将CSV行转换为字符串数组。

// Copyright (c) 2003-present, Jodd Team (jodd.org). All Rights Reserved.

import java.util.ArrayList;//时代Java 提 供

import java.util.List;


public class Main{

    protected static final char FIELD_SEPARATOR = ',';

    protected static final char FIELD_QUOTE = '"';

    protected static final String DOUBLE_QUOTE = "\"\"";

    /**

     * Converts CSV line to string array.

     */

    public static String[] toStringArray(String line) {

        List<String> row = new ArrayList<String>();


        boolean inQuotedField = false;

        int fieldStart = 0;


        final int len = line.length();

        for (int i = 0; i < len; i++) {

            char c = line.charAt(i);

            if (c == FIELD_SEPARATOR) {

                if (!inQuotedField) { // ignore we are quoting
                /* 
                *来 自
                 n o w j a   v  a . c o m - 时  代  Java
                */

                    addField(row, line, fieldStart, i, inQuotedField);

                    fieldStart = i + 1;

                }

            } else if (c == FIELD_QUOTE) {

                if (inQuotedField) {

                    if (i + 1 == len

                            || line.charAt(i + 1) == FIELD_SEPARATOR) { // we are already quoting - peek to see if this is the end of the field

                        addField(row, line, fieldStart, i, inQuotedField);

                        fieldStart = i + 2;

                        i++; // and skip the comma

                        inQuotedField = false;

                    }

                } else if (fieldStart == i) {

                    inQuotedField = true; // this is a beginning of a quote

                    fieldStart++; // move field start

                }

            }

        }

        // add last field - but only if string was not empty

        if (len > 0 && fieldStart <= len) {

            addField(row, line, fieldStart, len, inQuotedField);

        }

        return row.toArray(new String[