[ http://issues.apache.org/jira/browse/JS2-311?page=all ]
Shinsuke SUGAYA resolved JS2-311:
---------------------------------
Fix Version: 2.0-dev/cvs
Resolution: Fixed
> Header Resource component
> -------------------------
>
> Key: JS2-311
> URL: http://issues.apache.org/jira/browse/JS2-311
> Project: Jetspeed 2
> Type: New Feature
> Components: Other
> Versions: 2.0-dev/cvs
> Environment: Linux, J2SE
> Reporter: Shinsuke SUGAYA
> Assignee: Shinsuke SUGAYA
> Fix For: 2.0-dev/cvs
>
> ===============
> Header Resource
> ===============
> Overviews:
> ----------
> Header Resource component allows user to add tags, such as <link> and
> <script> tag into <head> tag. Currently, Jetspeed2 puts only decorators
> stylesheet tag into <head> tag. But, using Header Resource Component,
> user can put user-defined stylesheet and javascript file from portal or
> portlet.
> Design:
> -------
> i) Process to add tags to HeaderResource component
> ---------------------------
> |JetspeedPortletServices..|
> ---------------------------
> |
> V
> --------------------------------------------
> |o.a.j.headerresource.HeaderResourceFactory|
> --------------------------------------------
> | getHeaderResouce(RequestContext
> requestContext)
> V
> -------------------------------------
> |o.a.j.headerresource.HeaderResource|
> -------------------------------------
> A Add tag into Set for HeaderResource
> | addHeaderInfo(), addJavaScript(),
> addStyleSheet()
> Tag (<link> and <script>)
>
> ii) Process to get tags from HeaderResource component
> ---------------------------
> |JetspeedPortletServices..|
> ---------------------------
> |
> V
> --------------------------------------------
> |o.a.j.headerresource.HeaderResourceFactory|
> --------------------------------------------
> | getHeaderResouce(RequestContext
> requestContext)
> V
> -------------------------------------
> |o.a.j.headerresource.HeaderResource|
> -------------------------------------
> | toString()
> V
> Template file(ex. decorator-tom.vm)
> Task Lists:
> -----------
> Added Interfaces
> ----------------
> o org.apache.jetspeed.headerresource.HeaderResource
> public abstract HeaderResource getHeaderResouce(RequestContext
> requestContext);
> public abstract HeaderResource getHeaderResouce(PortletRequest request);
> o org.apache.jetspeed.headerresource.HeaderResourceFactory
> public abstract String toString();
> public abstract void addHeaderInfo(String elementName, Map attributes);
> public abstract void addJavaScript(String path, boolean defer);
> public abstract void addJavaScript(String path);
> public abstract void addStyleSheet(String path);
> Added Classes
> -------------
>
> components/src/java/org/apache/jetspeed/headerresource/impl/HeaderResourceFactoryImpl.java
>
> components/src/java/org/apache/jetspeed/headerresource/impl/HeaderResourceImpl.java
> - HeaderResourceImpl class creates LinkedHashSet and put it into
> RequestContext#setAttribute(). LinkedHashSet has tags info to put
> them into <head> tag.
> Usage
> -----
> In Portal
> ---------
> Example:
> HeaderResourceFactory headerResourceFactory
> =
> (HeaderResourceFactory)Jetspeed.getComponentManager().getComponent(HeaderResourceFactory.class);
> HeaderResource headerResource =
> headerResourceFactory.getHeaderResouce(requestContext);
> headerResource.addStyleSheet("content/css/styles.css");
> In Portlet
> ----------
> Example:
> HeaderResourceFactory headerResourceFactory
> =
> getPortletContext().getAttribute(CommonPortletServices.CPS_HEADER_RESOURCE_FACTORY);
> HeaderResource headerResource =
> headerResourceFactory.getHeaderResouce(request);
> headerResource.addJavascript("script.js");
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