public final class PatternReplaceFilter
extends org.apache.lucene.analysis.TokenFilter
Note: Depending on the input and the pattern used and the input TokenStream, this TokenFilter may produce Tokens whose text is the empty string.
Pattern
Constructor and Description |
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PatternReplaceFilter(org.apache.lucene.analysis.TokenStream in,
Pattern p,
String replacement,
boolean all)
Constructs an instance to replace either the first, or all occurances
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Modifier and Type | Method and Description |
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boolean |
incrementToken() |
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, restoreState, toString
public PatternReplaceFilter(org.apache.lucene.analysis.TokenStream in, Pattern p, String replacement, boolean all)
in
- the TokenStream to processp
- the patterm to apply to each Tokenreplacement
- the "replacement string" to substitute, if null a
blank string will be used. Note that this is not the literal
string that will be used, '$' and '\' have special meaning.all
- if true, all matches will be replaced otherwise just the first match.Matcher.quoteReplacement(java.lang.String)
public boolean incrementToken() throws IOException
incrementToken
in class org.apache.lucene.analysis.TokenStream
IOException