public DutchAnalyzer(LuceneVersion matchVersion, CharArraySet stopwords, CharArraySet stemExclusionTable, CharArrayMap <string> stemOverrideDict)
{
this.matchVersion = matchVersion;
this.stoptable = CharArraySet.UnmodifiableSet(CharArraySet.Copy(matchVersion, stopwords));
this.excltable = CharArraySet.UnmodifiableSet(CharArraySet.Copy(matchVersion, stemExclusionTable));
if (stemOverrideDict.Count == 0 || !matchVersion.OnOrAfter(LuceneVersion.LUCENE_31))
{
this.stemdict = null;
this.origStemdict = CharArrayMap <string> .UnmodifiableMap(CharArrayMap <string> .Copy(matchVersion, stemOverrideDict));
}
else
{
this.origStemdict = null;
// we don't need to ignore case here since we lowercase in this analyzer anyway
StemmerOverrideFilter.Builder builder = new StemmerOverrideFilter.Builder(false);
CharArrayMap <string> .EntryIterator iter = (CharArrayMap <string> .EntryIterator)stemOverrideDict.EntrySet().GetEnumerator();
CharsRef spare = new CharsRef();
while (iter.HasNext())
{
char[] nextKey = iter.NextKey();
spare.CopyChars(nextKey, 0, nextKey.Length);
builder.Add(new string(spare.Chars), iter.CurrentValue());
}
try
{
this.stemdict = builder.Build();
}
catch (IOException ex)
{
throw new Exception("can not build stem dict", ex);
}
}
}
