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

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Here is the source code for com.github.xbn.examples.regexutil.non_xbn.BetweenLineMarkersButSkipFirstXmpl.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.util.ArrayList;
import java.io.File;
import java.io.IOException;
import org.apache.commons.io.FileUtils;

/**
   <p>Read in a file, accepting all lines between two markers, ignoring the first line.</p>
    
   <p>{@code java com.github.xbn.examples.regexutil.non_xbn.BetweenLineMarkersButSkipFirstXmpl xbnjava\xbn\examples\text\regex\BetweenLineMarkersButSkipFirstXmpl_data.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 BetweenLineMarkersButSkipFirstXmpl {
    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);
        }

        String LINE_SEP = System.getProperty("line.separator", "\n");

        ArrayList<String> alsItems = new ArrayList<String>();
        boolean bStartMark = false;
        boolean bLine1Skipped = false;
        StringBuilder sdCurrentItem = new StringBuilder();
        while (lineItr.hasNext()) {
            String sLine = lineItr.next().trim();
            if (!bStartMark) {
                if (sLine.startsWith(".START_SEQUENCE")) {
                    bStartMark = true;
                    continue;
                }
                throw new IllegalStateException("Start mark not found.");
            }
            if (!bLine1Skipped) {
                bLine1Skipped = true;
                continue;
            } else if (!sLine.equals(".END_SEQUENCE")) {
                sdCurrentItem.append(sLine).append(LINE_SEP);
            } else {
                alsItems.add(sdCurrentItem.toString());
                sdCurrentItem.setLength(0);
                bStartMark = false;
                bLine1Skipped = false;
                continue;
            }
        }

        for (String s : alsItems) {
            System.out.println("----------");
            System.out.print(s);
        }
    }
}