package mage.client.util; import java.io.File; public class FileUtils { public static File getTempDir(String key) { String tmpDir = System.getProperty("java.io.tmpdir"); String sep = System.getProperty("file.separator"); if (!tmpDir.endsWith(sep)) tmpDir += sep; tmpDir += key + "-" + java.util.UUID.randomUUID().toString(); File dir = new File(tmpDir); if (!dir.mkdirs()) { throw new RuntimeException("couldn't create temp directory " + tmpDir); } return dir; } }