Package org.ametys.core.minimize.js

Class MinimizeJSManager

java.lang.Object

org.ametys.runtime.plugin.component.AbstractLogEnabled

org.ametys.core.minimize.AbstractMinimizeManager

org.ametys.core.minimize.js.MinimizeJSManager

All Implemented Interfaces:

LogEnabled, Component, Serviceable

public class MinimizeJSManager
extends AbstractMinimizeManager
implements Component

Manager for JS minimization and source map generation

Field Summary

Fields

Modifier and Type	Field	Description
private static Pattern	__SOURCEMAP_FILE_NAME
private static Pattern	__SOURCEMAP_LINE
static String	ROLE	The avalon ROLE

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

_proxiedContextPathProvider, _resolver, _sourceMapCache

Constructor Summary

Constructors

Constructor	Description
MinimizeJSManager()

Method Summary

Modifier and Type	Method	Description
private com.google.javascript.jscomp.Compiler	_minimizeJS(String code, String fileName, boolean withSourceMap)
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	formatSourceMappingURL(String sourceMapName)	Format a source mapping URL to be added at the end of a minimized file
String	generateJSSourceMap(String code, String location, String sourceMapKey, Long lastModified)	Minimize a JS string and return the source map
protected String	getMinimizedContent(String uri, String nestedParentFilesName)	Get the minimized content at the specified URI
protected String	getSourceMappingURL(String line)	Get the source mapping URL value from the line
protected boolean	isSourceMappingURLLine(String line)	Test if the line contains a source mapping URL
String	minimizeJS(String code, String location)	Minimize a JS string
String	minimizeJS(String code, String location, String sourceMapKey, Long lastModified)	Minimize a JS string
protected String	removeSourceMappingURLLine(String content)	Remove the source mapping url from the content

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

applyMediaToContent, convertSourceMapURIs, minimizeAndAggregateURIs, service, 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

__SOURCEMAP_FILE_NAME

private static final Pattern __SOURCEMAP_FILE_NAME

__SOURCEMAP_LINE

private static final Pattern __SOURCEMAP_LINE

Constructor Detail

MinimizeJSManager

public MinimizeJSManager()

Method Detail

minimizeJS

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

Minimize a JS string

Parameters:

code - The JS code

location - The JS location

Returns:

The minimized JS

Throws:

ProcessingException - If an error occurred during minimization

IOException - If an error occurred while retrieving the source map

minimizeJS

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

Minimize a JS string

Parameters:

code - The JS code

location - The JS location

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 JS

Throws:

ProcessingException - If an error occurred during minimization

IOException - If an error occurred while retrieving the source map

generateJSSourceMap

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

Minimize a JS string and return the source map

Parameters:

code - The JS code

location - The JS location

sourceMapKey - The key to store the source map in cache

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

Returns:

The minimized JS

Throws:

ProcessingException - If an error occurred during minimization

IOException - If an error occurred while retrieving the source map

_minimizeJS

private com.google.javascript.jscomp.Compiler _minimizeJS(String code,
                                                          String fileName,
                                                          boolean withSourceMap)
                                                   throws ProcessingException

Throws:

ProcessingException

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

getMinimizedContent

protected String getMinimizedContent(String uri,
                                     String nestedParentFilesName)

Description copied from class: AbstractMinimizeManager

Get the minimized content at the specified URI

Specified by:

getMinimizedContent in class AbstractMinimizeManager

Parameters:

uri - 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

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