Package com.fizzed.rocker.processor

Class WhitespaceRemovalProcessor

java.lang.Object

com.fizzed.rocker.processor.WhitespaceRemovalProcessor

All Implemented Interfaces:

TemplateModelPostProcessor

public class WhitespaceRemovalProcessor
extends Object
implements TemplateModelPostProcessor

This post-processor reduces the amount of whitespace in static strings.

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	IN_LINE	For whitespace removals: matching more than one horizontal whitespace in a single line.
private static final String	LINE_END	For whitespace removals: matching one or more new-lines after horizontal spaces (e.g.
private static final String	LINE_START	For whitespace removals: matching one or more horizontal space (e.g.

Constructor Summary

Constructors

Constructor	Description
WhitespaceRemovalProcessor()

Method Summary

Modifier and Type	Method	Description
TemplateModel	process(TemplateModel templateModel, int ppIndex)	Performs any post-processing on the given TemplateModel as defined by the implementing class.
private String	reduceWhitespace(String text)	Replace a given string with a whitespace-reduced variant of itself.

Methods inherited from class java.lang.Object

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

Field Details

LINE_END

private static final String LINE_END

For whitespace removals: matching one or more new-lines after horizontal spaces (e.g. space, tab), i.e. at the end of a line. Will be replaced by a single \n.

See Also:

• Constant Field Values

IN_LINE

private static final String IN_LINE

For whitespace removals: matching more than one horizontal whitespace in a single line. Will be replaced by a single space.

See Also:

• Constant Field Values

LINE_START

private static final String LINE_START

For whitespace removals: matching one or more horizontal space (e.g. space, tab) after one or more new-lines (i.e. at the beginning of a line). Will be replaced by a single new line.

See Also:

• Constant Field Values

Constructor Details

WhitespaceRemovalProcessor

public WhitespaceRemovalProcessor()

Method Details

process

public TemplateModel process(TemplateModel templateModel,
 int ppIndex)
                      throws PostProcessorException

Description copied from interface: TemplateModelPostProcessor

Performs any post-processing on the given TemplateModel as defined by the implementing class. Only the returned instance shall be used further by the caller. Implementing classes may choose to return the provided instance, or create a completely new instance for further processing.

Specified by:

process in interface TemplateModelPostProcessor

Parameters:

templateModel - the original template model (which might have already been processed by previous TemplateModelPostProcessors.

ppIndex - the index (starting from 0) of the post-processor as it appears in the list of given post-processor class names.

Returns:

the resulting TemplateModel which shall be used for further processing by following post-processors, or finally by the JavaGenerator.

Throws:

PostProcessorException

See Also:

• TemplateModelPostProcessor.process(com.fizzed.rocker.model.TemplateModel, int)

reduceWhitespace

private String reduceWhitespace(String text)

Replace a given string with a whitespace-reduced variant of itself.

Parameters:

text - original string with whitespaces.

Returns:

the string with multiple occurences of whitespaces reduced to single occurences.