import org.springframework.ui.context.ThemeSource; //导入依赖的package包/类
@Override
public void setParentThemeSource(ThemeSource parent) {
	this.parentThemeSource = parent;

	// Update existing Theme objects.
	// Usually there shouldn't be any at the time of this call.
	synchronized (this.themeCache) {
		for (Theme theme : this.themeCache.values()) {
			initParent(theme);
		}
	}
}
 

import org.springframework.ui.context.ThemeSource; //导入依赖的package包/类
/**
 * Retrieves the current theme from the given request, using the ThemeResolver
 * and ThemeSource bound to the request by the DispatcherServlet.
 * @param request current HTTP request
 * @return the current theme, or {@code null} if not found
 * @see #getThemeResolver
 */
public static Theme getTheme(HttpServletRequest request) {
	ThemeResolver themeResolver = getThemeResolver(request);
	ThemeSource themeSource = getThemeSource(request);
	if (themeResolver != null && themeSource != null) {
		String themeName = themeResolver.resolveThemeName(request);
		return themeSource.getTheme(themeName);
	}
	else {
		return null;
	}
}
 

import org.springframework.ui.context.ThemeSource; //导入依赖的package包/类
/**
 * Return this servlet's ThemeSource, if any; else return {@code null}.
 * <p>Default is to return the WebApplicationContext as ThemeSource,
 * provided that it implements the ThemeSource interface.
 * @return the ThemeSource, if any
 * @see #getWebApplicationContext()
 */
public final ThemeSource getThemeSource() {
	if (getWebApplicationContext() instanceof ThemeSource) {
		return (ThemeSource) getWebApplicationContext();
	}
	else {
		return null;
	}
}
 

import org.springframework.ui.context.ThemeSource; //导入依赖的package包/类
public void setParentThemeSource(ThemeSource parent) {
	this.parentThemeSource = parent;

	// Update existing Theme objects.
	// Usually there shouldn't be any at the time of this call.
	synchronized (this.themeCache) {
		for (Theme theme : this.themeCache.values()) {
			initParent(theme);
		}
	}
}
 

import org.springframework.ui.context.ThemeSource; //导入依赖的package包/类
@Override
public ThemeSource getParentThemeSource() {
	return this.parentThemeSource;
}
 

import org.springframework.ui.context.ThemeSource; //导入依赖的package包/类
@Override
public void setParentThemeSource(ThemeSource parentThemeSource) {
	this.parentThemeSource = parentThemeSource;
}
 

import org.springframework.ui.context.ThemeSource; //导入依赖的package包/类
@Override
public ThemeSource getParentThemeSource() {
	return parentThemeSource;
}
 

import org.springframework.ui.context.ThemeSource; //导入依赖的package包/类
public ThemeSource getParentThemeSource() {
	return this.parentThemeSource;
}
 

import org.springframework.ui.context.ThemeSource; //导入依赖的package包/类
public void setParentThemeSource(ThemeSource parentThemeSource) {
	this.parentThemeSource = parentThemeSource;
}
 

import org.springframework.ui.context.ThemeSource; //导入依赖的package包/类
public ThemeSource getParentThemeSource() {
	return parentThemeSource;
}
 

import org.springframework.ui.context.ThemeSource; //导入依赖的package包/类
/**
 * Return the ThemeSource that has been bound to the request by the
 * DispatcherServlet.
 * @param request current HTTP request
 * @return the current ThemeSource
 */
public static ThemeSource getThemeSource(HttpServletRequest request) {
	return (ThemeSource) request.getAttribute(DispatcherServlet.THEME_SOURCE_ATTRIBUTE);
}