com.talis.lucene.analysis.Utils.java Source code

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Here is the source code for com.talis.lucene.analysis.Utils.java

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/*
 *    Copyright 2011 Talis Systems Ltd
 * 
 *    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.
 */

package com.talis.lucene.analysis;

import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertNotNull;
import static junit.framework.Assert.assertNull;

import java.io.IOException;
import java.io.StringReader;

import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.Token;
import org.apache.lucene.analysis.TokenStream;

public class Utils {

    public static void assertAnalyzesTo(Analyzer a, String input, String... expected) throws IOException {
        TokenStream ts = a.tokenStream("dummy", new StringReader(input));
        for (int i = 0; i < expected.length; i++) {
            Token t = ts.next();
            assertNotNull(t);
            assertEquals(expected[i], t.termText());
        }
        assertNull(ts.next());
        ts.close();
    }

    public static void assertStopWord(Analyzer a, String input) throws IOException {
        TokenStream ts = a.tokenStream("dummy", new StringReader(input));
        assertNull(ts.next());
        ts.close();
    }

}