com.github.xbn.examples.regexutil.non_xbn.MatchEachWordInEveryLine.java Source code

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Here is the source code for com.github.xbn.examples.regexutil.non_xbn.MatchEachWordInEveryLine.java

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/*license*\
   XBN-Java: Copyright (C) 2014, Jeff Epstein (aliteralmind __DASH__ github __AT__ yahoo __DOT__ com)
    
   This software is dual-licensed under the:
   - Lesser General Public License (LGPL) version 3.0 or, at your option, any later version;
   - Apache Software License (ASL) version 2.0.
    
   Either license may be applied at your discretion. More information may be found at
   - http://en.wikipedia.org/wiki/Multi-licensing.
    
   The text of both licenses is available in the root directory of this project, under the names "LICENSE_lgpl-3.0.txt" and "LICENSE_asl-2.0.txt". The latest copies may be downloaded at:
   - LGPL 3.0: https://www.gnu.org/licenses/lgpl-3.0.txt
   - ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt
\*license*/
package com.github.xbn.examples.regexutil.non_xbn;

import java.util.Iterator;
import java.io.File;
import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.commons.io.FileUtils;

/**
   <p>Reusing a single matcher object, read in a text file, and match every word in every line.</p>
    
   <p>{@code java com.github.xbn.examples.regexutil.non_xbn.MatchEachWordInEveryLine xbn\examples\text\regex\text_to_word_iterate.txt}</p>
    
 * @since  0.1.0
 * @author  Copyright (C) 2014, Jeff Epstein ({@code aliteralmind __DASH__ github __AT__ yahoo __DOT__ com}), dual-licensed under the LGPL (version 3.0 or later) or the ASL (version 2.0). See source code for details. <a href="http://xbnjava.aliteralmind.com">{@code http://xbnjava.aliteralmind.com}</a>, <a href="https://github.com/aliteralmind/xbnjava">{@code https://github.com/aliteralmind/xbnjava}</a>
 **/
public class MatchEachWordInEveryLine {
    public static final void main(String[] as_1RqdTxtFilePath) {
        Iterator<String> lineItr = null;
        try {
            lineItr = FileUtils.lineIterator(new File(as_1RqdTxtFilePath[0])); //Throws npx if null
        } catch (IOException iox) {
            throw new RuntimeException("Attempting to open \"" + as_1RqdTxtFilePath[0] + "\"", iox);
        } catch (RuntimeException rx) {
            throw new RuntimeException("One required parameter: The path to the text file.", rx);
        }

        //Dummy search string (""), so it can be reused (reset)
        Matcher mWord = Pattern.compile("\\b\\w+\\b").matcher("");
        while (lineItr.hasNext()) {
            String sLine = lineItr.next();
            mWord.reset(sLine);
            while (mWord.find()) {
                System.out.println(mWord.group());
            }
        }

    }
}