private static void testSysOut(String fs, String exp, Object... args) {
FileOutputStream fos = null;
FileInputStream fis = null;
try {
PrintStream saveOut = System.out;
fos = new FileOutputStream("testSysOut");
System.setOut(new PrintStream(fos));
System.out.format(Locale.US, fs, args);
fos.close();
fis = new FileInputStream("testSysOut");
byte[] ba = new byte[exp.length()];
int len = fis.read(ba);
String got = new String(ba);
if (len != ba.length) fail(fs, exp, got);
ck(fs, exp, got);
System.setOut(saveOut);
} catch (FileNotFoundException ex) {
fail(fs, ex.getClass());
} catch (IOException ex) {
fail(fs, ex.getClass());
} finally {
try {
if (fos != null) fos.close();
if (fis != null) fis.close();
} catch (IOException ex) {
fail(fs, ex.getClass());
}
}
}
/**
* Load the database from the database file given in "database.json" if the file doesn't exist, it
* gets created here if the file has a database in it already, it is loaded here
*
* @return false if there is an error opening the database
*/
public boolean open() {
try {
System.out.println(dbPath);
File dbFile = new File(dbPath);
// Only read the database from the file if it exists
if (dbFile.exists()) {
FileInputStream fileIn = new FileInputStream(dbPath);
ObjectInputStream in = new ObjectInputStream(fileIn);
// load the database here
database = (HashMap<K, V>) in.readObject();
// make sure the streams close properly
in.close();
fileIn.close();
Debug.println("Database loaded");
} else {
dbFile.getParentFile().mkdirs();
dbFile.createNewFile();
Debug.println("Database created");
}
return true;
} catch (Exception e) {
System.err.println("Error opening database");
System.err.println(e);
return false;
}
}
/**
* This method will read the standard input and save the content to a temporary. source file since
* the source file will be parsed mutiple times. The HTML source file is parsed and checked for
* Charset in HTML tags at first time, then source file is parsed again for the converting The
* temporary file is read from standard input and saved in current directory and will be deleted
* after the conversion has completed.
*
* @return the vector of the converted temporary source file name
*/
public Vector getStandardInput() throws FileAccessException {
byte[] buf = new byte[2048];
int len = 0;
FileInputStream fis = null;
FileOutputStream fos = null;
File tempSourceFile;
String tmpSourceName = ".tmpSource_stdin";
File outFile = new File(tmpSourceName);
tempSourceFile = new File(System.getProperty("user.dir") + sep + tmpSourceName);
if (!tempSourceFile.exists()) {
try {
fis = new FileInputStream(FileDescriptor.in);
fos = new FileOutputStream(outFile);
while ((len = fis.read(buf, 0, 2048)) != -1) fos.write(buf, 0, len);
} catch (IOException e) {
System.out.println(ResourceHandler.getMessage("plugin_converter.write_permission"));
return null;
}
} else {
throw new FileAccessException(ResourceHandler.getMessage("plugin_converter.overwrite"));
}
tempSourceFile = new File(System.getProperty("user.dir") + sep + tmpSourceName);
if (tempSourceFile.exists()) {
fileSpecs.add(tmpSourceName);
return fileSpecs;
} else {
throw new FileAccessException(
ResourceHandler.getMessage("plugin_converter.write_permission"));
}
}
public static TaggedDictionary loadFrom(File f) throws Exception {
FileInputStream fi = null;
BufferedInputStream bi = null;
ObjectInputStream oin = null;
TaggedDictionary result = null;
try {
fi = new FileInputStream(f);
bi = new BufferedInputStream(fi, 1000000);
oin = new ObjectInputStream(bi);
result = new TaggedDictionary();
result.readFrom(oin);
} finally {
try {
oin.close();
} catch (Exception exx) {
}
try {
bi.close();
} catch (Exception exx) {
}
try {
fi.close();
} catch (Exception exx) {
}
}
return result;
}
private void sendFile(String filePath) {
try {
File fileToSend = new File(filePath);
FileInputStream fileInputStream = new FileInputStream(fileToSend);
BufferedInputStream bufferedInputStream = new BufferedInputStream(fileInputStream);
OutputStream outputStream = clientSocket.getOutputStream();
// Writer:
byte[] writerBuffer = new byte[(int) fileToSend.length()];
bufferedInputStream.read(writerBuffer, 0, writerBuffer.length);
System.out.println("Sending " + filePath + "(" + writerBuffer.length + " bytes)");
outputStream.write("HTTP/1.1 200 OK\r\n\r\n".getBytes());
// System.out.println("Writing: "+new String(writerBuffer));
outputStream.write(writerBuffer, 0, writerBuffer.length);
outputStream.flush();
System.out.println("Done.");
// inputStream.close();
fileInputStream.close();
bufferedInputStream.close();
outputStream.close();
} catch (IOException e) {
// report exception somewhere.
