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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
namespace Lucene.Net.Analysis
{
/// <summary>An Analyzer that uses <see cref="WhitespaceTokenizer" />. </summary>
public sealed class WhitespaceAnalyzer:Analyzer
{
public override TokenStream TokenStream(System.String fieldName, System.IO.TextReader reader)
{
return new WhitespaceTokenizer(reader);
}
public override TokenStream ReusableTokenStream(System.String fieldName, System.IO.TextReader reader)
{
var tokenizer = (Tokenizer) PreviousTokenStream;
if (tokenizer == null)
{
tokenizer = new WhitespaceTokenizer(reader);
PreviousTokenStream = tokenizer;
}
else
tokenizer.Reset(reader);
return tokenizer;
}
}
}
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