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

`highlightBackground, highlightForeground`

### Constructor Summary

Constructors
Constructor and Description
`SpanGradientFormatter(float maxScore, String minForegroundColor, String maxForegroundColor, String minBackgroundColor, String maxBackgroundColor)`

### Method Summary

Methods
`String` `highlightTerm(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`

### Constructor Detail

#### SpanGradientFormatter

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

### Method Detail

#### highlightTerm

    public String highlightTerm(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.