public class PatternReplaceCharFilter
extends org.apache.lucene.analysis.BaseCharFilter
ex1) source="aa bb aa bb", pattern="(aa)\\s+(bb)" replacement="$1#$2"
output="aa#bb aa#bb"
ex2) source="aa123bb", pattern="(aa)\\d+(bb)" replacement="$1 $2"
output="aa bb"
and you want to search bb and highlight it, you will get
highlight snippet="aa1<em>23bb</em>"
Modifier and Type | Field and Description |
---|---|
static int |
DEFAULT_MAX_BLOCK_CHARS
Deprecated.
|
private java.util.regex.Pattern |
pattern |
private java.lang.String |
replacement |
private java.io.Reader |
transformedInput |
Constructor and Description |
---|
PatternReplaceCharFilter(java.util.regex.Pattern pattern,
java.lang.String replacement,
org.apache.lucene.analysis.CharStream in) |
PatternReplaceCharFilter(java.util.regex.Pattern pattern,
java.lang.String replacement,
int maxBlockChars,
java.lang.String blockDelimiter,
org.apache.lucene.analysis.CharStream in)
Deprecated.
|
Modifier and Type | Method and Description |
---|---|
protected int |
correct(int currentOff) |
(package private) java.lang.CharSequence |
processPattern(java.lang.CharSequence input)
Replace pattern in input and mark correction offsets.
|
int |
read(char[] cbuf,
int off,
int len) |
addOffCorrectMap, getLastCumulativeDiff
@Deprecated public static final int DEFAULT_MAX_BLOCK_CHARS
private final java.util.regex.Pattern pattern
private final java.lang.String replacement
private java.io.Reader transformedInput
public PatternReplaceCharFilter(java.util.regex.Pattern pattern, java.lang.String replacement, org.apache.lucene.analysis.CharStream in)
@Deprecated public PatternReplaceCharFilter(java.util.regex.Pattern pattern, java.lang.String replacement, int maxBlockChars, java.lang.String blockDelimiter, org.apache.lucene.analysis.CharStream in)
public int read(char[] cbuf, int off, int len) throws java.io.IOException
read
in class org.apache.lucene.analysis.CharFilter
java.io.IOException
protected int correct(int currentOff)
correct
in class org.apache.lucene.analysis.BaseCharFilter
java.lang.CharSequence processPattern(java.lang.CharSequence input)