org.broadleafcommerce.common.resource.service

Class YUIJavascriptMinificationServiceImpl

java.lang.Object

org.broadleafcommerce.common.resource.service.YUIJavascriptMinificationServiceImpl

All Implemented Interfaces:

JavascriptMinificationService

@Service(value="blJavascriptMinificationService")
 @ConditionalOnMissingClass(value="com.google.javascript.jscomp.Compiler")
public class YUIJavascriptMinificationServiceImpl
extends Object
implements JavascriptMinificationService

Javascript minification service implemented using the YUICompressor library This will be used for minification if the Google Closure Compiler dependency is not included in the project Properties used by YUICompressor for JS minification

• minify.linebreak - if set to a value other than -1, will enforce a linebreak at that value
  Default: -1
• minify.munge - if true, will replace variable names with shorter versions
  Default: true
• minify.verbose - if true, will display extra logging information to the console
  Default: false
• minify.preserveAllSemiColons - if true, will never remove semi-colons, even if two in a row exist
  Default: true
• minify.disableOptimizations - if true, will disable some micro-optimizations that are performed
  Default: false

Author:

Jay Aisenbrey (cja769)

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	disableOptimizations
protected int	linebreak
protected static org.apache.commons.logging.Log	LOG
protected boolean	munge
protected boolean	preserveAllSemiColons
protected boolean	verbose

Constructor Summary

Constructors

Constructor and Description
YUIJavascriptMinificationServiceImpl()

Method Summary

Modifier and Type	Method and Description
protected org.mozilla.javascript.ErrorReporter	getLogBasedErrorReporter(String filename)
void	minifyJs(String filename, Reader reader, Writer writer) Minifies the file in "reader" and writes the minified version to "writer"

Methods inherited from class java.lang.Object

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

Field Detail

LOG

protected static final org.apache.commons.logging.Log LOG

linebreak

@Value(value="${minify.linebreak}")
protected int linebreak

munge

@Value(value="${minify.munge}")
protected boolean munge

verbose

@Value(value="${minify.verbose}")
protected boolean verbose

preserveAllSemiColons

@Value(value="${minify.preserveAllSemiColons}")
protected boolean preserveAllSemiColons

disableOptimizations

@Value(value="${minify.disableOptimizations}")
protected boolean disableOptimizations

Constructor Detail

YUIJavascriptMinificationServiceImpl

public YUIJavascriptMinificationServiceImpl()

Method Detail

minifyJs

public void minifyJs(String filename,
                     Reader reader,
                     Writer writer)
              throws ResourceMinificationException

Description copied from interface: JavascriptMinificationService

Minifies the file in "reader" and writes the minified version to "writer"

Specified by:

minifyJs in interface JavascriptMinificationService

Parameters:

filename - Name of the file to be minified

reader - The original file

writer - The writer that the minified version of the file in "reader" will be written to

Throws:

ResourceMinificationException - Failure to successfully minify the bytes in "reader"

getLogBasedErrorReporter

protected org.mozilla.javascript.ErrorReporter getLogBasedErrorReporter(String filename)