/**
* Set the params (analyzerName only), Comma-separate list of Analyzer class names. If the
* Analyzer lives in org.apache.lucene.analysis, the name can be shortened by dropping the o.a.l.a
* part of the Fully Qualified Class Name.
*
* <p>Analyzer names may also refer to previously defined AnalyzerFactory's.
*
* <p>Example Declaration: {"NewAnalyzer" NewAnalyzer(WhitespaceAnalyzer, SimpleAnalyzer,
* StopAnalyzer, standard.StandardAnalyzer) >
*
* <p>Example AnalyzerFactory usage:
*
* <pre>
* -AnalyzerFactory(name:'whitespace tokenized',WhitespaceTokenizer)
* -NewAnalyzer('whitespace tokenized')
* </pre>
*
* @param params analyzerClassName, or empty for the StandardAnalyzer
*/
@Override
public void setParams(String params) {
super.setParams(params);
final StreamTokenizer stok = new StreamTokenizer(new StringReader(params));
stok.quoteChar('"');
stok.quoteChar('\'');
stok.eolIsSignificant(false);
stok.ordinaryChar(',');
try {
while (stok.nextToken() != StreamTokenizer.TT_EOF) {
switch (stok.ttype) {
case ',':
{
// Do nothing
break;
}
case '\'':
case '\"':
case StreamTokenizer.TT_WORD:
{
analyzerNames.add(stok.sval);
break;
}
default:
{
throw new RuntimeException("Unexpected token: " + stok.toString());
}
}
}
} catch (RuntimeException e) {
if (e.getMessage().startsWith("Line #")) {
throw e;
} else {
throw new RuntimeException("Line #" + (stok.lineno() + getAlgLineNum()) + ": ", e);
}
} catch (Throwable t) {
throw new RuntimeException("Line #" + (stok.lineno() + getAlgLineNum()) + ": ", t);
}
}