@FixFor("MODE-1358")
@Test
public void shouldCopyFilesUsingStreams() throws Exception {
// Copy a large file into a temporary file ...
File tempFile = File.createTempFile("copytest", "pdf");
RandomAccessFile destinationRaf = null;
RandomAccessFile originalRaf = null;
try {
URL sourceUrl = getClass().getResource("/docs/postgresql-8.4.1-US.pdf");
assertThat(sourceUrl, is(notNullValue()));
File sourceFile = new File(sourceUrl.toURI());
assertThat(sourceFile.exists(), is(true));
assertThat(sourceFile.canRead(), is(true));
assertThat(sourceFile.isFile(), is(true));
boolean useBufferedStream = true;
final int bufferSize = AbstractBinaryStore.bestBufferSize(sourceFile.length());
destinationRaf = new RandomAccessFile(tempFile, "rw");
originalRaf = new RandomAccessFile(sourceFile, "r");
FileChannel destinationChannel = destinationRaf.getChannel();
OutputStream output = Channels.newOutputStream(destinationChannel);
if (useBufferedStream) output = new BufferedOutputStream(output, bufferSize);
// Create an input stream to the original file ...
FileChannel originalChannel = originalRaf.getChannel();
InputStream input = Channels.newInputStream(originalChannel);
if (useBufferedStream) input = new BufferedInputStream(input, bufferSize);
// Copy the content ...
Stopwatch sw = new Stopwatch();
sw.start();
IoUtil.write(input, output, bufferSize);
sw.stop();
System.out.println(
"Time to copy \""
+ sourceFile.getName()
+ "\" ("
+ sourceFile.length()
+ " bytes): "
+ sw.getTotalDuration());
} finally {
tempFile.delete();
if (destinationRaf != null) destinationRaf.close();
if (originalRaf != null) originalRaf.close();
}
}
