
| http://www.fsf.org/licenses/gpl-faq.html#LinkingOverControlledInterface
|
| As a special exception, the copyright holders of RXTX give you
| permission to link RXTX with independent modules that communicate with
| RXTX solely through the Sun Microsytems CommAPI interface version 2,
| regardless of the license terms of these independent modules, and to copy
| and distribute the resulting combined work under terms of your choice,
| provided that every copy of the combined work is accompanied by a complete
| copy of the source code of RXTX (the version of RXTX used to produce the
| combined work), being distributed under the terms of the GNU Lesser General
| Public License plus this exception. An independent module is a
| module which is not derived from or based on RXTX.
|
| Note that people who make modified versions of RXTX are not obligated
| to grant this special exception for their modified versions; it is
| their choice whether to do so. The GNU Lesser General Public License
| gives permission to release a modified version without this exception; this
| exception also makes it possible to release a modified version which
| carries forward this exception.
|
| You should have received a copy of the GNU Lesser 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
| All trademarks belong to their respective owners.
--------------------------------------------------------------------------*/
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 );
*/
}
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