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java.lang.Objectdatapreparation.stemming.EnglishStemmer
public class EnglishStemmer
Stemmer, implementing the Porter Stemming Algorithm The Stemmer class transforms a word into its root form. The input word can be provided a character at time (by calling add()), or at once by calling one of the various stem(something) methods.
Constructor Summary | |
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EnglishStemmer()
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Method Summary | |
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void |
add(char ch)
Add a character to the word being stemmed. |
void |
add(char[] w,
int wLen)
Adds wLen characters to the word being stemmed contained in a portion of a char[] array. |
char[] |
getResultBuffer()
Returns a reference to a character buffer containing the results of the stemming process. |
int |
getResultLength()
Returns the length of the word resulting from the stemming process. |
void |
stem()
Stem the word placed into the Stemmer buffer through calls to add(). |
java.lang.String |
stem(java.lang.String word)
Method for stemming a word. |
java.lang.String |
toString()
After a word has been stemmed, it can be retrieved by toString(), or a reference to the internal buffer can be retrieved by getResultBuffer and getResultLength (which is generally more efficient.) |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public EnglishStemmer()
Method Detail |
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public void add(char ch)
public void add(char[] w, int wLen)
public java.lang.String toString()
toString
in class java.lang.Object
public int getResultLength()
public char[] getResultBuffer()
public void stem()
public java.lang.String stem(java.lang.String word)
Stemmer
stem
in interface Stemmer
word
- The word
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