e.printStackTrace();
}
}
public static void main(String args[]) {
try {
aServer asr = new aServer();
// file channel.
FileInputStream is = new FileInputStream("");
is.read();
FileChannel cha = is.getChannel();
ByteBuffer bf = ByteBuffer.allocate(1024);
bf.flip();
cha.read(bf);
// Path Paths
Path pth = Paths.get("", "");
// Files some static operation.
Files.newByteChannel(pth);
Files.copy(pth, pth);
// file attribute, other different class for dos and posix system.
BasicFileAttributes bas = Files.readAttributes(pth, BasicFileAttributes.class);
bas.size();
} catch (Exception e) {
System.err.println(e);
}
System.out.println("hello ");
}
private byte[] loadClassData(File f) throws ClassNotFoundException {
FileInputStream stream = null;
try {
// System.out.println("loading: "+f.getPath());
stream = new FileInputStream(f);
try {
byte[] b = new byte[stream.available()];
stream.read(b);
return b;
} catch (IOException e) {
throw new ClassNotFoundException();
}
} catch (FileNotFoundException e) {
throw new ClassNotFoundException();
} finally {
if (stream != null) {
try {
stream.close();
} catch (IOException e) {
/* ignore */
}
}
}
}
/**
* @param superClass
* @param classloader
* @param classes
* @param packagePath
* @throws FileNotFoundException
* @throws IOException
*/
private static void enumerateCompressedPackage(
String prefix,
Class superClass,
ClassLoader classloader,
LinkedList<Class> classes,
File packagePath)
throws FileNotFoundException, IOException {
FileInputStream fileinputstream = new FileInputStream(packagePath);
ZipInputStream zipinputstream = new ZipInputStream(fileinputstream);
ZipEntry zipentry = null;
do {
zipentry = zipinputstream.getNextEntry();
if (zipentry != null && zipentry.getName().endsWith(".class")) {
String classFileName = zipentry.getName();
String className =
classFileName.lastIndexOf('/') > -1
? classFileName.substring(classFileName.lastIndexOf('/') + 1)
: classFileName;
if (prefix == null || className.startsWith(prefix)) {
try {
String fullClassName =
classFileName.substring(0, classFileName.length() - 6).replaceAll("/", ".");
checkAndAddClass(classloader, superClass, classes, fullClassName);
} catch (Exception ex) {
}
}
}
} while (zipentry != null);
fileinputstream.close();
}
public PtsFileConverter(GetOpt opts) {
FileInputStream fin;
DataInputStream ins = null;
FileWriter fout = null;
try {
String inFileString = opts.getString("infile");
String[] inFiles = inFileString.split(",");
fout = new FileWriter(opts.getString("outfile"), false);
for (int i = 0; i < inFiles.length; i++) {
fin = new FileInputStream(inFiles[i]);
ins = new DataInputStream(fin);
FeatureCategory type;
if (opts.getString("type").equals("color")) {
type = FeatureCategory.COLOR;
} else if (opts.getString("type").equals("shape")) {
type = FeatureCategory.SHAPE;
} else {
type = FeatureCategory.SIZE;
}
if (ins != null && fout != null) {
convertFile(ins, fout, type);
}
ins.close();
fin.close();
}
} catch (Exception ex) {
System.err.println("ERR: " + ex);
ex.printStackTrace();
}
}
private Parser readContent() {
Parser infoParser;
String filename = FILE_READ_PATH + FILE_READ_BASE_NAME + "." + FILE_READ_EXT_NUM;
FILE_READ_EXT_NUM++;
try {
File file = new File(filename);
if (DEBUG)
displayMessage(
"DEBUG",
