欢迎来到另一期的《本周 Spring 动态》。本周有很多精彩内容，让我们开始吧。

另外：如果您正在瑞典斯德哥尔摩参加 JFokus Java 大会，请务必访问 VMware 展位，向我们问好或询问有关 Spring、Cloud Foundry 和 vFabric 的问题。

1. Alan Stewart 宣布了 Spring Roo 1.2.1 的发布，其中包括针对多模块 Maven 项目的修复、巨大的性能增强以及对 PrimeFaces 3.1 和 Google App Engine 1.6.2 的更新支持。

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   <LI> Oliver Gierke has announced that <a href = "http://www.springsource.org/node/3469">JPA 1.1.0 RC1 and 1.0.3 GA have been released</a>. Among the many new features, the release includes support for locking, 
   	 <code>@IdClass</code> in entities,
   	Support for <code>LessThanEqual</code> and  <code>GreaterThanEquals</code>, <code>True</code>/<code>False</code> keywords in query methods,
   	added CDI integration for Spring Data repositories,
   

   以及改进的派生查询的空值参数绑定。

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In this video from <a href = "http://www.springone2gx.com">SpringOne 2GX 2011</a>,	
    <a href = "http://blog.springsource.org/author/jolong/">Josh Long</a> and 
    <a href = "http://blog.springsource.org/author/rclarkson/">Roy Clarkson</a> introduce 
	<a href = "http://www.infoq.com/presentations/Native-Android-Development-Practices">Native Android Development Practices</a> 
	using the <A href = "http://www.springsource.org/spring-android">Spring Android</A> project. 				
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		In another video from SpringOne2GX, <a href = "http://blog.springsource.org/author/dsyer/">
		Dr. David Syer</A> discusses <a href = "http://www.infoq.com/presentations/Identity-Management-with-Spring-Security">identity management with Spring Security</a>. He covers Single Sign On, security standards (including SAML, OpenID, OAuth, SCIM, JWT), how Spring Security can fit in</a>, as well as demoing IdM as a service.  
					
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   Last week, Jason Weathersby and <a href="http://blog.springsource.org/author/jolong/">Josh Long</a> put together an introduction to using <a href = "http://www.springsource.org/BusinessIntelligenceWithSpringAndBIRT">BIRT and Spring together</a>.

BIRT 是一款用于商业智能和报表制作的出色技术，Spring 已经了解您的数据，因此将它们连接起来是水到渠成的下一步。尽情享受吧！

	<LI> <a href = "http://blog.codecentric.de/en/author/tobias-flohre/">Tobias Flohre</a> is back with not one, but <EM>two</EM> great posts on Spring! The first, a follow up to his series <a href = "http://blog.codecentric.de/en/2012/02/a-business-component-architecture-with-spring-3-03-1-part-3-properties/">on business component architectures introduces  properties and their use in Spring 3.1</a>. 
		
		The second post, on <a href = "http://blog.codecentric.de/en/2012/02/spring-data-mongodb-geospatial-queries/">geospatial queries in Spring Data MongoDB</a>, is a <EM>fantastic</EM> look at 	
		both geolocation, and the specific application  from <A href ="http://www.springsource.org/spring-data/mongodb">Spring Data MongoDB</a>.
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	<LI> The Java CodeGeeks have a great post on <a href = "http://www.javacodegeeks.com/2012/02/oauth-with-spring-security.html">securing your resources with   Spring Security OAuth</a>. 
		 This  post is <EM>not</EM> to be missed! 
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    	<LI> The YouTube channel, <A href= "http://www.youtube.com/user/springtutorial">SpringTutorial</A>, has put together a high-level overview introduction of several vFabric technologies including <a href= "http://www.youtube.com/watch?v=0rQipBeoU44">Hyperic</A>, <a href ="http://www.youtube.com/watch?v=VACq59epZRE&feature=related">tcServer</a>, and <A href = "http://www.youtube.com/watch?v=7DdoAeLUA_8&feature=related">GemFire</a>. Good content, and worth a look for your production needs. 
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