<web-app>
<servlet>
<servlet-name>RestServlet</servlet-name>
<servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>RestServlet</servlet-name>
<url-pattern>/*</url-pattern>
</servlet-mapping>
<security-constraint>
<web-resource-collection>
<url-pattern>/*</url-pattern>
<http-method>GET</http-method>
<http-method>POST</http-method>
</web-resource-collection>
<auth-constraint>
<role-name>admin</role-name>
</auth-constraint>
</security-constraint>
<login-config>
<auth-method>BASIC</auth-method>
<realm-name>default</realm-name>
</login-config>
<security-role>
<role-name>admin</role-name>
</security-role>
</web-app>
这是我的 web.xml 文件。我可以在这个 web.xml 文件中添加那些吗?还是有什么方法可以使用用户名和密码对 restful web api 进行身份验证?