Re: Subclassing a component
Re: Subclassing a component
- Subject: Re: Subclassing a component
- From: Chuck Hill <email@hidden>
- Date: Thu, 15 Oct 2009 16:27:40 -0700
On Oct 15, 2009, at 4:22 PM, Lon Varscsak wrote:
Is there a way to subclass a component and have it use the template of
the super-class?
/**
* Allows a component to "inherit" the template (.html and .wod
files) from another component.
* <p>Usage:</p>
* <pre>
* public WOElement template() {
* return inheritTemplateFrom("AddAddress", "CoreUI");
* }
* </pre>
* This very simple implementation does have some limitations:
* <ol>
* <li>It can't he used to inherit the template of another
component inheriting a template.</li>
* <li>It can't handle having two components with the same name
in different packages</li>
* <li>It does not use WO template caching</li>
* </ol>
*
* @see com.webobjects.appserver.WOComponent#template()
*
* @param componentName the name of the component whose template
will be inherited
* @param frameworkName name of the framework the component is
in, or null if in the application
* @return the template form the indicated component
*/
public WOElement inheritTemplateFrom(String componentName, String
frameworkName)
{
/** require [valid_componentName] componentName != null; **/
String componentPath = componentName + ".wo/" + componentName
+ ".";
String htmlString =
ResourceManagerAdditions.stringFromResource(componentPath + "html",
null, session().languages());
String wodString =
ResourceManagerAdditions.stringFromResource(componentPath + "wod",
null, session().languages());
return WOComponent.templateWithHTMLString(htmlString,
wodString, session().languages());
/** ensure [valid_Result] Result != null; **/
}
--
Chuck Hill Senior Consultant / VP Development
Practical WebObjects - for developers who want to increase their
overall knowledge of WebObjects or who are trying to solve specific
problems.
http://www.global-village.net/products/practical_webobjects
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