"WCNForecastWeatherQueryFn.readContent:: File "
+ filename
+ " file.length="
+ file.length());
byte bytes[] = new byte[(int) (file.length())];
FileInputStream fis = new FileInputStream(file);
int cnt = fis.read(bytes, 0, bytes.length);
if (DEBUG)
displayMessage(
"DEBUG",
"WCNForecastWeatherQueryFn.readContent:: File " + filename + " read cnt=" + cnt);
fis.close();
if (cnt != bytes.length) return null;
String content = new String(bytes);
infoParser = new Parser(content, true, display);
} catch (FileNotFoundException e) {
if (DEBUG) displayMessage("ERROR", "File " + filename + " not found.");
return null;
} catch (IOException e) {
if (DEBUG) displayMessage("ERROR", "Read failed on file " + filename);
return null;
}
return infoParser;
}
public void load() {
if (!modelExists()) {
loadError = "Cannot find " + LEVELS_DAT_FILE + ".";
return;
}
File folder = new File(location);
File dat = new File(folder, LEVELS_DAT_FILE);
// File lst = new File(folder, LEVELS_LST_FILE);
if (!dat.isFile()) return;
ArrayList levels = new ArrayList();
try {
FileInputStream reader = new FileInputStream(dat);
long fileLength = dat.length();
int length = model.getField().getSize() + 96;
int readLength = 0;
byte[] buffer = new byte[length];
while (fileLength - readLength >= length) {
int toRead = length;
while (toRead > 0) {
toRead -= reader.read(buffer, length - toRead, toRead);
}
readLength += length;
SupaplexLevel level = new SupaplexLevel();
level.setModel(model);
level.loadFromBytes(buffer);
levels.add(level);
}
reader.close();
} catch (Exception e) {
e.printStackTrace();
}
SupaplexLevel[] ls = (SupaplexLevel[]) levels.toArray(new SupaplexLevel[0]);
model.setLevels(ls);
}
public static FileDesc loadFile(Path root, Path file, int blocSize)
throws NoSuchAlgorithmException, FileNotFoundException, IOException {
MessageDigest md = MessageDigest.getInstance("SHA-512");
MessageDigest fileMd = MessageDigest.getInstance("SHA-512");
FileDesc desc = new FileDesc(file.toString(), null, null);
List<Bloc> list = new ArrayList<Bloc>();
try (FileInputStream fis = new FileInputStream(root.resolve(file).toString())) {
byte[] buf = new byte[blocSize];
byte[] h;
int s;
while ((s = fis.read(buf)) != -1) {
int c;
while (s < buf.length && (c = fis.read()) != -1) buf[s++] = (byte) c;
fileMd.update(buf, 0, s);
// padding
byte p = 0;
while (s < buf.length) buf[s++] = ++p;
h = md.digest(buf);
Bloc bloc = new Bloc(RollingChecksum.compute(buf), new Hash(h));
list.add(bloc);
}
h = fileMd.digest();
desc.fileHash = new Hash(h);
desc.blocs = list.toArray(new Bloc[0]);
}
return desc;
}
/**
* @ensures: if input file is read, a String is filled with words from file and searched in
* dictionary list, and if found increase words found counter, otherwise increase words not
* found. Otherwise error reading file
*/
public void readFileOliver() {
try {
FileInputStream inf = new FileInputStream(new File("oliver.txt"));
char let;
String str = "";
String key = "";
int n = 0;
while ((n = inf.read()) != -1) {
let = (char) n;
if (Character.isLetter(let)) {
str += Character.toLowerCase(let);
}
if ((Character.isWhitespace(let) || let == '-') && !str.isEmpty()) {
key = str;
str = "";
boolean a = dictionary[(int) key.charAt(0) - 97].contains(key);
if (a == true) {
