org.cdlib.xtf.textIndexer.tokenizer.Tokenizer.java Source code

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Here is the source code for org.cdlib.xtf.textIndexer.tokenizer.Tokenizer.java

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package org.cdlib.xtf.textIndexer.tokenizer;

/**
 * Copyright 2004 The Apache Software Foundation
 *
 * Licensed 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.
 */

import java.io.Reader;
import java.io.IOException;

import org.apache.lucene.analysis.TokenStream;

/** A Tokenizer is a TokenStream whose input is a Reader.
  <p>
  This is an abstract class.
 */

public abstract class Tokenizer extends TokenStream {
    /** The text source for this Tokenizer. */
    protected Reader input;

    /** Construct a tokenizer with null input. */
    protected Tokenizer() {
    }

    /** Construct a token stream processing the given input. */
    protected Tokenizer(Reader input) {
        this.input = input;
    }

    /** By default, closes the input Reader. */
    public void close() throws IOException {
        input.close();
    }
}