Java tutorial
/** * Guick Generate class: https://github.com/wdavilaneto/guick * Author: service-wdavilaneto@redhat.com * This source is free under The Apache Software License, Version 2.0 * license url http://www.apache.org/licenses/LICENSE-2.0.txt */ package com.lennonjesus.auth.security.provider; import org.springframework.security.authentication.AuthenticationProvider; import org.springframework.security.authentication.UsernamePasswordAuthenticationToken; import org.springframework.security.core.Authentication; import org.springframework.security.core.AuthenticationException; import org.springframework.security.core.GrantedAuthority; import org.springframework.security.core.authority.SimpleGrantedAuthority; import org.springframework.stereotype.Service; import java.util.ArrayList; import java.util.List; /** * */ @Service public class SecurityAuthenticationProvider implements AuthenticationProvider { @Override public Authentication authenticate(Authentication authentication) throws AuthenticationException { String name = authentication.getName(); String password = authentication.getCredentials().toString(); if (name.equals("user") && password.equals("user")) { List<GrantedAuthority> grantedAuths = new ArrayList<GrantedAuthority>(); grantedAuths.add(new SimpleGrantedAuthority("ROLE_USER")); return new UsernamePasswordAuthenticationToken(name, password, grantedAuths); } if (name.equals("admin") && password.equals("admin")) { List<GrantedAuthority> grantedAuths = new ArrayList<GrantedAuthority>(); grantedAuths.add(new SimpleGrantedAuthority("ROLE_ADMIN")); return new UsernamePasswordAuthenticationToken(name, password, grantedAuths); } return null; } @Override public boolean supports(Class<?> authentication) { return authentication.equals(UsernamePasswordAuthenticationToken.class); } }