Java Utililty Methods Object Save

List of utility methods to do Object Save

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Description

The list of methods to do Object Save are organized into topic(s).

Method

voidwriteObjectToFile(File file, Object o)
write Object To File 
ObjectOutputStream oop = new ObjectOutputStream(new FileOutputStream(file));
oop.writeObject(o);
oop.close();
voidwriteObjectToFile(File file, Object obj)
write Object To File 
FileOutputStream fOS = new FileOutputStream(file);
ObjectOutputStream oOS = new ObjectOutputStream(fOS);
oOS.writeObject(obj);
oOS.flush();
oOS.close();
voidwriteObjectToFile(final Object o, final File dir)
Utility function to serialize an object to a file in current checkpoint dir. 
writeObjectToFile(o, null, dir);
FilewriteObjectToFile(Object o, File file, boolean append)
Write an object to a specified File. 
ObjectOutputStream oos = new ObjectOutputStream(
        new BufferedOutputStream(new GZIPOutputStream(new FileOutputStream(file, append))));
oos.writeObject(o);
oos.close();
return file;
FilewriteObjectToFile(Object o, String filename)
Write object to a file with the specified name. 
return writeObjectToFile(o, new File(filename));
FilewriteObjectToFile(Object o, String fileName)
Serialize java object to a file. 
File outFile = new File(fileName);
OutputStream outputStream = new FileOutputStream(outFile);
if (fileName.endsWith(".gz")) {
    outputStream = new GZIPOutputStream(outputStream);
outputStream = new BufferedOutputStream(outputStream);
ObjectOutputStream oos = new ObjectOutputStream(outputStream);
oos.writeObject(o);
...
booleanwriteObjectToFile(Object obj, File f)
Writes a generic object to a file 
try {
    FileOutputStream fout = new FileOutputStream(f);
    ObjectOutputStream oos = new ObjectOutputStream(fout);
    oos.writeObject(obj);
    oos.close();
} catch (Exception e) {
    System.out.println("Error writing Object to file: " + e.getMessage());
    return false;
...
booleanwriteObjectToFile(Object obj, String fileName)
Writes an Object to a file. 
return writeObjectToFile(obj, new File(fileName));
voidwriteObjectToFile(Object obj, String path)
write Object To File 
writeObjectToFile(obj, new File(path));
voidwriteObjectToFile(Object object, File file)
write Object To File 
if (!file.exists()) {
    file.createNewFile();
FileWriter writer = new FileWriter(file);
writer.write(gson.toJson(object));
writer.close();