/*
 * Copyright 2002-2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
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package org.springframework.ui.context;

import org.springframework.lang.Nullable;

Sub-interface of ThemeSource to be implemented by objects that can resolve theme messages hierarchically.
Author:Jean-Pierre Pawlak, Juergen Hoeller
/** * Sub-interface of ThemeSource to be implemented by objects that * can resolve theme messages hierarchically. * * @author Jean-Pierre Pawlak * @author Juergen Hoeller */
public interface HierarchicalThemeSource extends ThemeSource {
Set the parent that will be used to try to resolve theme messages that this object can't resolve.
Params:
  • parent – 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.
/** * Set the parent that will be used to try to resolve theme messages * that this object can't resolve. * @param parent the parent ThemeSource that will be used to * resolve messages that this object can't resolve. * May be {@code null}, in which case no further resolution is possible. */
void setParentThemeSource(@Nullable ThemeSource parent);
Return the parent of this ThemeSource, or null if none.
/** * Return the parent of this ThemeSource, or {@code null} if none. */
@Nullable ThemeSource getParentThemeSource(); }