to CSV Line - Java File Path IO

Java examples for File Path IO:CSV File

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Description

to CSV Line

Demo Code


//package com.java2s;

import java.util.ArrayList;

public class Main {

    public static String toCSVLine(String[] strArray) {
        if (strArray == null) {
            return "";
        }/*  w w w .  j av  a2s .  co m*/
        StringBuffer cvsLine = new StringBuffer();
        for (int idx = 0; idx < strArray.length; idx++) {
            String item = addQuote(strArray[idx]);
            cvsLine.append(item);
            if (strArray.length - 1 != idx) {
                cvsLine.append(',');
            }
        }
        return cvsLine.toString();
    }

    public static String toCSVLine(ArrayList<?> strArrList) {
        if (strArrList == null) {
            return "";
        }
        String[] strArray = new String[strArrList.size()];
        for (int idx = 0; idx < strArrList.size(); idx++) {
            strArray[idx] = (String) strArrList.get(idx);
        }
        return toCSVLine(strArray);
    }

    private static String addQuote(String item) {
        if (item == null || item.length() == 0) {
            return "\"\"";
        }
        StringBuffer sb = new StringBuffer();
        sb.append('"');
        for (int idx = 0; idx < item.length(); idx++) {
            char ch = item.charAt(idx);
            if ('"' == ch) {
                sb.append("\"\"");
            } else {
                sb.append(ch);
            }
        }
        sb.append('"');
        return sb.toString();
    }
}

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