com.sentinel.config.TokenHandler.java Source code

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Here is the source code for com.sentinel.config.TokenHandler.java

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/**
 *  * Copyright (c) 2016 ;; 
 * All rights reserved. 
 * 
 *   Licensed under Beer License
 */
package com.sentinel.config;

import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;

import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.SignatureAlgorithm;

import com.sentinel.service.UserProfileService;

/**
 * @author Vipin Kumar
 * @created 16-Feb-2016
 * 
 * TODO: Write a quick description of what the class is supposed to do.
 * 
 */
public class TokenHandler {

    private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(TokenHandler.class);

    private final String secret;
    private final UserProfileService userService;

    public TokenHandler(String secret, UserProfileService userService) {
        this.secret = secret;
        this.userService = userService;
    }

    public User parseUserFromToken(String token) {
        String username = Jwts.parser().setSigningKey(secret).parseClaimsJws(token).getBody().getSubject();
        return userService.loadUserByUsername(username);
    }

    public String createTokenForUser(User user) {
        return Jwts.builder().setSubject(user.getUsername()).signWith(SignatureAlgorithm.HS512, secret).compact();
    }

}