Java CSV File Parse csvSplitLine(String line, char fieldSeparator)

Description

Basic CSV line splitting that takes quotes into account.

License

Open Source License

Declaration

public static String[] csvSplitLine(String line, char fieldSeparator) 

Method Source Code

//package com.java2s;

import java.util.*;

public class Main {
    /**/*from w  w  w  .  j  a va  2 s.c  om*/
     * Basic CSV line splitting that takes quotes into account.
     * Doesn't do any error checking, e.g., mis-matched quotes.
     */
    public static String[] csvSplitLine(String line, char fieldSeparator) {
        LinkedList<String> fields = new LinkedList<String>();
        boolean inQuote = false; // whether inside a quotation
        String field = "";
        for (int i = 0; i < line.length(); i++) {
            if (line.charAt(i) == '\"') {
                if (inQuote && i + 1 != line.length()
                        && line.charAt(i + 1) == '\"') {
                    field += '\"';
                    i++; // skip over quote escape
                } else {
                    inQuote = !inQuote;
                }
            } else if (!inQuote && line.charAt(i) == fieldSeparator) {
                fields.add(field);
                field = "";
            } else {
                field += line.charAt(i);
            }
        }
        fields.add(field); // after last ','

        return fields.toArray(new String[0]);
    }
}

Related

1. csvLineParse(String line, char delimiter)
2. parse(final String csvString)
3. parseCsv(InputStream csvInput)
4. parseCsv(InputStream fileStream)
5. parseCSV(String csv)