[SiteMesh] layout Framework!!

SiteMesh는 OpenSource Layout Decoration engine입니다.
http://www.opensymphony.com/sitemesh/download.html 사이트 에서 다운로드 받을 수 있습니다.
위의 사이트에서 jar 파일을 다운로드 받은 뒤 library에 추가해서 이용하면 됩니다.

SiteMesh

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OPENSIMPONY 사이트에서는 SiteMesh를 다음과 같이 설명하고 있습니다.

• SiteMesh is a web-page layout and decoration framework and web- application integration framework to aid in creating large sites consisting of many pages for which a consistent look/feel, navigation and layout scheme is required.

• SiteMesh intercepts requests to any static or dynamically generated HTML page requested through the web-server, parses the page, obtains properties and data from the content and generates an appropriate final page with modifications to the original. This is based upon the well-known GangOfFour Decorator design pattern.

• SiteMesh can also include entire HTML pages as a Panel within another page. This is similar to a Server-Side Include, except that the HTML document will be modified to create a visual window (using the document's Meta-data as an aid) within a page. Using this feature, Portal type web sites can be built very quickly and effectively. This is based upon the well-known GangOfFour Composite design pattern.

• SiteMesh is built using Java 2 with Servlet, JSP and XML technologies. This makes it ideal for use with J2EE applications, however it can be integrated with server-side web architectures that are not Java based such as CGI (Perl/Python/C/C++/etc), PHP, Cold Fusion, etc...

• SiteMesh is very extensible and is designed in a way in which it is easy to extend for custom needs.

SiteMesh와 비슷한 Tiles는 Composite View Framework 입니다.

Composite View 와 Decorator를 비교해 보면 다음과 같습니다.

Aspect	Composite View	Decorator
Reusability	The different parts of the page (template and pieces) can be reused across the whole application.	Each decorator can be reused, but the decoration itself can be applied to one page at a time.
Ease of configuration	Each page must be defined explicitly.	The decorator can be applied even to the entire application.
Runtime configuration	The pages can be configured and organized at runtime	Since one page is decorated at a time, this feature is not present.
Performances	Low overhead for composition.	The page to be decorated has to be parsed.

이와 관련한 자세한 내용은 다음 사이트에 들어가면 확인할 수 있습니다.
http://tiles.apache.org/framework/tutorial/pattern.html

참조 :: http://www.opensymphony.com/sitemesh/index.html