Run a jar file in JSP
19 May 2004
Runtime.getRuntime().exec("java -jar /path_to_jar/myfile.jar"); This should work on a windows or unix box (the above was tested on a unix box running Tomcat). ...
Create MD5 hash in JSP
19 May 2004
String plainText = "123456"; MessageDigest mdAlgorithm = MessageDigest.getInstance("MD5"); mdAlgorithm.update(plainText.getBytes()); byte[] digest = mdAlgorithm.digest(); StringBuffer hexString = new StringBuffer(); for (int i = 0; i < digest.length; i++) { plainText = Integer.toHexString(0xFF & digest[i]); if (plainText.length() < 2) { plainText = "0" + plainText; } ...