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java.lang.Objectorg.apache.lucene.analysis.Analyzer
org.apache.lucene.analysis.cz.CzechAnalyzer
public final class CzechAnalyzer
Analyzer
for Czech language.
Supports an external list of stopwords (words that will not be indexed at all). A default set of stopwords is used unless an alternative list is specified.
NOTE: This class uses the same Version
dependent settings as StandardAnalyzer
.
Field Summary | |
---|---|
static java.lang.String[] |
CZECH_STOP_WORDS
List of typical stopwords. |
Fields inherited from class org.apache.lucene.analysis.Analyzer |
---|
overridesTokenStreamMethod |
Constructor Summary | |
---|---|
CzechAnalyzer()
Deprecated. Use CzechAnalyzer(Version) instead |
|
CzechAnalyzer(java.io.File stopwords)
Deprecated. Use CzechAnalyzer(Version, File) instead |
|
CzechAnalyzer(java.util.HashSet stopwords)
Deprecated. Use CzechAnalyzer(Version, HashSet) instead |
|
CzechAnalyzer(java.lang.String[] stopwords)
Deprecated. Use CzechAnalyzer(Version, String[]) instead |
|
CzechAnalyzer(org.apache.lucene.util.Version matchVersion)
Builds an analyzer with the default stop words ( CZECH_STOP_WORDS ). |
|
CzechAnalyzer(org.apache.lucene.util.Version matchVersion,
java.io.File stopwords)
Builds an analyzer with the given stop words. |
|
CzechAnalyzer(org.apache.lucene.util.Version matchVersion,
java.util.HashSet stopwords)
|
|
CzechAnalyzer(org.apache.lucene.util.Version matchVersion,
java.lang.String[] stopwords)
Builds an analyzer with the given stop words. |
Method Summary | |
---|---|
void |
loadStopWords(java.io.InputStream wordfile,
java.lang.String encoding)
Loads stopwords hash from resource stream (file, database...). |
org.apache.lucene.analysis.TokenStream |
reusableTokenStream(java.lang.String fieldName,
java.io.Reader reader)
Returns a (possibly reused) TokenStream which tokenizes all the text in
the provided Reader . |
org.apache.lucene.analysis.TokenStream |
tokenStream(java.lang.String fieldName,
java.io.Reader reader)
Creates a TokenStream which tokenizes all the text in the provided Reader . |
Methods inherited from class org.apache.lucene.analysis.Analyzer |
---|
close, getOffsetGap, getPositionIncrementGap, getPreviousTokenStream, setOverridesTokenStreamMethod, setPreviousTokenStream |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
public static final java.lang.String[] CZECH_STOP_WORDS
Constructor Detail |
---|
public CzechAnalyzer()
CzechAnalyzer(Version)
instead
CZECH_STOP_WORDS
).
public CzechAnalyzer(org.apache.lucene.util.Version matchVersion)
CZECH_STOP_WORDS
).
public CzechAnalyzer(java.lang.String[] stopwords)
CzechAnalyzer(Version, String[])
instead
public CzechAnalyzer(org.apache.lucene.util.Version matchVersion, java.lang.String[] stopwords)
public CzechAnalyzer(java.util.HashSet stopwords)
CzechAnalyzer(Version, HashSet)
instead
public CzechAnalyzer(org.apache.lucene.util.Version matchVersion, java.util.HashSet stopwords)
public CzechAnalyzer(java.io.File stopwords) throws java.io.IOException
CzechAnalyzer(Version, File)
instead
java.io.IOException
public CzechAnalyzer(org.apache.lucene.util.Version matchVersion, java.io.File stopwords) throws java.io.IOException
java.io.IOException
Method Detail |
---|
public void loadStopWords(java.io.InputStream wordfile, java.lang.String encoding)
wordfile
- File containing the wordlistencoding
- Encoding used (win-1250, iso-8859-2, ...), null for default system encodingpublic final org.apache.lucene.analysis.TokenStream tokenStream(java.lang.String fieldName, java.io.Reader reader)
TokenStream
which tokenizes all the text in the provided Reader
.
tokenStream
in class org.apache.lucene.analysis.Analyzer
TokenStream
built from a StandardTokenizer
filtered with
StandardFilter
, LowerCaseFilter
, and StopFilter
public org.apache.lucene.analysis.TokenStream reusableTokenStream(java.lang.String fieldName, java.io.Reader reader) throws java.io.IOException
TokenStream
which tokenizes all the text in
the provided Reader
.
reusableTokenStream
in class org.apache.lucene.analysis.Analyzer
TokenStream
built from a StandardTokenizer
filtered with
StandardFilter
, LowerCaseFilter
, and StopFilter
java.io.IOException
|
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