private void save2RS() {
RecordStore rs = null;
try {
RecordStore.deleteRecordStore("score");
rs = RecordStore.openRecordStore("score", true);
try {
for (int i = 0; i < 5; i++) {
ByteArrayOutputStream bytes;
DataOutputStream dataOut = new DataOutputStream(bytes = new ByteArrayOutputStream());
ScoreItem item = (ScoreItem) list.elementAt(i);
dataOut.writeUTF(item.name);
dataOut.writeInt(item.points);
dataOut.writeInt(item.level);
dataOut.writeLong(item.date);
byte[] byteA = bytes.toByteArray();
rs.addRecord(byteA, 0, byteA.length);
}
} catch (IOException exp) {
RecordStore.deleteRecordStore("score");
System.out.println("XXXXXXXXXXXXXXXXXXXXXX");
}
// System.out.println("size of rs after saving: "+ rs.getNumRecords());
rs.closeRecordStore();
} catch (RecordStoreException exp) {
System.out.println("fehler: " + exp.toString());
exp.printStackTrace();
}
}
public void readRS() {
RecordStore rs = null;
try {
rs = RecordStore.openRecordStore("score", true);
byte[] byteA = new byte[100];
list.removeAllElements();
// System.out.println("size of list before reading out of rs: "+ list.size());
for (int i = 1; i < 6; i++) {
byteA = rs.getRecord(i);
// System.out.println((char) byteA[0]);
// System.out.println("1");
ByteArrayInputStream bytes = new ByteArrayInputStream(byteA);
// System.out.println("2");
DataInputStream dataIn = new DataInputStream(bytes);
// System.out.println("3");
try {
list.addElement(
new ScoreItem(
dataIn.readUTF(), dataIn.readInt(), dataIn.readInt(), dataIn.readLong()));
} catch (IOException exp) {
}
}
// System.out.println("size of list after reading out of rs: "+ list.size());
rs.closeRecordStore();
} catch (RecordStoreException exp) {
System.out.println("fehler: " + exp.toString());
exp.printStackTrace();
}
}