Module org.apache.wicket.core

Package org.apache.wicket.resource

Class CssUrlReplacer

java.lang.Object

org.apache.wicket.resource.CssUrlReplacer

All Implemented Interfaces:

ICssCompressor, IScopeAwareTextResourceProcessor, ITextResourceCompressor

public class CssUrlReplacer
extends Object
implements IScopeAwareTextResourceProcessor, ICssCompressor

This compressor is used to replace URLs within CSS files with URLs created from PackageResourceReferences that belongs to their corresponding resources (e.g images).The scope of the CSS file is used to create the PackageResourceReferences. The compress method is not compressing any content, but replacing the URLs with Wicket representatives.

Usage:

 this.getResourceSettings().setCssCompressor(new CssUrlReplacer());
 

Since:

6.20.0

Author:

Tobias Soloschenko

Field Summary

Fields

Modifier and Type	Field	Description
static final String	EMBED_BASE64	Used to be append to CSS URLs (background-image: url('Beer.gif?

Constructor Summary

Constructors

Constructor	Description
CssUrlReplacer()	Creates a css url replacer
CssUrlReplacer(Collection<String> excludes)	Creates a css url replacer

Method Summary

Modifier and Type	Method	Description
String	compress(String original)	Remove comments and white spaces from the text resource
Collection<String>	getExcludes()	Gets excluded css file names
String	process(String input, Class<?> scope, String name)	Replaces the URLs of CSS resources with Wicket representatives.
void	setExcludes(Collection<String> excludes)	Sets a list of css file names to be excluded

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

EMBED_BASE64

public static final String EMBED_BASE64

Used to be append to CSS URLs (background-image: url('Beer.gif?embedBase64');). The CssUrlReplacer embeds the base64 content instead of using an URL.

See Also:

• Constant Field Values

Constructor Details

CssUrlReplacer

public CssUrlReplacer()

Creates a css url replacer

CssUrlReplacer

public CssUrlReplacer(Collection<String> excludes)

Creates a css url replacer

Parameters:

excludes - css file names to be excluded

Method Details

process

public String process(String input,
 Class<?> scope,
 String name)

Replaces the URLs of CSS resources with Wicket representatives.

Specified by:

process in interface IScopeAwareTextResourceProcessor

Parameters:

input - The original input to process

scope - The scope class of the package resource

name - The name of the package resource

Returns:

The processed input

compress

public String compress(String original)

Description copied from interface: ITextResourceCompressor

Remove comments and white spaces from the text resource

Specified by:

compress in interface ITextResourceCompressor

Returns:

compressed text resource

getExcludes

public Collection<String> getExcludes()

Gets excluded css file names

Returns:

a list with css file names to be excluded

setExcludes

public void setExcludes(Collection<String> excludes)

Sets a list of css file names to be excluded

Parameters:

excludes - a list with css file names to be excluded