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java.lang.Objectorg.apache.lucene.util.AttributeSource
org.apache.lucene.analysis.TokenStream
org.apache.lucene.analysis.TokenFilter
org.apache.solr.analysis.PatternReplaceFilter
public final class PatternReplaceFilter
A TokenFilter which applies a Pattern to each token in the stream, replacing match occurances with the specified replacement string.
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| Nested Class Summary |
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| Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource |
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org.apache.lucene.util.AttributeSource.AttributeFactory, org.apache.lucene.util.AttributeSource.State |
| Field Summary |
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| Fields inherited from class org.apache.lucene.analysis.TokenFilter |
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input |
| Constructor Summary | |
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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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| Method Summary | |
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boolean |
incrementToken()
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| Methods inherited from class org.apache.lucene.analysis.TokenFilter |
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close, end, reset |
| Methods inherited from class org.apache.lucene.util.AttributeSource |
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addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, restoreState, toString |
| Methods inherited from class java.lang.Object |
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clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
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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)| Method Detail |
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public boolean incrementToken()
throws IOException
incrementToken in class org.apache.lucene.analysis.TokenStreamIOException
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