/**************************************************************************
* Copyright (c) 2001 by Punch Telematix. All rights reserved. *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions *
* are met: *
* 1. Redistributions of source code must retain the above copyright *
* notice, this list of conditions and the following disclaimer. *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* 3. Neither the name of Punch Telematix nor the names of *
* other contributors may be used to endorse or promote products *
* derived from this software without specific prior written permission.*
* *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. *
* IN NO EVENT SHALL PUNCH TELEMATIX OR OTHER CONTRIBUTORS BE LIABLE *
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF *
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR *
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, *
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE *
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN *
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
**************************************************************************/
/*
** $Id: UARTOutputStream.java,v 1.2 2006/10/04 14:24:21 cvsroot Exp $
*/
package com.acunia.device.uart;
import java.io.*;
public class UARTOutputStream extends OutputStream {
private native void createFromString(String path)
throws SecurityException;
private boolean open;
public UARTOutputStream(String name) {
// TODO: security check?
open = true;
createFromString(name);
}
public native void write(int b)
throws IOException;
private native void writeFromBuffer(byte[] b, int off, int len)
throws IOException;
public void write(byte[] b) throws IOException, NullPointerException {
writeFromBuffer(b, 0, b.length);
}
public void write(byte[] b, int off, int len)
throws IOException, NullPointerException, ArrayIndexOutOfBoundsException
{
if(off<0 || len<0 || off > b.length - len)
throw new ArrayIndexOutOfBoundsException();
writeFromBuffer(b, off,len);
}
public native void flush() throws IOException;
private native void close0() throws IOException;
/**
** Method close() sets "open" false.
*/
public synchronized void close()
throws IOException
{
if(open){
open = false;
close0();
}
}
/*
** If we are garbage-collected, make sure our run() method also terminates.
** (Do we need to do this?)
*/
protected void finalize() {
try {
close();
}
catch(IOException e) {
}
}
}