counter = dictionary[(int) key.charAt(0) - 97].indexOf(key);
counterWFound++;
counterWFCompared += counter;
} else {
counter =
dictionary[(int) key.charAt(0) - 97].indexOf(
dictionary[(int) key.charAt(0) - 97].getLast());
counterWNotFound++;
counterWNFCompared += counter;
}
}
}
inf.close();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* reads faculty list file
*
* @return LinkedList<Faculty>
* @throws FileNotFoundException
*/
public LinkedList<Faculty> readFacultyList() throws FileNotFoundException {
FileInputStream fstream = new FileInputStream("facultyList.csv");
LinkedList<Faculty> facultyList = new LinkedList<Faculty>();
Scanner input = new Scanner(fstream);
input.useDelimiter(",");
try {
// reads file
while (input.hasNext()) {
String firstName = input.next();
String lastName = input.next();
String userName = input.next();
String password = input.next();
String email = input.next();
String office = input.next();
String phoneNumber = input.nextLine();
// creates faculty member
Faculty newFaculty =
new Faculty(userName, password, email, firstName, lastName, office, phoneNumber);
facultyList.add(newFaculty);
}
fstream.close();
} catch (Exception e) {
facultyList = null;
}
Collections.sort(facultyList);
return facultyList;
}
/**
* The read admin list reads in admin objects from a readfile
*
* @return
* @throws FileNotFoundException
*/
public LinkedList<Admin> readAdminList() throws FileNotFoundException {
FileInputStream fstream = new FileInputStream("adminList.csv");
LinkedList<Admin> adminList = new LinkedList<Admin>();
Scanner input = new Scanner(fstream);
input.useDelimiter(",");
try {
// reads file
while (input.hasNext()) {
String firstName = input.next();
String lastName = input.next();
String userName = input.next();
String password = input.next();
String email = input.next();
String office = input.next();
String phoneNumber = input.nextLine();
// creates admin
Admin newAdmin =
new Admin(userName, password, email, firstName, lastName, office, phoneNumber);
adminList.add(newAdmin);
}
fstream.close();
} catch (Exception e) {
adminList = null;
}
Collections.sort(adminList);
return adminList;
}
/**
* Lis et retourne une piece depuis le fichier temporaire sur le disque (la piece doit exister)
*
* @param num : numéros de la piece
*/
private synchronized byte[] readPieceTmpFile(int num) {
if (num < 0 || num >= this.nbPieces()) {
throw new IllegalArgumentException();
}
try {
FileInputStream reader_tmp = new FileInputStream(this);
FileChannel reader = reader_tmp.getChannel();
int index_piece = Tools.readInt(reader, 4 + _key.length() + 4 + 4 + 4 * num);
if (index_piece < 0) {
throw new IllegalArgumentException();
}
int size = _piecesize;
if (num == this.nbPieces() - 1) {
size = _size - _piecesize * (this.nbPieces() - 1);
}
byte[] piece = Tools.readBytes(reader, this.headerSize() + _piecesize * index_piece, size);
reader_tmp.close();
return piece;
} catch (Exception e) {
System.out.println("Unable to read tmp file piece");
e.printStackTrace();
}
return new byte[0];
}
/**
* Reload properties. This clears out the existing entries, loads the main properties file and
* then adds any additional properties there may be (usually from zip files). This is used
* internally by addProps() and removeProps().
