Java Utililty Methods FileWriter Write

List of utility methods to do FileWriter Write

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Description

The list of methods to do FileWriter Write are organized into topic(s).

Method

voidsaveContent(String context, String filename)
save Content 
File file = new File(filename);
if (!file.exists()) {
    try {
        file.createNewFile();
    } catch (IOException e1) {
        e1.printStackTrace();
try {
    FileWriter writer = new FileWriter(file, true);
    writer.append(context);
    writer.flush();
} catch (IOException e) {
    e.printStackTrace();
voidsaveData(Map> data, File file)
Saves the dataset. 
BufferedWriter bw = new BufferedWriter(new FileWriter(file));
for (Entry<String, List<double[]>> classEntry : data.entrySet()) {
    String classLabel = classEntry.getKey();
    for (double[] arr : classEntry.getValue()) {
        String arrStr = Arrays.toString(arr).replaceAll("[\\]\\[\\s]+", "");
        bw.write(classLabel + "," + arrStr + CR);
bw.close();
voidsaveData(Map> data, String file)
save Data 
try {
    File f = new File(file);
    if (!f.exists()) {
        f.createNewFile();
    FileWriter fw = new FileWriter(f.getAbsoluteFile());
    BufferedWriter bw = new BufferedWriter(fw);
    bw.newLine();
...
voidsaveData(String fileName, double totalTime, int[] resultSubset)
save Data 
FileWriter fw = null;
fw = new FileWriter(fileName);
String str1 = "totalTime is:" + totalTime + "\n";
String str2 = "resultSubset: " + "\n";
fw.write(str1);
fw.write(str2);
String str = "";
for (int i = 0; i < resultSubset.length; i++) {
...
voidsaveDictionary(String fileName, Map values)
save Dictionary 
final BufferedWriter writer = new BufferedWriter(new FileWriter(fileName));
values.entrySet().forEach(p -> {
    try {
        writer.write(p.toString());
        writer.newLine();
    } catch (IOException e) {
        e.printStackTrace();
});
writer.flush();
writer.close();
FilesaveDotGraph(final String dotGraph, final File outputDirectory)
Save the specified Graphviz's dot file at the top of the specified project. 
File returnValue;
FileWriter fileWriter;
returnValue = new File(outputDirectory, "schemas.dot");
fileWriter = new FileWriter(returnValue, false);
fileWriter.write(dotGraph);
fileWriter.close();
return returnValue;
voidsaveDoubleArray2File(Double[] doubleArray, String fileName)
create a new file and save the doubleArray to the fileName 
FileWriter fw = null;
fw = new FileWriter(fileName);
String str = "";
for (int i = 0; i < doubleArray.length; i++) {
    str = str + doubleArray[i];
    str = str + "\n";
fw.write(str);
...
voidsaveDoubleArray2FileAppend(Double[] doubleArray, String fileName)
save doubleArray to fileName, if the file exists, we just append the double array to the file 
FileWriter fw = null;
fw = new FileWriter(fileName, true);
String str = "";
for (int i = 0; i < doubleArray.length; i++) {
    str = str + doubleArray[i];
    str = str + "\n";
fw.write(str);
...
voidsaveEasyQuestImpl(final String quest, final File targetFile)
save Easy Quest Impl 
final File backupFile = new File(targetFile.getAbsolutePath() + ".bak"); 
FileWriter fw = null;
try {
    if (backupFile.exists()) {
        backupFile.delete();
    if (targetFile.exists()) {
        targetFile.renameTo(backupFile);
...
voidsaveFile(File directory, String fileName, String content)
This method save the String content in a file which name is fileName . 
BufferedWriter output;
FileWriter file = new FileWriter(directory.getAbsolutePath() + File.separator + fileName);
output = new BufferedWriter(file);
output.write(content);
output.close();