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https://issues.apache.org/jira/browse/OPENNLP-1177?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16316276#comment-16316276
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ASF GitHub Bot commented on OPENNLP-1177:
-----------------------------------------
jzonthemtn closed pull request #301: OPENNLP-1177: Adds way to get Snowball
stemmer by language code.
URL: https://github.com/apache/opennlp/pull/301
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
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diff --git
a/opennlp-tools/src/main/java/opennlp/tools/stemmer/snowball/SnowballStemmer.java
b/opennlp-tools/src/main/java/opennlp/tools/stemmer/snowball/SnowballStemmer.java
index 86ebe8446..31a5837fe 100644
---
a/opennlp-tools/src/main/java/opennlp/tools/stemmer/snowball/SnowballStemmer.java
+++
b/opennlp-tools/src/main/java/opennlp/tools/stemmer/snowball/SnowballStemmer.java
@@ -22,23 +22,42 @@
public class SnowballStemmer implements Stemmer {
public enum ALGORITHM {
- DANISH,
- DUTCH,
- ENGLISH,
- FINNISH,
- FRENCH,
- GERMAN,
- HUNGARIAN,
- IRISH,
- ITALIAN,
- NORWEGIAN,
- PORTER,
- PORTUGUESE,
- ROMANIAN,
- RUSSIAN,
- SPANISH,
- SWEDISH,
- TURKISH
+ DANISH("dan"),
+ DUTCH("nld"),
+ ENGLISH("eng"),
+ FINNISH("fin"),
+ FRENCH("fra"),
+ GERMAN("deu"),
+ HUNGARIAN("hun"),
+ IRISH("gle"),
+ ITALIAN("ita"),
+ NORWEGIAN("nor"),
+ PORTER("porter"),
+ PORTUGUESE("por"),
+ ROMANIAN("ron"),
+ RUSSIAN("rus"),
+ SPANISH("spa"),
+ SWEDISH("swe"),
+ TURKISH("tur");
+
+ private String languageCode;
+
+ private ALGORITHM(String languageCode) {
+ this.languageCode = languageCode;
+ }
+
+ public String getLanguageCode() {
+ return languageCode;
+ }
+
+ public static ALGORITHM getByLanguageCode(String languageCode) {
+ for (ALGORITHM algorithm : ALGORITHM.values()) {
+ if (languageCode.equalsIgnoreCase(algorithm.getLanguageCode())) {
+ return algorithm;
+ }
+ }
+ throw new IllegalArgumentException("No stemmer for language code " +
languageCode);
+ }
}
private final AbstractSnowballStemmer stemmer;
diff --git
a/opennlp-tools/src/test/java/opennlp/tools/stemmer/SnowballStemmerTest.java
b/opennlp-tools/src/test/java/opennlp/tools/stemmer/SnowballStemmerTest.java
index 6396b2f66..b3ce76da1 100644
--- a/opennlp-tools/src/test/java/opennlp/tools/stemmer/SnowballStemmerTest.java
+++ b/opennlp-tools/src/test/java/opennlp/tools/stemmer/SnowballStemmerTest.java
@@ -25,6 +25,12 @@
public class SnowballStemmerTest {
+ @Test
+ public void getLanguageByCode() {
+ Assert.assertEquals(ALGORITHM.ENGLISH,
SnowballStemmer.ALGORITHM.getByLanguageCode("eng"));
+ Assert.assertEquals(ALGORITHM.SPANISH,
SnowballStemmer.ALGORITHM.getByLanguageCode("spa"));
+ }
+
@Test
public void testDanish() {
SnowballStemmer stemmer = new SnowballStemmer(ALGORITHM.DANISH);
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> Add way to get SnowballStemmer implementation by language code
> --------------------------------------------------------------
>
> Key: OPENNLP-1177
> URL: https://issues.apache.org/jira/browse/OPENNLP-1177
> Project: OpenNLP
> Issue Type: Task
> Components: Stemmer
> Reporter: Jeff Zemerick
> Assignee: Jeff Zemerick
> Priority: Minor
>
> The only way to get a Snowball stemmer implementation is using the ALGORITHM
> enum. There is no easy way to get a Snowball stemmer implementation using a
> language code.
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