*/
private synchronized void reload() {
// clear out old entries
clear();
// read from the primary file
if (file != null && file.exists()) {
FileInputStream bpin = null;
try {
bpin = new FileInputStream(file);
load(bpin);
} catch (Exception x) {
System.err.println("Error reading properties from file " + file + ": " + x);
} finally {
try {
bpin.close();
} catch (Exception ignore) {
// ignored
}
}
}
// read additional properties from zip files, if available
if (additionalProps != null) {
for (Iterator i = additionalProps.values().iterator(); i.hasNext(); )
putAll((Properties) i.next());
}
lastread = System.currentTimeMillis();
}
// Merge the availableChunks to build the original file
void MergeChunks(File[] chunks) throws IOException {
// Safety check
if (chunks == null) {
System.err.println("ERROR: No chunks to merge!");
return;
}
FileOutputStream fos = new FileOutputStream("complete/" + filename);
try {
FileInputStream fis;
byte[] fileBytes;
int bytesRead;
for (File f : chunks) {
fis = new FileInputStream(f);
fileBytes = new byte[(int) f.length()];
bytesRead = fis.read(fileBytes, 0, (int) f.length());
assert (bytesRead == fileBytes.length);
assert (bytesRead == (int) f.length());
fos.write(fileBytes);
fos.flush();
fileBytes = null;
fis.close();
fis = null;
}
} catch (Exception exception) {
exception.printStackTrace();
} finally {
fos.close();
fos = null;
}
}
public static WordClass[] loadWordClassesFrom(File f) throws Exception {
FileInputStream fi = null;
BufferedInputStream bi = null;
ObjectInputStream oin = null;
WordClass result[];
try {
fi = new FileInputStream(f);
bi = new BufferedInputStream(fi, 1000000);
oin = new ObjectInputStream(bi);
result = (WordClass[]) oin.readObject();
} finally {
try {
oin.close();
} catch (Exception exx) {
}
try {
bi.close();
} catch (Exception exx) {
}
try {
fi.close();
} catch (Exception exx) {
}
}
return result;
}
public boolean load() {
try {
if (new File(FILE_PATH).exists()) {
FileInputStream FIS = new FileInputStream(FILE_PATH);
JXMLBaseObject cobjXmlObj = new JXMLBaseObject();
cobjXmlObj.InitXMLStream(FIS);
FIS.close();
Vector exps = new Vector();
Element rootElmt = cobjXmlObj.GetElementByName(JCStoreTableModel.ROOT_NAME);
for (Iterator i = rootElmt.getChildren().iterator(); i.hasNext(); ) {
Element crtElmt = (Element) i.next();
JCExpression exp = new JCExpression();
exp.mId = crtElmt.getAttributeValue("id", "");
exp.mName = crtElmt.getAttributeValue("name", "");
exp.mShowValue = crtElmt.getAttributeValue("show", "");
exp.mStoreValue = crtElmt.getAttributeValue("store", "");
exps.add(exp);
}
if (mModel != null) {
mModel.setExpression(exps);
}
}
} catch (Exception e) {
e.printStackTrace();
return false;
}
return true;
}
/** DOCUMENT ME! */
public void loadRaids() {
File f = new File(REPO);
if (!f.exists()) {
return;
}
FileInputStream fIn = null;
ObjectInputStream oIn = null;
try {
fIn = new FileInputStream(REPO);
oIn = new ObjectInputStream(fIn);
// de-serializing object
