Spring java配置shiro動態數據庫權限

public class SpringShiroConfig {
    @Bean
    public EhCacheManager ehCacheManager() {
        EhCacheManager ehCacheManager = new EhCacheManager();
        ehCacheManager.setCacheManagerConfigFile("classpath:ehcache.xml");
        return ehCacheManager;
    }

//    @Bean(name = "passwordService")
//    public PasswordService passwordService() {
//        DefaultPasswordService passwordService = new DefaultPasswordService();
//        return passwordService;
//    }

    @Bean(name = "jdbcUserRealm")
    public AuthorizingRealm jdbcUserRealm() {
        AuthorizingRealm realm = new JdbcUserRealm();
        HashedCredentialsMatcher credentialsMatcher = new HashedCredentialsMatcher();
        credentialsMatcher.setHashAlgorithmName("md5");
        credentialsMatcher.setHashIterations(2);
        credentialsMatcher.setStoredCredentialsHexEncoded(true);
        realm.setCredentialsMatcher(credentialsMatcher);
        return realm;
    }

    @Bean(name = "securityManager")
    public DefaultWebSecurityManager securityManager(@Qualifier("jdbcUserRealm") Realm jdbcUserRealm) {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        securityManager.setRealm(jdbcUserRealm);
        return securityManager;
    }

    @Bean(name = "formAuthenticationFilter")
    public FormAuthenticationFilter formAuthenticationFilter() {
        FormAuthenticationFilter filter = new FormAuthenticationFilter();
        filter.setLoginUrl("/admin/login");
        return filter;
    }

    @Bean(name = "shiroFilter")
    public ShiroFilterFactoryBean shiroFilterFactoryBean(
            @Qualifier("securityManager")SecurityManager securityManager,
            @Qualifier("formAuthenticationFilter")FormAuthenticationFilter filter,
            @Qualifier("permissionMapper")PermissionMapper permissionMapper) {
        //ShiroFilterFactoryBean
        ShiroFilterFactoryBean shiroFilterFactoryBean = new ShiroFilterFactoryBean();
        shiroFilterFactoryBean.setLoginUrl("/admin/login");
        shiroFilterFactoryBean.setSuccessUrl("/admin/main");
        shiroFilterFactoryBean.setUnauthorizedUrl("/admin/unauthorized");
        shiroFilterFactoryBean.setSecurityManager(securityManager);
//        shiroFilterFactoryBean.setFilterChainDefinitions(
//            "/admin/login = anon\n" +
//            "/admin/logout = logout\n" +
//            "/** = user\n" +
//            "/resources/** = anon\n"
//        );

        Map<String, String> filterChainDefinitionMap = new HashMap<>();
        filterChainDefinitionMap.put("/**", "user");
        filterChainDefinitionMap.put("/resources/**", "anon");
        filterChainDefinitionMap.put("/admin/login", "anon");
        filterChainDefinitionMap.put("/admin/logout", "logout");
        //database url permissions
        List<Permission> permissionList = permissionMapper.listAll();
        if(permissionList != null) {
            permissionList.stream().filter(perm -> StringUtils.isNotBlank(perm.getUrl())).forEach(perm -> {
                //"authc, roles[admin,user], perms[file:edit]"
                String perms = perm.getPerms();
                String permissionChain = genChainDefinitionString(perms, "perms");
                String roles = perm.getRoles();
                String roleChain = genChainDefinitionString(roles, "roles");
                StringBuilder chainMerge = new StringBuilder();
                boolean hasPerms = false;
                if(StringUtils.isNotBlank(permissionChain)) {
                    chainMerge.append(permissionChain);
                    hasPerms = true;
                }
                if(StringUtils.isNotBlank(roleChain)) {
                    if(hasPerms) {
                        chainMerge.append(",");
                    }
                    chainMerge.append(roleChain);
                    hasPerms = true;
                }
                if(hasPerms) {
                    filterChainDefinitionMap.put(perm.getUrl(), chainMerge.toString());
                }
            });
        }
        shiroFilterFactoryBean.setFilterChainDefinitionMap(filterChainDefinitionMap);

        //filters
        Map<String, Filter> filters = new HashMap<>();
        filters.put("authc", filter);

        shiroFilterFactoryBean.setFilters(filters);

        return shiroFilterFactoryBean;
    }


    /**
     *
     * @param permissionStr Splits by the comma-delimited
     * @param filterName {@link org.apache.shiro.web.filter.mgt.DefaultFilter}
     * @return
     */
    private String genChainDefinitionString(String permissionStr, String filterName) {
        StringBuilder chainDefinitionBuilder = new StringBuilder();
        if(StringUtils.isNotBlank(permissionStr)) {
            boolean isFirst = true;
            for(String perm : permissionStr.split(",")) {
                if(isFirst) {
                    isFirst = false;
                } else {
                    chainDefinitionBuilder.append(",");
                }
                chainDefinitionBuilder.append(filterName).append("[").append(perm).append("]");
            }
        }
        return chainDefinitionBuilder.toString();
    }
}

java配置很是的簡單，若是用xml配置還要繼承DefaultFilterChainManager，配置起來有點繞（由於xml沒辦法拿到數據中的權限配置）

xml配置能夠參考http://jinnianshilongnian.iteye.com/blog/2040929