<mvc:interceptors>
     bean class="br.com.softwarescomerciais.os.interceptor.AutorizadorInterceptor"></bean>
/mvc:interceptors>
mvc:default-servlet-handler/>

<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
    property name="driverClassName" value="com.mysql.jdbc.Driver"/>
    property name="url" value="jdbc:mysql://192.168.101.178/sc"/>
    property name="username" value="sfilho"/>
    property name="password" value="123"/>
/bean>

@Autowired
private DataSource dataSource;

public boolean existe(Usuario usuario) {
    if (usuario == null) {
        throw new IllegalArgumentException("Usuário não deve ser nulo");
    }

    String sql = "select NOME from USUARIOS where NOME = :NOME and SENHA = :SENHA";

    NamedParameterJdbcTemplate jdbcTemplate = new NamedParameterJdbcTemplate(dataSource);
    Map<String, Object> parametros = new HashMap<String, Object>();
    parametros.put("NOME", usuario.getNome());
    parametros.put("SENHA", usuario.getSenha());

    SqlRowSet srs = jdbcTemplate.queryForRowSet(sql, parametros);

    boolean existe = srs.next();
    return existe;
}