May 2024
Intermediate to advanced
752 pages
24h
Japanese
Content preview from Spring徹底入門 第2版 Spring FrameworkによるJavaアプリケーション開発
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9.4 認証処理の適用
■
JSP
からのアクセス
一般的な
Web
アプリケーションでは、ログインユーザーのユーザー情報などを画面に表示することがありま
す。このような要件を実現する際のログインユーザーの情報は、認証情報から取得することができます。
JSPから認証情報へアクセスする実装例
<%@ taglib prefix="sec" uri="http://www.springframework.org/security/tags" %>
<%-- ... --%>
ようこそ、
<sec:authentication property="principal.account.lastName"/>
❶
さん。
❶
SpringSecurity から提供されている
<sec:authentication>
要素を使用して、認証情報（
Authentication
オブジェ
クト）を取得する。
property
属性にアクセスしたいプロパティへのパスを指定する。ネストしているオブジェクトへ
アクセスしたい場合は、プロパティ名を「
.
」で連結すればよい
認証処理とSpring MVC の連携
Spring Security
は、
Spring MVC
と連携するためのコンポーネントをいくつか提供しています。ここでは、認
証処理と連携するためのコンポーネントの使い方を紹介します。
Spring Security
は 、認 証 情 報（
UserDetails ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.