/**
* Get the resource content as a byte array. Fail if the resource does not exist, or if we failed
* to read the resource file.
*
* @param resource The resource to read.
* @return The resource content as byte array.
*/
public static byte[] getResourceAsBytes(String resource) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try (InputStream in = getResourceAsStream(resource)) {
IOUtils.copy(in, baos);
} catch (IOException e) {
fail("Failed to read resource " + resource + ": " + e.getMessage());
}
return baos.toByteArray();
}
/**
* Copy a resource to the target directory. The resource file retains it's name.
*
* @param resource The resource path.
* @param dir Target directory.
*/
public static void copyResourceTo(String resource, File dir) {
if (!dir.exists()) {
fail("Trying to copy resource " + resource + " to non-existing directory: " + dir);
}
if (dir.isFile()) {
fail("Trying to copy resource " + resource + " to file: " + dir + ", directory required");
}
int i = resource.lastIndexOf('/');
File file = new File(dir, resource.substring(i + 1));
try (FileOutputStream fos = new FileOutputStream(file);
BufferedOutputStream out = new BufferedOutputStream(fos);
InputStream in = getResourceAsStream(resource)) {
IOUtils.copy(in, out);
out.flush();
fos.getFD().sync();
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}