/** Stop talking to the server */
public void stop() {
if (socket != null) {
// Close all the streams and socket
if (out != null) {
try {
out.close();
} catch (IOException ioe) {
}
out = null;
}
if (in != null) {
try {
in.close();
} catch (IOException ioe) {
}
in = null;
}
if (socket != null) {
try {
socket.close();
} catch (IOException ioe) {
}
socket = null;
}
} else {
// Already stopped
}
// Make sure the right buttons are enabled
start_button.setEnabled(true);
stop_button.setEnabled(false);
setStatus(STATUS_STOPPED);
}
public void windowOpened(WindowEvent e) // read file on start
{
FileInputStream in = null;
ObjectInputStream data = null;
try {
in = new FileInputStream(DB);
data = new ObjectInputStream(in);
p = (Person) data.readObject();
while (p != null) {
persons.add(p); // store Person object in ArrayList collection
p = (Person) data.readObject(); // read the next record
}
data.close();
} catch (Exception ex) {
// IOException will always occur on the last read above
} finally {
if (persons.size() > 0) displayRecord();
}
}
/** 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();
}
}
}
/** @bug 4110613 */
public void TestSerialization()
throws ClassNotFoundException, OptionalDataException, IOException, StreamCorruptedException {
ObjectOutputStream ostream;
ByteArrayOutputStream obstream;
byte[] bytes = null;
obstream = new ByteArrayOutputStream();
ostream = new ObjectOutputStream(obstream);
Locale test1 = new Locale("zh", "TW", "");
int dummy = test1.hashCode(); // fill in the cached hash-code value
ostream.writeObject(test1);
bytes = obstream.toByteArray();
ObjectInputStream istream = new ObjectInputStream(new ByteArrayInputStream(bytes));
Locale test2 = (Locale) (istream.readObject());
if (!test1.equals(test2) || test1.hashCode() != test2.hashCode())
errln("Locale failed to deserialize correctly.");
}
/**
* Subclassed to update the internal representation of the mask after the default read operation
* has completed.
*/
private void readObject(ObjectInputStream s) throws IOException, ClassNotFoundException {
s.defaultReadObject();
updateMaskIfNecessary();
}
/**
* Creates source for sources with two orders: firstly in RIC, secondly in time.
*
* @param filePath complete filename and path containing prices.
* @param symbols set of symbols present into the file.
* @param lineProcessor strategy to part each line.
* @throws IOException if one symbol (at least) cannot be found.
*/
public MultipleSymbolScanner(
final String filePath,
final String[] symbols,
final LineParser lineParser,
final SpreadTradesMgr[] spreadTradesMgr)
throws IOException {
this.lineParser = lineParser;
this.spreadTradesMgr = spreadTradesMgr;
this.filePath = filePath;
this.symbols = symbols;
this.mainReader = new RandomAccessFile(filePath, "r");
this.partReader = new RandomAccessFile[symbols.length];
this.nextMilliseconds = new long[symbols.length];
this.nextLine = new String[symbols.length];
boolean optimisticJumps = true;
final ErrorControl errorControl = this.lineParser.getErrorControl();
this.lineParser.setErrorControl(LineParser.nullErrorControl);
final String cacheFilePath = filePath + ".cachejump";
if (new File(cacheFilePath).exists()) {
final ObjectInputStream cacheJumpsFileIn =
new ObjectInputStream(new FileInputStream(cacheFilePath));
log.info("Using stored cached jumps in file " + cacheFilePath);
try {
try {
for (; ; ) {
final String s = cacheJumpsFileIn.readUTF();
final long pos = cacheJumpsFileIn.readLong();
for (int i = 0; i < symbols.length; i++) {
if (symbols[i].equals(s)) {
partReader[i] = new RandomAccessFile(filePath, "r");
partReader[i].seek(pos);
log.info("Using cached information: position " + pos + " for " + s);
break;
}
}
}
} catch (IOException ioe) {
cacheJumpsFileIn.close();
}
for (int i = 0; i < partReader.length; i++) {
if (partReader[i] == null) {
throw new IOException("Symbol " + symbols[i] + " not placed");
}
}
} catch (IOException ioe) {
log.log(Level.SEVERE, ioe.toString(), ioe);
log.severe("Error reading file " + cacheFilePath + ". Removing");
new File(cacheFilePath).delete();
}
} else {
final ObjectOutputStream cacheJumpsFileOut =
new ObjectOutputStream(new FileOutputStream(cacheFilePath));
log.fine("Caching jumps for future uses in file " + cacheFilePath);
log.info("Scannig file to place reading pointers");
for (int i = 0; i < symbols.length; i++) {
long lastPosition = this.mainReader.getFilePointer();
long foundPosition;
log.fine("Starting to search symbol " + symbols[i] + " from position " + lastPosition);
for (; ; ) {
foundPosition = this.mainReader.getFilePointer();
final String line = readNextLineCycling(lastPosition);
if (line == null) {
// All file's been read without finding desired symbol.
