Class StandardFilter

  extended by org.apache.lucene.util.AttributeSource
      extended by org.apache.lucene.analysis.TokenStream
          extended by org.apache.lucene.analysis.TokenFilter
              extended by org.apache.lucene.analysis.standard.StandardFilter

public final class StandardFilter
extends TokenFilter

Normalizes tokens extracted with StandardTokenizer.

Nested Class Summary
Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeSource
AttributeSource.AttributeFactory, AttributeSource.State
Field Summary
Fields inherited from class org.apache.lucene.analysis.TokenFilter
Constructor Summary
StandardFilter(TokenStream in)
          Construct filtering in.
Method Summary
 boolean incrementToken()
          Returns the next token in the stream, or null at EOS.
Methods inherited from class org.apache.lucene.analysis.TokenFilter
close, end, reset
Methods inherited from class org.apache.lucene.analysis.TokenStream
getOnlyUseNewAPI, next, next, setOnlyUseNewAPI
Methods inherited from class org.apache.lucene.util.AttributeSource
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, restoreState, toString
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail


public StandardFilter(TokenStream in)
Construct filtering in.

Method Detail


public final boolean incrementToken()
                             throws IOException
Returns the next token in the stream, or null at EOS.

Removes 's from the end of words.

Removes dots from acronyms.

incrementToken in class TokenStream
false for end of stream; true otherwise

Note that this method will be defined abstract in Lucene 3.0.


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