{
// create
final OutputStream out = new FileOutputStream(output);
final ArchiveOutputStream os = new ArchiveStreamFactory().createArchiveOutputStream("ar", out);
os.putArchiveEntry(new ArArchiveEntry("test1.xml", file1.length()));
IOUtils.copy(new FileInputStream(file1), os);
os.closeArchiveEntry();
os.putArchiveEntry(new ArArchiveEntry("test2.xml", file2.length()));
IOUtils.copy(new FileInputStream(file2), os);
os.closeArchiveEntry();
os.close();
out.close();
}
assertEquals(8
+ 60 + file1.length() + (file1.length() % 2)
+ 60 + file2.length() + (file2.length() % 2),
output.length());
final File output2 = new File(dir, "bla2.ar");
int copied = 0;
int deleted = 0;
{
// remove all but one file
final InputStream is = new FileInputStream(output);
final OutputStream os = new FileOutputStream(output2);
final ArchiveOutputStream aos = new ArchiveStreamFactory().createArchiveOutputStream("ar", os);
final ArchiveInputStream ais = new ArchiveStreamFactory().createArchiveInputStream(new BufferedInputStream(is));
while(true) {
final ArArchiveEntry entry = (ArArchiveEntry)ais.getNextEntry();
if (entry == null) {
break;
}
if ("test1.xml".equals(entry.getName())) {
aos.putArchiveEntry(entry);
IOUtils.copy(ais, aos);
aos.closeArchiveEntry();
copied++;
} else {
IOUtils.copy(ais, new ByteArrayOutputStream());
deleted++;
}
}
ais.close();
aos.close();
is.close();
os.close();
}
assertEquals(1, copied);
assertEquals(1, deleted);
assertEquals(8
+ 60 + file1.length() + (file1.length() % 2),
output2.length());
long files = 0;
long sum = 0;
{
final InputStream is = new FileInputStream(output2);
final ArchiveInputStream ais = new ArchiveStreamFactory().createArchiveInputStream(new BufferedInputStream(is));
while(true) {
final ArArchiveEntry entry = (ArArchiveEntry)ais.getNextEntry();
if (entry == null) {
break;
}
IOUtils.copy(ais, new ByteArrayOutputStream());
sum += entry.getLength();
files++;
}
ais.close();
is.close();
}