public static Automobile parseProperties(Properties properObj) {
Automobile autoObj = new Automobile();
autoObj.setModelName(properObj.getProperty("CarModel"));
properObj.remove("CarModel");
autoObj.setMaker(properObj.getProperty("CarMake"));
properObj.remove("CarMake");
autoObj.setBasePrice(Float.parseFloat(properObj.getProperty("CarPrice")));
properObj.remove("CarPrice");
int i = 1;
String key = "Option";
while (!properObj.isEmpty()) {
String optionsetName = properObj.getProperty(key + i);
autoObj.setOptionset(optionsetName);
properObj.remove(key + i);
int j = 1;
while (properObj.containsKey(key + i + "Value" + j)) {
float optionPrice = 0;
String optionName = properObj.getProperty(key + i + "Value" + j);
properObj.remove(key + i + "Value" + j);
if (properObj.containsKey(key + i + "Value" + j + "price")) {
optionPrice = Float.parseFloat(properObj.getProperty(key + i + "Value" + j + "price"));
properObj.remove(key + i + "Value" + j + "price");
}
autoObj.setOption(optionsetName, optionName, optionPrice);
j++;
}
i++;
}
return autoObj;
}
public static Automobile buildAutoObject(String fileName) throws AutoException {
Automobile model = new Automobile();
try {
FileReader file = new FileReader(fileName);
BufferedReader buff = new BufferedReader(file);
boolean eof = false;
String line;
for (int i = 0; i < 3; i++) {
line = buff.readLine();
if (line == null) {
eof = true;
} else {
String[] array = line.split(": ");
try {
if (array.length == 2) {
if (i == 0) {
model.setModelName(array[1]);
} else if (i == 1) {
try {
float basePrice =
NumberFormat.getNumberInstance(java.util.Locale.US)
.parse(array[1])
.floatValue();
model.setBasePrice(basePrice);
} catch (ParseException e) {
e.printStackTrace();
}
} else if (i == 2) {
model.setMaker(array[1]);
}
} else {
if (i == 0) {
throw new AutoException(ModelError.MISSING_MODEL_NAME);
} else if (i == 1) {
throw new AutoException(ModelError.MISSING_MODEL_PRICE);
}
}
} catch (AutoException e) {
e.fix(e.getErrorCode().getNumber(), model);
}
}
}
int i = 0; // number of line
while (!eof) {
line = buff.readLine();
if (line == null) {
eof = true;
} else {
String[] optionSet = line.split(": "); // setName + options
try {
if (optionSet.length != 2 || optionSet[0].isEmpty() || optionSet[1].isEmpty()) {
throw new AutoException(ModelError.MISSING_OPTIONSET_DATA);
} else {
String[] options = optionSet[1].split("; "); // (optionName + price)*n
model.setOptionset(optionSet[0]);
for (int j = 0; j < options.length; j++) {
String[] option = options[j].split(", "); // optionName + price
if (option.length < 2) {
throw new AutoException(ModelError.MISSING_OPTION_DATA);
} else {
try {
float price =
NumberFormat.getNumberInstance(java.util.Locale.US)
.parse(option[1])
.floatValue();
model.setOption(i, option[0], price);
} catch (ParseException e) {
e.printStackTrace();
}
}
}
}
} catch (AutoException e) {
e.fix(e.getErrorCode().getNumber(), model);
}
}
i++;
}
buff.close();
} catch (IOException e) {
System.out.println("Error -- " + e.toString());
}
return model;
}