/**************************************************************************
* Parts copyright (c) 2001 by Punch Telematix. All rights reserved. *
* Parts copyright (c) 2009 by Chris Gray, /k/ Embedded Java Solutions. *
* All rights reserved. *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions *
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* 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 or of /k/ Embedded Java Solutions*
* 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 *
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**************************************************************************/
package java.io;
public final class FileDescriptor {
private boolean validFD;
/** used in native code */
private String fileName;
public static final FileDescriptor in = null;
public static final FileDescriptor out = null;
public static final FileDescriptor err = null;
// Caution: these values are also hard-coded in FileDescriptor.c
static final int MODE_READ = 0;
static final int MODE_WRITE = 1;
static final int MODE_APPEND = 2;
/**
** Public descriptor which does nothing; consequently the FileDescriptor
** created is not valid.
*/
public FileDescriptor() {}
/**
** Package-local constructor used to set the fileName and wotsit.
** Takes an absolute path and a mode as defined by MODE_XXXX.
*/
FileDescriptor(String abspath, int mode) {
createFromPath(abspath, mode);
fileName = abspath;
validFD = true;
}
private native void createFromPath(String path, int mode);
public boolean valid() {
return validFD;
}
public native void sync() throws SyncFailedException;
}