/**
* Copy the contents of fromDir into toDir (if the latter is missing it will be created)
*
* @param fromDir
* @param toDir
* @throws IOException
*/
public static void deepCopy(File fromDir, File toDir) throws IOException {
if (!fromDir.isDirectory() || !fromDir.exists())
throw new IllegalArgumentException(
"Invalid source directory " + "(it's either not a directory, or does not exist");
if (toDir.exists() && toDir.isFile())
throw new IllegalArgumentException(
"Invalid destination directory, " + "it happens to be a file instead");
// create destination if not available
if (!toDir.exists()) if (!toDir.mkdir()) throw new IOException("Could not create " + toDir);
File[] files = fromDir.listFiles();
for (File file : files) {
File destination = new File(toDir, file.getName());
if (file.isDirectory()) deepCopy(file, destination);
else copy(file, destination);
}
}
/**
* Deeps copy the dataDirSourceDirectory provided in the constructor into a temporary directory.
* Subclasses may override it in order to add extra behavior (like setting up an external
* database)
*/
public void setUp() throws Exception {
data = IOUtils.createRandomDirectory("./target", "live", "data");
IOUtils.deepCopy(source, data);
}