com.github.wuic.engine.core

Class CssUrlLineInspector

java.lang.Object

com.github.wuic.engine.LineInspector

com.github.wuic.engine.core.CssUrlLineInspector

All Implemented Interfaces:

NutFilterHolder

public class CssUrlLineInspector
extends LineInspector
implements NutFilterHolder

This class inspects CSS files to extract nuts referenced with @import statement to process it. Then it adapts the path of those processed nuts to be accessible when exposed to the browser through WUIC uri.

Since:

0.3.3

Version:

1.5

Author:

Guillaume DROUET

Nested Class Summary

Nested classes/interfaces inherited from class com.github.wuic.engine.LineInspector

LineInspector.ReplacementInfo

Field Summary

Fields inherited from class com.github.wuic.engine.LineInspector

STRING_LITERAL_REGEX

Constructor Summary

Constructors

Constructor and Description
CssUrlLineInspector() Builds a new instance.

Method Summary

Methods

Modifier and Type	Method and Description
List<? extends ConvertibleNut>	appendTransformation(Matcher matcher, StringBuilder replacement, EngineRequest request, CompositeNut.CompositeInputStream cis, ConvertibleNut originalNut) Computes the replacement to be made inside the text for the given Matcher which its find() method as just been called.
void	setNutFilter(List<NutFilter> filters) Sets the filter.
protected String	toString(ConvertibleNut convertibleNut) Converts the given ConvertibleNut to a String representation that is possible to append directly to the referencer.

Methods inherited from class com.github.wuic.engine.LineInspector

fallbackToVersionNumberInQueryString, getHeap, getPattern, manageAppend, replacementInfo

Methods inherited from class java.lang.Object

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

Constructor Detail

CssUrlLineInspector

public CssUrlLineInspector()

Builds a new instance.

Method Detail

appendTransformation

public List<? extends ConvertibleNut> appendTransformation(Matcher matcher,
                                                  StringBuilder replacement,
                                                  EngineRequest request,
                                                  CompositeNut.CompositeInputStream cis,
                                                  ConvertibleNut originalNut)
                                                    throws WuicException

Computes the replacement to be made inside the text for the given Matcher which its find() method as just been called.

Specified by:

appendTransformation in class LineInspector

Parameters:

matcher - the matcher which provides found text thanks to its group() method.

replacement - the text which will replace the matching text

request - the request that orders this transformation

cis - a composite stream which indicates what nut owns the transformed text, null if the nut is not a composition

originalNut - the original nut

Returns:

the nut that was referenced in the matching text, null if the inspector did not perform any change

Throws:

WuicException - if an exception occurs

toString

protected String toString(ConvertibleNut convertibleNut)
                   throws IOException

Converts the given ConvertibleNut to a String representation that is possible to append directly to the referencer. This could be used as an alternative to URL statements.

Specified by:

toString in class LineInspector

Parameters:

convertibleNut - the convertible nut to convert

Returns:

the String representation, null if no inclusion is possible

Throws:

IOException - if the transformation fails

setNutFilter

public void setNutFilter(List<NutFilter> filters)

Sets the filter.

Specified by:

setNutFilter in interface NutFilterHolder

Parameters:

filters - the filters