Java tutorial
/** * Copyright 2015 Balwinder Sodhi * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package in.bookmylab; import java.nio.charset.StandardCharsets; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.Date; import java.util.logging.Level; import java.util.logging.Logger; import org.apache.commons.codec.binary.Base64; import org.apache.commons.lang3.StringUtils; /** * * @author Balwinder Sodhi */ public class Utils { private static final String salt = "88yt5%432aSdAsdP3#1"; private static Logger log = Logger.getLogger(Utils.class.getName()); public static String hashPassword(String password) { String hashed = null; try { if (!StringUtils.isBlank(password)) { MessageDigest digest = MessageDigest.getInstance("SHA-256"); byte[] hash = digest.digest((salt + password).getBytes(StandardCharsets.ISO_8859_1)); //hashed = Base64.getEncoder().encodeToString(hash); hashed = Base64.encodeBase64String(hash); } } catch (NoSuchAlgorithmException ex) { log.log(Level.SEVERE, "Could not hash string.", ex); } return hashed; } public static Date parseDate(String strDate, String format) throws ParseException { SimpleDateFormat df = new SimpleDateFormat(format); return df.parse(strDate); } }