Package com.googlecode.htmlcompressor.compressor

Class YuiJavaScriptCompressor

java.lang.Object
com.googlecode.htmlcompressor.compressor.YuiJavaScriptCompressor
All Implemented Interfaces:
Compressor
public class YuiJavaScriptCompressor extends Object implements Compressor
Basic JavaScript compressor implementation using Yahoo YUI Compressor that could be used by HtmlCompressor for inline JavaScript compression.
Author:
Sergiy Kovalchuk
See Also:

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Class
    Description
    static class 
    YuiJavaScriptCompressor.DefaultErrorReporter
    Default ErrorReporter implementation that uses System.err stream for error reporting.

  • Constructor Summary

    Constructors
    Constructor
    Description
    YuiJavaScriptCompressor()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    String
    compress(String source)
    The main method that compresses the given source and returns a compressed result.
    org.mozilla.javascript.ErrorReporter
    getErrorReporter()
    Returns ErrorReporter used by YUI Compressor to log error messages during JavasSript compression.
    int
    getLineBreak()
    Returns number of symbols per line Yahoo YUI Compressor will use during JavaScript compression.
    boolean
    isDisableOptimizations()
    Returns true if Yahoo YUI Compressor will disable all the built-in micro optimizations during JavaScript compression.
    boolean
    isNoMunge()
    Returns true if Yahoo YUI Compressor will only minify javascript without obfuscating local symbols.
    boolean
    isPreserveAllSemiColons()
    Returns true if Yahoo YUI Compressor will preserve unnecessary semicolons during JavaScript compression.
    void
    setDisableOptimizations(boolean disableOptimizations)
    Tells Yahoo YUI Compressor to disable all the built-in micro optimizations during JavaScript compression.
    void
    setErrorReporter(org.mozilla.javascript.ErrorReporter errorReporter)
    Sets ErrorReporter that YUI Compressor will use for reporting errors during JavaScript compression.
    void
    setLineBreak(int lineBreak)
    Tells Yahoo YUI Compressor to break lines after the specified number of symbols during JavaScript compression.
    void
    setNoMunge(boolean noMunge)
    Tells Yahoo YUI Compressor to only minify javascript without obfuscating local symbols.
    void
    setPreserveAllSemiColons(boolean preserveAllSemiColons)
    Tells Yahoo YUI Compressor to preserve unnecessary semicolons during JavaScript compression.

    Methods inherited from class java.lang.Object

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

  • Constructor Details

    • YuiJavaScriptCompressor

      public YuiJavaScriptCompressor()

  • Method Details

    • compress

      public String compress(String source)
      Description copied from interface: Compressor
      The main method that compresses the given source and returns a compressed result.
      Specified by:
      compress in interface Compressor
      Parameters:
      source - The source to compress.
      Returns:
      Compressed result.

    • isNoMunge

      public boolean isNoMunge()
      Returns true if Yahoo YUI Compressor will only minify javascript without obfuscating local symbols. This corresponds to --nomunge command line option.
      Returns:
      nomunge parameter value used for JavaScript compression.
      See Also:

    • setNoMunge

      public void setNoMunge(boolean noMunge)
      Tells Yahoo YUI Compressor to only minify javascript without obfuscating local symbols. This corresponds to --nomunge command line option. This option has effect only if JavaScript compression is enabled. Default is false.
      Parameters:
      noMunge - set true to enable nomunge mode
      See Also:

    • isPreserveAllSemiColons

      public boolean isPreserveAllSemiColons()
      Returns true if Yahoo YUI Compressor will preserve unnecessary semicolons during JavaScript compression. This corresponds to --preserve-semi command line option.
      Returns:
      preserve-semi parameter value used for JavaScript compression.
      See Also:

    • setPreserveAllSemiColons

      public void setPreserveAllSemiColons(boolean preserveAllSemiColons)
      Tells Yahoo YUI Compressor to preserve unnecessary semicolons during JavaScript compression. This corresponds to --preserve-semi command line option. This option has effect only if JavaScript compression is enabled. Default is false.
      Parameters:
      preserveAllSemiColons - set true to enable preserve-semi mode
      See Also:

    • isDisableOptimizations

      public boolean isDisableOptimizations()
      Returns true if Yahoo YUI Compressor will disable all the built-in micro optimizations during JavaScript compression. This corresponds to --disable-optimizations command line option.
      Returns:
      disable-optimizations parameter value used for JavaScript compression.
      See Also:

    • setDisableOptimizations

      public void setDisableOptimizations(boolean disableOptimizations)
      Tells Yahoo YUI Compressor to disable all the built-in micro optimizations during JavaScript compression. This corresponds to --disable-optimizations command line option. This option has effect only if JavaScript compression is enabled. Default is false.
      Parameters:
      disableOptimizations - set true to enable disable-optimizations mode
      See Also:

    • getLineBreak

      public int getLineBreak()
      Returns number of symbols per line Yahoo YUI Compressor will use during JavaScript compression. This corresponds to --line-break command line option.
      Returns:
      line-break parameter value used for JavaScript compression.
      See Also:

    • setLineBreak

      public void setLineBreak(int lineBreak)
      Tells Yahoo YUI Compressor to break lines after the specified number of symbols during JavaScript compression. This corresponds to --line-break command line option. This option has effect only if JavaScript compression is enabled. Default is -1 to disable line breaks.
      Parameters:
      lineBreak - set number of symbols per line
      See Also:

    • getErrorReporter

      public org.mozilla.javascript.ErrorReporter getErrorReporter()
      Returns ErrorReporter used by YUI Compressor to log error messages during JavasSript compression.
      Returns:
      ErrorReporter used by YUI Compressor to log error messages during JavasSript compression
      See Also:

    • setErrorReporter

      public void setErrorReporter(org.mozilla.javascript.ErrorReporter errorReporter)
      Sets ErrorReporter that YUI Compressor will use for reporting errors during JavaScript compression. If no ErrorReporter was provided YuiJavaScriptCompressor.DefaultErrorReporter will be used which reports errors to System.err stream.
      Parameters:
      errorReporter - ErrorReporter that will be used by YUI Compressor
      See Also: