org.apache.lucene.analysis.core
Class WhitespaceTokenizer
java.lang.Object
org.apache.lucene.util.AttributeSource
org.apache.lucene.analysis.TokenStream
org.apache.lucene.analysis.Tokenizer
org.apache.lucene.analysis.util.CharTokenizer
org.apache.lucene.analysis.core.WhitespaceTokenizer
- All Implemented Interfaces:
- Closeable
public final class WhitespaceTokenizer
- extends CharTokenizer
A WhitespaceTokenizer is a tokenizer that divides text at whitespace.
Adjacent sequences of non-Whitespace characters form tokens.
You must specify the required Version
compatibility when creating
WhitespaceTokenizer
:
Fields inherited from class org.apache.lucene.analysis.Tokenizer |
input |
Methods inherited from class org.apache.lucene.util.AttributeSource |
addAttribute, addAttributeImpl, captureState, clearAttributes, cloneAttributes, copyTo, equals, getAttribute, getAttributeClassesIterator, getAttributeFactory, getAttributeImplsIterator, hasAttribute, hasAttributes, hashCode, reflectAsString, reflectWith, restoreState |
WhitespaceTokenizer
public WhitespaceTokenizer(Version matchVersion,
Reader in)
- Construct a new WhitespaceTokenizer. * @param matchVersion Lucene version
to match See above
- Parameters:
in
- the input to split up into tokens
WhitespaceTokenizer
public WhitespaceTokenizer(Version matchVersion,
AttributeSource source,
Reader in)
- Construct a new WhitespaceTokenizer using a given
AttributeSource
.
- Parameters:
matchVersion
- Lucene version to match See abovesource
- the attribute source to use for this Tokenizer
in
- the input to split up into tokens
WhitespaceTokenizer
public WhitespaceTokenizer(Version matchVersion,
AttributeSource.AttributeFactory factory,
Reader in)
- Construct a new WhitespaceTokenizer using a given
AttributeSource.AttributeFactory
.
- Parameters:
matchVersion
- Lucene version to match See
abovefactory
- the attribute factory to use for this Tokenizer
in
- the input to split up into tokens
isTokenChar
protected boolean isTokenChar(int c)
- Collects only characters which do not satisfy
Character.isWhitespace(int)
.
- Specified by:
isTokenChar
in class CharTokenizer
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