org.apache.lucene.search.highlight

Class SpanGradientFormatter

java.lang.Object

org.apache.lucene.search.highlight.GradientFormatter

org.apache.lucene.search.highlight.SpanGradientFormatter

All Implemented Interfaces:

Formatter

public class SpanGradientFormatter
extends GradientFormatter

Formats text with different color intensity depending on the score of the term using the span tag. GradientFormatter uses a bgcolor argument to the font tag which doesn't work in Mozilla, thus this class.

See Also:

GradientFormatter

Field Summary

Fields

Modifier and Type	Field and Description
private static int	EXTRA
private static java.lang.String	TEMPLATE

Fields inherited from class org.apache.lucene.search.highlight.GradientFormatter

bgBMax, bgBMin, bgGMax, bgGMin, bgRMax, bgRMin, fgBMax, fgBMin, fgGMax, fgGMin, fgRMax, fgRMin, highlightBackground, highlightForeground

Constructor Summary

Constructors

Constructor and Description
SpanGradientFormatter(float maxScore, java.lang.String minForegroundColor, java.lang.String maxForegroundColor, java.lang.String minBackgroundColor, java.lang.String maxBackgroundColor)

Method Summary

Modifier and Type	Method and Description
java.lang.String	highlightTerm(java.lang.String originalText, TokenGroup tokenGroup)

Methods inherited from class org.apache.lucene.search.highlight.GradientFormatter

getBackgroundColorString, getForegroundColorString, hexToInt

Methods inherited from class java.lang.Object

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

Field Detail

TEMPLATE

private static final java.lang.String TEMPLATE

See Also:

Constant Field Values

EXTRA

private static final int EXTRA

Constructor Detail

SpanGradientFormatter

public SpanGradientFormatter(float maxScore,
                             java.lang.String minForegroundColor,
                             java.lang.String maxForegroundColor,
                             java.lang.String minBackgroundColor,
                             java.lang.String maxBackgroundColor)

Method Detail

highlightTerm

public java.lang.String highlightTerm(java.lang.String originalText,
                                      TokenGroup tokenGroup)

Specified by:

highlightTerm in interface Formatter

Overrides:

highlightTerm in class GradientFormatter

Parameters:

originalText - The section of text being considered for markup

tokenGroup - contains one or several overlapping Tokens along with their scores and positions.