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

All Implemented Interfaces:
HierarchicalThemeSource, ThemeSource
```
public class DelegatingThemeSource
extends Object
implements HierarchicalThemeSource
```
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.
Since:
1.2.4
Author:
Juergen Hoeller
See Also:
UiApplicationContextUtils

Constructor Summary
Constructors
Constructor Description
DelegatingThemeSource()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`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.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - DelegatingThemeSource
```
public DelegatingThemeSource()
```
- Method Detail
  - setParentThemeSource
```
public void setParentThemeSource(@Nullable
                                 ThemeSource parentThemeSource)
```
    Description copied from interface: HierarchicalThemeSource
    Set the parent that will be used to try to resolve theme messages that this object can't resolve.
    Specified by:
    setParentThemeSource in interface HierarchicalThemeSource
    Parameters:
    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.
  - getParentThemeSource
```
@Nullable
public ThemeSource getParentThemeSource()
```
    Description copied from interface: HierarchicalThemeSource
    Return the parent of this ThemeSource, or null if none.
    Specified by:
    getParentThemeSource in interface HierarchicalThemeSource
  - getTheme
```
@Nullable
public Theme getTheme(String themeName)
```
    Description copied from interface: ThemeSource
    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).
    Specified by:
    getTheme in interface ThemeSource
    Parameters:
    themeName - the name of the theme
    Returns:
    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.
    See Also:
    AbstractThemeResolver.ORIGINAL_DEFAULT_THEME_NAME

Class DelegatingThemeSource

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

DelegatingThemeSource

Method Detail

setParentThemeSource

getParentThemeSource

getTheme