raids = (HashMap<String, GregorianCalendar>) oIn.readObject();
} catch (IOException e) {
e.printStackTrace();
} catch (ClassNotFoundException e) {
e.printStackTrace();
} finally {
try {
oIn.close();
fIn.close();
} catch (IOException e1) {
e1.printStackTrace();
}
}
}
public boolean parse(String filename) {
try {
// creating a handle with 'r' rights to access the file
FileInputStream fstream = new FileInputStream(filename);
// creating a buffered reader to read line by line
BufferedReader br = new BufferedReader(new InputStreamReader(fstream));
List<cAddy> pp = new ArrayList<cAddy>();
// temporary string that always holds one line of the text file
String s;
String l[];
// read a line and s<--line
try {
while ((s = br.readLine()) != null) {
l = s.split("\t");
if (l.length == 7) {
try {
pp.add(
new cAddy(
// <interpreting the text input>
Integer.parseInt(l[2]), // PLZ
l[4], // village name
l[6], // kanton
Integer.parseInt(
l[0]), // dunno what, maybe some internal number the post uses
Integer.parseInt(l[1]), // no clue what this number stands for
Integer.parseInt(
l[3]) // looks like an iterator of the different village names
// </interpreting the text input>
));
} catch (NumberFormatException e) {
if (verbose) // the show must go on
System.out.println("Error: converting some numbers in \'" + s + "\' failed!");
}
} else {
if (verbose && !s.equals("")) // printing some debug information (if wanted)
System.out.println("Error: Splitting \'" + s + "\' by tabs returns an invalid result!");
}
}
// unregging the access handle
fstream.close();
Collections.sort(pp);
PLZlist = pp;
return true;
} catch (IOException e) {
if (verbose) // fails reading it... so nothing's returned
System.out.println("Error: can't access \'" + filename + "\'!");
return false;
}
// sorting the list for binsearch
} catch (FileNotFoundException e) {
// please specify a valid file
if (verbose) // fails reading it... so nothing's returned
System.out.println("Error: File \'" + filename + "\' not found!");
return false;
}
}
static void processFile(String fname, PrintStream out) throws IOException {
System.err.println("Processing: " + fname);
FileInputStream fio = new FileInputStream(new File(fname));
InputStreamReader fread = new InputStreamReader(fio, JetTest.encoding);
BufferedReader fp = new BufferedReader(fread);
StringBuffer buf = new StringBuffer();
int docno = 0, allsents = 0, processedsents = 0;
while (true) {
String line = fp.readLine();
// EOF or an empty line: the end of a Document.
if (line == null || line.equals("")) {
if (0 < buf.length()) {
SGMLProcessor.allTags = true;
Document doc = SGMLProcessor.sgmlToDoc(buf.toString(), (String[]) null);
doc.setSGMLwrapMargin(0);
System.err.println(
"Doc-" + docno + ": sents=" + allsents + ", processed=" + processedsents);
processDoc1(doc, docno);
writeDoc1(doc, out);
out.flush();
buf = new StringBuffer();
docno++;
allsents = 0;
processedsents = 0;
}
if (line == null) {
break;
} else {
continue;
}
}
if (line.startsWith("#")) {
// "#" indicates a comment line.
