[GitHub] [lucene-solr] uschindler commented on a change in pull request #654: LUCENE-8778: Define analyzer SPI names as static final fields and document the names

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uschindler commented on a change in pull request #654: LUCENE-8778: Define analyzer SPI names as static final fields and document the names
URL: https://github.com/apache/lucene-solr/pull/654#discussion_r279932630
 
 

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 File path: lucene/analysis/common/src/java/org/apache/lucene/analysis/util/AnalysisSPILoader.java
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 @@ -83,17 +74,22 @@ public synchronized void reload(ClassLoader classloader) {
     final SPIClassIterator<S> loader = SPIClassIterator.get(clazz, classloader);
     while (loader.hasNext()) {
       final Class<? extends S> service = loader.next();
-      final String clazzName = service.getSimpleName();
       String name = null;
-      for (String suffix : suffixes) {
-        if (clazzName.endsWith(suffix)) {
-          name = clazzName.substring(0, clazzName.length() - suffix.length()).toLowerCase(Locale.ROOT);
-          break;
+      Throwable cause = null;
+      try {
+        // Lookup "NAME" field with appropriate modifiers. Also it must be a String field.
+        final Field field = service.getField("NAME");
+        int modifier = field.getModifiers();
+        if (Modifier.isPublic(modifier) && Modifier.isStatic(modifier) && Modifier.isFinal(modifier) &&
+            field.getType().equals(String.class)) {
+          name = ((String)field.get(null)).toLowerCase(Locale.ROOT);
         }
+      } catch (Throwable e) {
 
 Review comment:
   Please catch only real Exceptions, in this case ReflectiveOperationException.

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