Mailing List Archive

otis 02/02/21 13:41:53

Modified: src/java/org/apache/lucene/analysis PorterStemFilter.java
Log:
- Made the code in the javadoc readable.
- Removed unnecessary import statement.
- Re-indented the whole class.

Revision Changes Path
1.2 +26 -26 jakarta-lucene/src/java/org/apache/lucene/analysis/PorterStemFilter.java

Index: PorterStemFilter.java
===================================================================
RCS file: /home/cvs/jakarta-lucene/src/java/org/apache/lucene/analysis/PorterStemFilter.java,v
retrieving revision 1.1
retrieving revision 1.2
diff -u -r1.1 -r1.2
--- PorterStemFilter.java 18 Sep 2001 16:29:50 -0000 1.1
+++ PorterStemFilter.java 21 Feb 2002 21:41:53 -0000 1.2
@@ -55,44 +55,44 @@
*/

import java.io.IOException;
-import java.util.Hashtable;

-/** Transforms the token stream as per the Porter stemming algorithm.
- Note: the input to the stemming filter must already be in lower case,
+/** Transforms the token stream as per the Porter stemming algorithm.
+ Note: the input to the stemming filter must already be in lower case,
so you will need to use LowerCaseFilter or LowerCaseTokenizer farther
- down the Tokenizer chain in order for this to work properly!
-
- To use this filter with other analyzers, you'll want to write an
- Analyzer class that sets up the TokenStream chain as you want it.
+ down the Tokenizer chain in order for this to work properly!
+ <P>
+ To use this filter with other analyzers, you'll want to write an
+ Analyzer class that sets up the TokenStream chain as you want it.
To use this with LowerCaseTokenizer, for example, you'd write an
analyzer like this:
-
+ <P>
+ <PRE>
class MyAnalyzer extends Analyzer {
public final TokenStream tokenStream(String fieldName, Reader reader) {
return new PorterStemFilter(new LowerCaseTokenizer(reader));
}
- }
-
+ }
+ </PRE>
*/

public final class PorterStemFilter extends TokenFilter {
- private PorterStemmer stemmer;
+ private PorterStemmer stemmer;

- public PorterStemFilter(TokenStream in) {
- stemmer = new PorterStemmer();
- input = in;
- }
+ public PorterStemFilter(TokenStream in) {
+ stemmer = new PorterStemmer();
+ input = in;
+ }

- /** Returns the next input Token, after being stemmed */
- public final Token next() throws IOException {
- Token token = input.next();
- if (token == null)
- return null;
- else {
- String s = stemmer.stem(token.termText);
- if (s != token.termText) // Yes, I mean object reference comparison here
- token.termText = s;
- return token;
+ /** Returns the next input Token, after being stemmed */
+ public final Token next() throws IOException {
+ Token token = input.next();
+ if (token == null)
+ return null;
+ else {
+ String s = stemmer.stem(token.termText);
+ if (s != token.termText) // Yes, I mean object reference comparison here
+ token.termText = s;
+ return token;
+ }
}
- }
}




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