private void loadDBFile() {
try {
BufferedReader reader = new BufferedReader(new FileReader(new File("formula_database.dat")));
String line = reader.readLine();
while (line != null) {
String[] itemAttrs = line.split("[|]");
InventoryItem item = new InventoryItem();
item.setName(itemAttrs.length > 1 ? itemAttrs[1] : "");
item.setBidFormula(itemAttrs.length > 2 ? itemAttrs[2] : "");
item.setSellFormula(itemAttrs.length > 3 ? itemAttrs[3] : "");
if (itemAttrs.length > 4) {
item.setFavorite(true);
if (modelMap.containsKey(itemAttrs[4])) {
modelMap.get(itemAttrs[4]).addRow(item);
}
}
if (modelMap.containsKey(itemAttrs[0])) {
InventoryTableModel model = modelMap.get(itemAttrs[0]); // Identifier
model.addRow(item);
}
line = reader.readLine();
}
} catch (FileNotFoundException e) {
System.out.println("Warning: No Inventory file found in working directory.");
} catch (IOException e) {
System.out.println("Error reading line from Inventory file.");
} catch (ArrayIndexOutOfBoundsException e) {
System.out.println("Inventory file is malformed");
}
}
public void updateDB() {
FileWriter writer = null;
try {
writer = new FileWriter(new File("formula_database.dat"));
StringBuffer buffer = new StringBuffer();
for (InventoryTableModel model : modelMap.values()) {
ArrayList<InventoryItem> dataItems = model.getData();
if (model.getType().indexOf("FAVORITES") == -1) {
for (InventoryItem item : dataItems) {
String publicOrDealer =
model
.getType()
.substring(model.getType().indexOf("_") + 1, model.getType().length());
buffer.append(model.getType());
buffer.append("|");
buffer.append(item.getName() == null ? "" : item.getName());
buffer.append("|");
buffer.append(item.getBidFormula() == null ? "" : item.getBidFormula());
buffer.append("|");
buffer.append(item.getSellFormula() == null ? "" : item.getSellFormula());
buffer.append("|");
if (item.isFavorite()) {
buffer.append("FAVORITES_" + publicOrDealer);
buffer.append("|");
}
buffer.append("\n");
writer.write(buffer.toString());
buffer.setLength(0);
}
}
}
} catch (IOException ioe) {
System.out.println("error reading input to file writer");
} finally {
try {
writer.close();
} catch (IOException e) {
System.out.println("error closing buffered writer");
}
}
}