eu.interedition.collatex.input.WhitespaceTokenizer.java Source code

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Here is the source code for eu.interedition.collatex.input.WhitespaceTokenizer.java

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/**
 * CollateX - a Java library for collating textual sources,
 * for example, to produce an apparatus.
 *
 * Copyright (C) 2010 ESF COST Action "Interedition".
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package eu.interedition.collatex.input;

import com.google.common.base.Function;
import com.google.common.collect.Lists;

import java.util.Arrays;
import java.util.List;

/**
 * A very simplistic tokenizer.
 * 
 * <p>
 * It does not support streaming it does not support trailing whitespace!
 * </p>
 */
public class WhitespaceTokenizer implements Function<String, List<String>> {

    @Override
    public List<String> apply(String input) {
        return Lists.transform(Arrays.asList(input.trim().split("\\s+")), TRIMMER);
    }

    static final Function<String, String> TRIMMER = new Function<String, String>() {
        @Override
        public String apply(String input) {
            return input.trim();
        }
    };
}