ctrus.pa.bow.term.transformation.ChunkTransformer.java Source code

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Here is the source code for ctrus.pa.bow.term.transformation.ChunkTransformer.java

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/*******************************************************************************
 * Copyright (c) 2015, 2016  Naveen Kulkarni
 *
 * This file is part of Bag of Words program. 
 *
 * 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
 *
 * Contributors:
 *     Naveen Kulkarni (naveen.kulkarni@research.iiit.ac.in)
 *     
 *******************************************************************************/

package ctrus.pa.bow.term.transformation;

import java.util.ArrayList;
import java.util.List;

import org.apache.commons.lang3.StringUtils;

public class ChunkTransformer extends BaseTransformer {

    private List<Character> _chunkChars = new ArrayList<Character>();

    public void addChunckChar(char c) {
        _chunkChars.add(c);
    }

    @Override
    public String transform(String term) {
        String chunckTerms = term;
        for (Character c : _chunkChars) {
            chunckTerms = StringUtils.replaceChars(chunckTerms, c, ' ');
        }
        // Remove multiple spaces with single space before returning
        return chunckTerms.replaceAll("\\s+", " ");
    }

}