Package org.ametys.core.minimize.css

Class MinimizeCSSManager

java.lang.Object

org.ametys.runtime.plugin.component.AbstractLogEnabled

org.ametys.core.minimize.AbstractMinimizeManager

org.ametys.core.minimize.css.MinimizeCSSManager

All Implemented Interfaces:

LogEnabled, Initializable, Component, Serviceable

public class MinimizeCSSManager
extends AbstractMinimizeManager
implements Component, Initializable

Minimize manager for CSS files

Field Summary

Fields

Modifier and Type	Field	Description
private io.bit3.jsass.Compiler	_jsassCompiler
private JSASSResourceURIExtensionPoint	_jsassResourceURIExtensionPoint
static String	ROLE	The avalon ROLE

Fields inherited from class org.ametys.core.minimize.AbstractMinimizeManager

_proxiedContextPathProvider, _resolver, _sourceMapCache

Constructor Summary

Constructors

Constructor	Description
MinimizeCSSManager()

Method Summary

Modifier and Type	Method	Description
private URI	_computeMinimizedUri(String sourceMapUri)
private io.bit3.jsass.Output	_minimizeCss(String cssUri, String nestedParentFilesName, String originalContent, boolean generateSourceMap)
private String	_resolveImportUrl(String content, String nestedParentFilesName)
protected void	addSourceMap(com.google.debugging.sourcemap.SourceMapGeneratorV3 sourceMapGenerator, int lineCount, String fileContent, String fileUri, String sourceMapUri)	Aggregate the source map of the single file with the others
protected String	applyMediaToContent(String content, String media)	Defaut implementation to apply a media to a content.
protected String	formatSourceMappingURL(String sourceMapName)	Format a source mapping URL to be added at the end of a minimized file
protected String	getMinimizedContent(String fileUri, String nestedParentFilesName)	Get the minimized content at the specified URI
protected String	getSourceMappingURL(String line)	Get the source mapping URL value from the line
void	initialize()
protected boolean	isSourceMappingURLLine(String line)	Test if the line contains a source mapping URL
String	minimizeCss(String code, String location)	Minimize a CSS string
String	minimizeCss(String code, String location, String sourceMapKey, Long lastModified)	Minimize a CSS string
protected String	removeSourceMappingURLLine(String content)	Remove the source mapping url from the content
void	service(ServiceManager smanager)

Methods inherited from class org.ametys.core.minimize.AbstractMinimizeManager

convertSourceMapURIs, minimizeAndAggregateURIs, validateAndOutputMinimizedFile

Methods inherited from class org.ametys.runtime.plugin.component.AbstractLogEnabled

getLogger, setLogger

Methods inherited from class java.lang.Object

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

Field Detail

ROLE

public static final String ROLE

The avalon ROLE

_jsassCompiler

private io.bit3.jsass.Compiler _jsassCompiler

_jsassResourceURIExtensionPoint

private JSASSResourceURIExtensionPoint _jsassResourceURIExtensionPoint

Constructor Detail

MinimizeCSSManager

public MinimizeCSSManager()

Method Detail

initialize

public void initialize()
                throws Exception

Specified by:

initialize in interface Initializable

Throws:

Exception

service

public void service(ServiceManager smanager)
             throws ServiceException

Specified by:

service in interface Serviceable

Overrides:

service in class AbstractMinimizeManager

Throws:

ServiceException

minimizeCss

public String minimizeCss(String code,
                          String location)
                   throws ProcessingException,
                          IOException

Minimize a CSS string

Parameters:

code - The CSS code

location - The CSS location, can be null if no location was determined

Returns:

The minimized CSS

Throws:

ProcessingException - If an error occurred during minimization

IOException - If an error occurred while retrieving the source map

minimizeCss

public String minimizeCss(String code,
                          String location,
                          String sourceMapKey,
                          Long lastModified)
                   throws IOException,
                          ProcessingException

Minimize a CSS string

Parameters:

code - The CSS code

location - The CSS location, can be null if no location was determined, in which case no source map will be generated

sourceMapKey - The key to store the source map in cache. Can be null to prevent source map generation

lastModified - The last modified date of the code, used to assert validity of the source map cache. Can be null

Returns:

The minimized CSS

Throws:

ProcessingException - If an error occurred during minimization

IOException - If an error occurred while retrieving the source map

getMinimizedContent

protected String getMinimizedContent(String fileUri,
                                     String nestedParentFilesName)

Description copied from class: AbstractMinimizeManager

Get the minimized content at the specified URI

Specified by:

getMinimizedContent in class AbstractMinimizeManager

Parameters:

fileUri - The uri

nestedParentFilesName - The parents file name, can be an empty string if there are no parents

Returns:

The minimized content of the specified URI

applyMediaToContent

protected String applyMediaToContent(String content,
                                     String media)

Description copied from class: AbstractMinimizeManager

Defaut implementation to apply a media to a content.

Overrides:

applyMediaToContent in class AbstractMinimizeManager

Parameters:

content - The content

media - The media

Returns:

The content with the media

_minimizeCss

private io.bit3.jsass.Output _minimizeCss(String cssUri,
                                          String nestedParentFilesName,
                                          String originalContent,
                                          boolean generateSourceMap)
                                   throws ProcessingException

Throws:

ProcessingException

_computeMinimizedUri

private URI _computeMinimizedUri(String sourceMapUri)
                          throws URISyntaxException

Throws:

URISyntaxException

_resolveImportUrl

private String _resolveImportUrl(String content,
                                 String nestedParentFilesName)
                          throws URISyntaxException

Throws:

URISyntaxException

addSourceMap

protected void addSourceMap(com.google.debugging.sourcemap.SourceMapGeneratorV3 sourceMapGenerator,
                            int lineCount,
                            String fileContent,
                            String fileUri,
                            String sourceMapUri)

Description copied from class: AbstractMinimizeManager

Aggregate the source map of the single file with the others

Specified by:

addSourceMap in class AbstractMinimizeManager

Parameters:

sourceMapGenerator - The aggregator helper

lineCount - The current line count

fileContent - The content of the file

fileUri - The uri of the file

sourceMapUri - The sourceMappingURL found at the end of the file content

isSourceMappingURLLine

protected boolean isSourceMappingURLLine(String line)

Description copied from class: AbstractMinimizeManager

Test if the line contains a source mapping URL

Specified by:

isSourceMappingURLLine in class AbstractMinimizeManager

Parameters:

line - The line

Returns:

True if a source mapping url is found

getSourceMappingURL

protected String getSourceMappingURL(String line)

Description copied from class: AbstractMinimizeManager

Get the source mapping URL value from the line

Specified by:

getSourceMappingURL in class AbstractMinimizeManager

Parameters:

line - The line

Returns:

The source mapping URL

removeSourceMappingURLLine

protected String removeSourceMappingURLLine(String content)

Description copied from class: AbstractMinimizeManager

Remove the source mapping url from the content

Specified by:

removeSourceMappingURLLine in class AbstractMinimizeManager

Parameters:

content - The content

Returns:

The content without the mention of the source mapping URL

formatSourceMappingURL

protected String formatSourceMappingURL(String sourceMapName)

Description copied from class: AbstractMinimizeManager

Format a source mapping URL to be added at the end of a minimized file

Specified by:

formatSourceMappingURL in class AbstractMinimizeManager

Parameters:

sourceMapName - The map name

Returns:

The source mapping URL line