Java Utililty Methods CSV File Parse

List of utility methods to do CSV File Parse

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Description

The list of methods to do CSV File Parse are organized into topic(s).

Method

ListcsvLineParse(String line, char delimiter)
csv Line Parse 
List<String> strings = new ArrayList<String>();
boolean inQuotes = false;
StringBuilder field = new StringBuilder();
for (int walk = 0; walk < line.length(); walk++) {
    char ch = line.charAt(walk);
    if (ch == delimiter) {
        if (inQuotes) {
            field.append(ch);
...
String[]csvSplitLine(String line, char fieldSeparator)
Basic CSV line splitting that takes quotes into account. 
LinkedList<String> fields = new LinkedList<String>();
boolean inQuote = false; 
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++; 
...
Listparse(final String csvString)
Splits the csv string. 
return parse(csvString, ",", true);
List>parseCsv(InputStream csvInput)
CSV content parser. 
return parseCsv(csvInput, DEFAULT_CSV_SEPARATOR);
ListparseCsv(InputStream fileStream)
parse Csv 
BufferedReader reader = new BufferedReader(new InputStreamReader(fileStream));
List<Integer[]> allCodes = new ArrayList<Integer[]>();
String line;
while ((line = reader.readLine()) != null)
    allCodes.add(parseCsvLine(line));
return allCodes;
ListparseCSV(String csv)
Parses a CSV string into a list of strings, removing spaces and empty strings 
String[] vals = csv.split(",");
List<String> strs = new ArrayList<String>();
for (String val : vals) {
    String v = val.trim();
    if (v.length() > 0)
        strs.add(v);
return strs;
...
String[]parseCSV(String csv)
parse CSV 
List<String> vals = new ArrayList<String>();
boolean quoted = false;
StringBuffer val = new StringBuffer();
for (int i = 0; i < csv.length(); i++) {
    char c = csv.charAt(i);
    if (c == '\"') {
        if (quoted) {
            quoted = false;
...
String[][]parseCSV(String csvString)

Parses a given multi-line CSV-formated string to a String matrix. 

if (isEmptyString(csvString)) {
    return new String[0][];
char c = '0';
boolean valueStarted = false;
boolean stringValueStarted = false;
char[] csvArray = csvString.toCharArray();
Vector lines = new Vector();
...
String[]parseCSV(String data, char... ch)
Method to parse character separated values, generic version of comma separated values Supports escape Character 
List<String> values = new ArrayList<String>();
char seperator = ((null == ch) || (ch.length < 1) || (ch[0] == NULL)) ? ',' : ch[0];
char escapeChar = ((null == ch) || (ch.length < 2) || (ch[1] == NULL)) ? '\\' : ch[1];
StringBuilder sb = new StringBuilder();
for (int i = 0; i < data.length(); ++i) {
    char c = data.charAt(i);
    if (c == seperator) {
        values.add(sb.toString());
...
ArrayListparseCsvFile(String filename, String csvSplitBy, boolean skipHeader)
parse Csv File 
ArrayList<Float> parsedCsvFile = new ArrayList<>();
parsedCsvFile.add(-1.0f);
try {
    BufferedReader br = new BufferedReader(new FileReader(filename));
    try {
        if (skipHeader)
            br.readLine();
        String line;
...