public void add() {
qprint.verbose("Add pressed. Create File");
Display display = Display.getDefault();
QFileManagerShell fm = new QFileManagerShell();
while (!fm.isDisposed()) {
if (!display.readAndDispatch()) {
display.sleep();
}
}
QFileType file = fm.getFile();
if (null == file) {
qprint.error("file is null");
return;
}
// create a new file and update tree
File f = new File(file.getFilePath());
try {
qprint.verbose("create file " + f.getName());
f.createNewFile();
qtree.update();
} catch (IOException e) {
qprint.error("Imposible to create file");
}
}
/**
* Creates file blah: 0000 0001 0002 0003 . . . 3999
*
* <p>Blah extends beyond a single page of memory so that the ability to index into a file of
* multiple pages is tested.
*/
private static void initTestFile(File blah) throws Exception {
try (BufferedWriter writer = Files.newBufferedWriter(blah.toPath(), ISO_8859_1)) {
for (int i = 0; i < 4000; i++) {
String number = new Integer(i).toString();
for (int h = 0; h < 4 - number.length(); h++) writer.write("0");
writer.write("" + i);
writer.newLine();
}
}
}
public static void main(String[] args) throws Exception {
blah = File.createTempFile("blah", null);
blah.deleteOnExit();
initTestFile(blah);
try {
out.println("Test file " + blah + " initialized");
testZero();
out.println("Zero size: OK");
testRead();
out.println("Read: OK");
testWrite();
out.println("Write: OK");
testHighOffset();
out.println("High offset: OK");
testExceptions();
out.println("Exceptions: OK");
} finally {
blah.delete();
}
}
public static void main(String[] args) throws IOException {
// open file but do not close it. Its existance will be checked by
// the calling script.
Paths.get(args[0]).newByteChannel(READ, WRITE, DELETE_ON_CLOSE);
// check temporary file has been deleted after closing it
Path file = File.createTempFile("blah", "tmp").toPath();
file.newByteChannel(READ, WRITE, DELETE_ON_CLOSE).close();
if (file.exists()) throw new RuntimeException("Temporary file was not deleted");
Path dir = TestUtil.createTemporaryDirectory();
try {
// check that DELETE_ON_CLOSE fails when file is a sym link
if (TestUtil.supportsLinks(dir)) {
file = dir.resolve("foo").createFile();
Path link = dir.resolve("link").createSymbolicLink(file);
try {
link.newByteChannel(READ, WRITE, DELETE_ON_CLOSE);
throw new RuntimeException("IOException expected");
} catch (IOException ignore) {
}
}
// check that DELETE_ON_CLOSE works with files created via open
// directories
DirectoryStream stream = dir.newDirectoryStream();
try {
if (stream instanceof SecureDirectoryStream) {
SecureDirectoryStream secure = (SecureDirectoryStream) stream;
file = Paths.get("foo");
Set<OpenOption> opts = new HashSet<OpenOption>();
opts.add(WRITE);
opts.add(DELETE_ON_CLOSE);
secure.newByteChannel(file, opts).close();
if (dir.resolve(file).exists()) throw new RuntimeException("File not deleted");
}
} finally {
stream.close();
}
} finally {
TestUtil.removeAll(dir);
}
}
/** Test exceptions specified by map method */
private static void testExceptions() throws Exception {
// check exceptions when channel opened for read access
try (FileChannel fc = FileChannel.open(blah.toPath(), READ)) {
testExceptions(fc);
checkException(fc, MapMode.READ_WRITE, 0L, fc.size(), NonWritableChannelException.class);
checkException(
fc,
MapMode.READ_WRITE,
-1L,
fc.size(),
NonWritableChannelException.class,
IllegalArgumentException.class);
checkException(
fc,
MapMode.READ_WRITE,
0L,
-1L,
NonWritableChannelException.class,
IllegalArgumentException.class);
checkException(fc, MapMode.PRIVATE, 0L, fc.size(), NonWritableChannelException.class);
checkException(
fc,
MapMode.PRIVATE,
-1L,
fc.size(),
NonWritableChannelException.class,
IllegalArgumentException.class);
checkException(
fc,
MapMode.PRIVATE,
0L,
-1L,
NonWritableChannelException.class,
IllegalArgumentException.class);
}
// check exceptions when channel opened for write access
try (FileChannel fc = FileChannel.open(blah.toPath(), WRITE)) {
testExceptions(fc);
checkException(fc, MapMode.READ_ONLY, 0L, fc.size(), NonReadableChannelException.class);
checkException(
fc,
MapMode.READ_ONLY,
-1L,
fc.size(),
NonReadableChannelException.class,
IllegalArgumentException.class);
/*
* implementation/spec mismatch, these tests disabled for now
*/
// checkException(fc, MapMode.READ_WRITE, 0L, fc.size(),
// NonWritableChannelException.class);
// checkException(fc, MapMode.PRIVATE, 0L, fc.size(),
// NonWritableChannelException.class);
}
// check exceptions when channel opened for read and write access
try (FileChannel fc = FileChannel.open(blah.toPath(), READ, WRITE)) {
testExceptions(fc);
}
}