buf.append(line + "\n");
} else {
allsents++;
if (processedsents < MaxProcessSentences) {
buf.append("<sentence>");
String[] words = line.split(" ");
for (int i = 0; i < words.length; i++) {
if (0 != words[i].length()) {
buf.append("<token>" + words[i] + " </token>");
}
}
buf.append("</sentence>\n");
processedsents++;
}
}
}
fp.close();
fread.close();
fio.close();
return;
}
/**
* reads course list file
*
* @return LinkedList<CurrentCourse>
* @throws FileNotFoundException
*/
public LinkedList<CurrentCourse> readCourseList() throws FileNotFoundException {
FileInputStream fstream = new FileInputStream("courseList.csv");
LinkedList<CurrentCourse> courseList = new LinkedList<CurrentCourse>();
Scanner input = new Scanner(fstream);
input.useDelimiter(",");
try {
// read file
while (input.hasNextLine()) {
String crn;
crn = input.next();
String course = input.next();
int section = input.nextInt();
String title = input.next();
String prer = input.next();
int credits = input.nextInt();
String time = input.next();
String days = input.next();
String building = input.next();
String room = input.next();
int totalSeats = input.nextInt();
int filledSeats = input.nextInt();
String tempWaiting = input.next();
String professor = input.nextLine();
professor = professor.substring(1, professor.length());
// create current course
CurrentCourse newCourse =
new CurrentCourse(
crn,
course,
section,
title,
prer,
credits,
time,
days,
building,
room,
professor,
totalSeats,
filledSeats,
tempWaiting);
courseList.add(newCourse);
fstream.close();
}
} catch (Exception e) {
courseList = null;
}
Collections.sort(courseList);
return courseList;
}
private Properties loadOldProperties(File oldPropsFile) throws IOException {
Properties oldProps = new Properties();
if (oldPropsFile.exists()) {
FileInputStream is = new FileInputStream(oldPropsFile);
oldProps.load(is);
is.close();
}
return oldProps;
}
public static void copyFileToTheStandardOutput(String inputFileName) throws IOException {
FileInputStream fis = new FileInputStream(inputFileName);
int c;
while ((c = fis.read()) != -1) {
System.out.write(c); // won't work with big files as something
// can write on the screen in the middle of the reading
}
fis.close();
}
/**
* Load text string from a given file.
*
* @param fileStr the name of the file to be loaded.
* @return A text string that is the content of the file. if the given file is not exist, then
* return null.
*/
public static String getStringFromFile(String fileStr) throws Exception {
String getStr = null;
FileInputStream pspInputStream = new FileInputStream(fileStr);
byte[] pspFileBuffer = new byte[pspInputStream.available()];
pspInputStream.read(pspFileBuffer);
pspInputStream.close();
getStr = new String(pspFileBuffer);
return (getStr);
}
/** Metodo que le os clientes de um ficheiro */
public void lerobjLocalidades(String fileLocalidades)
throws FileNotFoundException, IOException, ClassNotFoundException {
FileInputStream fisloc = new FileInputStream(fileLocalidades);
ObjectInputStream oisloc = new ObjectInputStream(fisloc);
this.localidades = (TreeMap<String, Localidade>) oisloc.readObject();
oisloc.close();
fisloc.close();
}
public static Charset guessEncoding(File f, int bufferLength, Charset defaultCharset)
throws FileNotFoundException, IOException {
FileInputStream fis = new FileInputStream(f);
byte[] buffer = new byte[bufferLength];
fis.read(buffer);
fis.close();
CharsetToolkit toolkit = new CharsetToolkit(buffer);
toolkit.setDefaultCharset(defaultCharset);
return toolkit.guessEncoding();
}
/**
* reads student list file
*
* @return LinkedList<Student>
* @throws FileNotFoundException
*/
public LinkedList<Student> readStudentList() throws FileNotFoundException {
FileInputStream fstream = new FileInputStream("studentList.csv");
LinkedList<Student> studentList = new LinkedList<Student>();
Scanner input = new Scanner(fstream);
input.useDelimiter(",");
try {
// reads file
while (input.hasNext()) {
String idNumber = input.next();
String firstName = input.next();
String lastName = input.next();
String userName = input.next();
String password = input.next();
String email = input.next();
String major = input.next();
String minor = input.next();
int approvedCredits = input.nextInt();
int creditHoursEnrolled = input.nextInt();
String currentSchudule = input.next();
String hold = input.nextLine();
hold = hold.substring(1, hold.length());
boolean holds;
if (hold.equalsIgnoreCase("True")) holds = true;
else holds = false;
// creates student
Student newStudent =
new Student(
idNumber,
firstName,
lastName,
userName,
password,
email,
major,
minor,
approvedCredits,
creditHoursEnrolled,
currentSchudule,
holds);
studentList.add(newStudent);
fstream.close();
}
} catch (Exception e) {
studentList = null;
}
Collections.sort(studentList);
return studentList;
}
