public void startApp() {
// Create Record Store
try {
rs = RecordStore.openRecordStore("myrs", true);
} catch (RecordStoreException e) {
}
dsp = Display.getDisplay(this);
listMenu.setCommandListener(this);
listMenu.addCommand(cmdExit);
dsp.setCurrent(listMenu);
}
public void commandAction(Command c, Displayable d) {
if (c == List.SELECT_COMMAND) {
List down = (List) dsp.getCurrent();
String title = down.getTitle();
if (title.equals("Menu:")) {
switch (down.getSelectedIndex()) {
case 0:
{
System.out.println("Stisknul jsi " + down.getString(down.getSelectedIndex()));
addRecordForm();
break;
}
case 1:
{
System.out.println("Stisknul jsi " + down.getString(down.getSelectedIndex()));
showAllRecordForm();
break;
}
case 2:
{
System.out.println("Stisknul jsi " + down.getString(down.getSelectedIndex()));
showFirstRecord();
break;
}
case 3:
{
System.out.println("Stisknul jsi " + down.getString(down.getSelectedIndex()));
getNumberRecord();
break;
}
case 4:
{
System.out.println("Stisknul jsi " + down.getString(down.getSelectedIndex()));
editRecord(1);
break;
}
}
}
}
if (c == cmdExit) {
// rs.closeRecordStore();
notifyDestroyed();
}
if (c == cmdMenu) {
dsp.setCurrent(listMenu);
}
if (c == cmdEdit) {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
// filtr; filtr dostane pri vytvoreni stream jako parametr;
// format dat nezavisly na platforme
// definuje metodu write() pro vsechny primitivni typy
DataOutputStream dout = new DataOutputStream(buffer);
// byte [] data = txf.getString().getBytes();
try {
dout.writeUTF(txfName.getString());
dout.writeInt(Integer.valueOf(txfNumber.getString()).intValue());
txfName.delete(0, txfName.size());
txfNumber.delete(0, txfNumber.size());
// zapise buffer do streamu
dout.flush();
// prevod ByteArrayOutputStream na pole bytu;
byte[] b = buffer.toByteArray();
rs.setRecord(1, b, 0, b.length);
} catch (Exception e) {
} finally {
try {
dout.close();
} catch (Exception e2) {
}
}
}
if (c == cmdAdd) {
// vystupni stream; zapisuje do buferu v pamžti
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
// filtr; filtr dostane pri vytvoreni stream jako parametr;
// format dat nezavisly na platforme
// definuje metodu write() pro vsechny primitivni typy
DataOutputStream dout = new DataOutputStream(buffer);
// byte [] data = txf.getString().getBytes();
try {
dout.writeUTF(txfName.getString());
dout.writeInt(Integer.valueOf(txfNumber.getString()).intValue());
txfName.delete(0, txfName.size());
txfNumber.delete(0, txfNumber.size());
// zapise buffer do streamu
dout.flush();
// prevod ByteArrayOutputStream na pole bytu;
byte[] b = buffer.toByteArray();
rs.addRecord(b, 0, b.length);
} catch (Exception e) {
} finally {
try {
dout.close();
} catch (Exception e2) {
}
}
}
}
public void showAllRecordForm() {
fmAllRecords = new Form("All records");
try {
RecordEnumeration recEnum = rs.enumerateRecords(null, null, false);
while (recEnum.hasNextElement()) {
try {
// System.out.println(new String(recEnum.nextRecord()));
String name = "Nenacetl jsem";
int number = 0;
try {
byte[] record = recEnum.nextRecord();
ByteArrayInputStream buffer = new ByteArrayInputStream(record);
DataInputStream dis = new DataInputStream(buffer);
name = dis.readUTF();
number = dis.readInt();
dis.close();
} catch (Exception e) {
}
fmAllRecords.append(name + " " + String.valueOf(number) + "\n");
} catch (Exception e) {
System.out.println(e.getMessage());
}
//
}
} catch (Exception ex) {
System.out.println(ex.getMessage());
}
fmAllRecords.addCommand(cmdMenu);
fmAllRecords.setCommandListener(this);
dsp.setCurrent(fmAllRecords);
}
public void getNumberRecord() {
fmNumbers = new Form("Number of Records");
int number = 0;
try {
number = rs.getNumRecords();
} catch (Exception e) {
}
fmNumbers.append("Numbers of Records: " + number);
dsp.setCurrent(fmNumbers);
fmNumbers.setCommandListener(this);
fmNumbers.addCommand(cmdMenu);
}
/** Get the settings the Manager saved for the user. */
private void restoreSettings() {
ByteArrayInputStream bas;
DataInputStream dis;
byte[] data;
RecordStore settings = null;
try {
settings = RecordStore.openRecordStore(GraphicalInstaller.SETTINGS_STORE, false);
data = settings.getRecord(1);
if (data != null) {
bas = new ByteArrayInputStream(data);
dis = new DataInputStream(bas);
defaultInstallListUrl = dis.readUTF();
}
} catch (RecordStoreException e) {
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(
Logging.WARNING, LogChannels.LC_AMS, "restoreSettings threw a RecordStoreException");
}
} catch (IOException e) {
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(Logging.WARNING, LogChannels.LC_AMS, "restoreSettings threw an IOException");
}
} finally {
if (settings != null) {
try {
settings.closeRecordStore();
} catch (RecordStoreException e) {
if (Logging.REPORT_LEVEL <= Logging.WARNING) {
Logging.report(
Logging.WARNING,
LogChannels.LC_AMS,
"closeRecordStore threw a RecordStoreException");
}
}
}
}
}
public void showFirstRecord() {
fmFirstRecord = new Form("First Record");
String name = "Nenacetl jsem";
int number = 0;
try {
byte[] record = rs.getRecord(1);
ByteArrayInputStream buffer = new ByteArrayInputStream(record);
DataInputStream dis = new DataInputStream(buffer);
name = dis.readUTF();
number = dis.readInt();
dis.close();
} catch (Exception e) {
}
fmFirstRecord.append(name + " " + String.valueOf(number));
// fmFirstRecord.append(String.valueOf(number));
fmFirstRecord.setCommandListener(this);
fmFirstRecord.addCommand(cmdMenu);
dsp.setCurrent(fmFirstRecord);
}
public void editRecord(int record_num) {
fmEditRecord = new Form("Edit Record");
String name = "Nenacetl jsem";
int number = 0;
try {
byte[] record = rs.getRecord(record_num);
ByteArrayInputStream buffer = new ByteArrayInputStream(record);
DataInputStream dis = new DataInputStream(buffer);
name = dis.readUTF();
number = dis.readInt();
dis.close();
} catch (Exception e) {
}
txfName = new TextField("Name", name, 10, TextField.ANY);
txfNumber = new TextField("Number", String.valueOf(number), 10, TextField.NUMERIC);
fmEditRecord.append(txfName);
fmEditRecord.append(txfNumber);
fmEditRecord.addCommand(cmdEdit);
fmEditRecord.addCommand(cmdMenu);
fmEditRecord.setCommandListener(this);
dsp.setCurrent(fmEditRecord);
}