throw new IOException(
"Cannot find symbol '" + symbols[i] + "' in file '" + filePath + "'");
}
if (this.lineParser.isValid(line)
&& symbols[i].equals(this.lineParser.getSymbol(line, 0))) {
break;
}
}
log.info("Located place for reader on " + symbols[i] + ":" + foundPosition);
cacheJumpsFileOut.writeUTF(symbols[i]);
cacheJumpsFileOut.writeLong(foundPosition);
partReader[i] = new RandomAccessFile(filePath, "r");
partReader[i].seek(foundPosition);
final int optimisticJump = (int) (2 * (foundPosition - lastPosition) / 3);
this.mainReader.skipBytes(optimisticJump);
}
cacheJumpsFileOut.flush();
cacheJumpsFileOut.close();
}
log.info("File scanned. Placing reading pointers");
// Boot up
for (int i = 0; i < symbols.length; i++) {
for (; ; ) {
try {
String line = partReader[i].readLine();
while (line != null && !this.lineParser.isValid(line)) {
line = partReader[i].readLine();
}
if (!symbols[i].equals(this.lineParser.parse(line).getSymbol(0))) {
this.nextLine[i] = null;
} else {
this.nextLine[i] = line;
this.nextMilliseconds[i] =
this.lineParser.parse(line).getUTCTimestampCopy().getTimeInMillis();
break;
}
} catch (Exception e) {
log.log(
Level.SEVERE, "Exception reading first line " + "of file '" + this.filePath + "'", e);
log.severe("Maybe cache file is not correct?");
}
}
}
log.info("Readers placed correctly. Source started");
this.lineParser.setErrorControl(errorControl);
}
/** Background thread used to receive data from the server. */
public void run() {
Long id;
Integer message_type;
String target;
String soap;
SOAPMonitorData data;
int selected;
int row;
boolean update_needed;
while (socket != null) {
try {
// Get the data from the server
message_type = (Integer) in.readObject();
// Process the data depending on its type
switch (message_type.intValue()) {
case SOAPMonitorConstants.SOAP_MONITOR_REQUEST:
// Get the id, target and soap info
id = (Long) in.readObject();
target = (String) in.readObject();
soap = (String) in.readObject();
// Add new request data to the table
data = new SOAPMonitorData(id, target, soap);
model.addData(data);
// If "most recent" selected then update
// the details area if needed
selected = table.getSelectedRow();
if ((selected == 0) && model.filterMatch(data)) {
valueChanged(null);
}
break;
case SOAPMonitorConstants.SOAP_MONITOR_RESPONSE:
// Get the id and soap info
id = (Long) in.readObject();
soap = (String) in.readObject();
data = model.findData(id);
if (data != null) {
update_needed = false;
// Get the selected row
selected = table.getSelectedRow();
// If "most recent", then always
// update details area
if (selected == 0) {
update_needed = true;
}
// If the data being updated is
// selected then update details
row = model.findRow(data);
if ((row != -1) && (row == selected)) {
update_needed = true;
}
// Set the response and update table
data.setSOAPResponse(soap);
model.updateData(data);
// Refresh details area (if needed)
if (update_needed) {
valueChanged(null);
}
}
break;
}
} catch (Exception e) {
// Exceptions are expected here when the
// server communication has been terminated.
if (stop_button.isEnabled()) {
stop();
setErrorStatus(STATUS_CLOSED);
}
}
}
}