public static void copy(ModifiableTraversableSource from, ModifiableTraversableSource to)
throws IOException {
if (!from.exists()) {
throw new IOException("Cannot find source file/folder");
}
if (from.isCollection()) {
to.makeCollection();
Collection contents;
try {
contents = from.getChildren();
} catch (SourceException se) {
throw new RuntimeException("Unable to list contents for collection " + from);
}
for (Iterator iter = contents.iterator(); iter.hasNext(); ) {
ModifiableTraversableSource src = (ModifiableTraversableSource) iter.next();
SourceUtil.copy(src, resolve(to.getURI() + "/" + src.getName()));
}
} else {
to = (ModifiableTraversableSource) resolve(to.getURI());
InputStream in = null;
OutputStream out = null;
try {
in = from.getInputStream();
out = to.getOutputStream();
copy(in, out);
} finally {
if (out != null) out.close();
if (in != null) in.close();
}
}
}
