Package com.helger.css.decl.visit

Interface ICSSUrlVisitor

All Known Implementing Classes:

AbstractModifyingCSSUrlVisitor, DefaultCSSUrlVisitor

public interface ICSSUrlVisitor

Interface for visiting all URLs in a CSS document.

Author:

Philip Helger

See Also:

• DefaultCSSUrlVisitor for a default empty implementation
• AbstractModifyingCSSUrlVisitor for an abstract URL visitor that modifies URLs according to a rule

Method Summary

Modifier and Type	Method	Description
default void	begin()	Before visiting starts.
default void	end()	After visiting is done.
void	onImport(CSSImportRule aImportRule)	Called on CSS import statement.
void	onUrlDeclaration(ICSSTopLevelRule aTopLevelRule, CSSDeclaration aDeclaration, CSSExpressionMemberTermURI aURITerm)	Called on a CSS declaration value that contains an URL. Note: for keyframes it is currently not possible to retrieve the keyframes block to which the declaration belongs.

Method Details

begin

default void begin()

Before visiting starts.

onImport

void onImport(@Nonnull
 CSSImportRule aImportRule)

Called on CSS import statement. Use aImportRule.getLocation() to retrieve the imported URL.

Parameters:

aImportRule - Other imported CSS. Never null.

onUrlDeclaration

void onUrlDeclaration(@Nullable
 ICSSTopLevelRule aTopLevelRule,
 @Nonnull
 CSSDeclaration aDeclaration,
 @Nonnull
 CSSExpressionMemberTermURI aURITerm)

Called on a CSS declaration value that contains an URL.
Note: for keyframes it is currently not possible to retrieve the keyframes block to which the declaration belongs.

Parameters:

aTopLevelRule - Top level rule of the URL. May be null when a declaration list is handled.

aDeclaration - Declaration of the URL. Never null.

aURITerm - The URI term from the current expression. Never null.

end

default void end()

After visiting is done.