internal.io.InternalResource Maven / Gradle / Ivy
package internal.io;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
@lombok.experimental.UtilityClass
public class InternalResource {
public static final int DEFAULT_BUFFER_SIZE = 8192;
public static byte[] readAllBytes(InputStream stream) throws IOException {
ByteArrayOutputStream result = new ByteArrayOutputStream();
transferTo(stream, result);
return result.toByteArray();
}
public static void transferTo(InputStream input, OutputStream output) throws IOException {
byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
int read;
while ((read = input.read(buffer, 0, DEFAULT_BUFFER_SIZE)) >= 0) {
output.write(buffer, 0, read);
}
}
}