DelegatingThemeSource

extends Object
implements HierarchicalThemeSource

java.lang.Object
↳	org.springframework.ui.context.support.DelegatingThemeSource

Class Overview

Empty ThemeSource that delegates all calls to the parent ThemeSource. If no parent is available, it simply won't resolve any theme.

Used as placeholder by UiApplicationContextUtils, if a context doesn't define its own ThemeSource. Not intended for direct use in applications.

Public Constructors
	DelegatingThemeSource()

Public Methods
ThemeSource	getParentThemeSource() Return the parent of this ThemeSource, or `null` if none.
Theme	getTheme(String themeName) Return the Theme instance for the given theme name.
void	setParentThemeSource(ThemeSource parentThemeSource) Set the parent that will be used to try to resolve theme messages that this object can't resolve.

Inherited Methods

From class java.lang.Object

Return the parent of this ThemeSource, or null if none.

Return the Theme instance for the given theme name.

The returned Theme will resolve theme-specific messages, codes, file paths, etc (e.g. CSS and image files in a web environment).

themeName	the name of the theme

the corresponding Theme, or null if none defined. Note that, by convention, a ThemeSource should at least be able to return a default Theme for the default theme name "theme" but may also return default Themes for other theme names.

Set the parent that will be used to try to resolve theme messages that this object can't resolve.

parentThemeSource	the parent ThemeSource that will be used to resolve messages that this object can't resolve. May be `null`, in which case no further resolution is possible.