/**
* Methode : saveAccreditedInformation() allows you to save all the information about the
* accredited user in a ser file.
*
* @param data : contains the data received in the serial port
* @return true if the owner information is correct
* @throws java.lang.InterruptedException
*/
private boolean saveAccreditedInformation(String[] data) throws InterruptedException {
boolean flag = false;
if (super.isChecksumCorrect(data)) {
OwnerInformation user = new OwnerInformation(data);
// Make the Serialization before closing the windows
File file = new File("accredited_information.ser");
try {
try (FileOutputStream fileOut = new FileOutputStream(file);
ObjectOutputStream out = new ObjectOutputStream(fileOut)) {
out.writeObject(user);
System.out.println(user);
flag = true;
System.out.println("accredited_information.ser file is created correcly");
}
} catch (IOException i) {
System.out.println("Exception de Serialisation " + i.getMessage());
flag = false;
}
} else {
System.out.println("The data about the accredited user is not saved");
flag = false;
}
return flag;
}
/**
* Methode : addDeviceLink() allows you to add the device in the table which containing the id and
* the key information.
*
* @param data
* @return true if the owner information is correct
* @throws java.lang.InterruptedException
*/
private boolean addDeviceLink(String[] data) throws InterruptedException {
boolean flag = false;
boolean flag_checksum = false;
boolean flag_extract_user = false;
boolean flag_extract_device = false;
boolean flag_creating_device = false;
boolean flag_serialization = false;
boolean flag_end = false;
int checksum_received = 0;
int checksum_calcule = 0;
int key_size = 0;
String id_device = "";
OwnerInformation accredited_user = null;
DeviceLinkingData device_linking = null;
DeviceLinkedData device_linked = null;
IdentifiantAndKeyTable table_temp = null;
if (data != null && data.length >= 2) {
key_accredited = data[0];
key_size = key_accredited.length();
// Extract the checksul and convert it
try {
checksum_received = Integer.parseInt(data[1]);
} catch (NumberFormatException ex) {
checksum_received = 0;
System.out.println("Impossible de convert String to Intger : " + ex.getMessage());
}
// Calcul du checksul
checksum_calcule = (key_size * 128) + (key_size / 2) * 64 + (key_size / 4) * 32;
checksum_calcule += (key_size / 8) * 16 + (key_size / 16) * 8 + (key_size / 32) * 4;
checksum_calcule += (key_size / 64) * 2;
} else {
System.out.println("L'argument passé en paramètre est invalide");
flag = false;
}
flag_checksum = checksum_calcule == checksum_received;
// Test if the checksum is correct or not
if (flag_checksum) {
System.out.println("CRC Correct");
File file = new File("accredited_information.ser");
// Deserialization otf the OwnerInformation
try (FileInputStream fileIn = new FileInputStream(file);
ObjectInputStream in = new ObjectInputStream(fileIn)) {
accredited_user = (OwnerInformation) in.readObject();
flag_extract_user = true;
} catch (IOException i) {
flag_extract_user = false;
System.out.println("IOException : " + i.getMessage());
} catch (ClassNotFoundException c) {
flag_extract_user = false;
System.out.println("OwnerInformation class not found " + c.getMessage());
}
file = new File("linking_test.ser");
// Deserialization of the DeviceLinkingInfo
try (FileInputStream fileIn = new FileInputStream(file);
ObjectInputStream in = new ObjectInputStream(fileIn)) {
device_linking = (DeviceLinkingData) in.readObject();
System.out.println("DEVICE LINKING DEBUG = \n" + device_linking);
flag_extract_device = true;
} catch (IOException i) {
flag_extract_device = false;
System.out.println("IOException : " + i.getMessage());
} catch (ClassNotFoundException c) {
flag_extract_device = false;
System.out.println("DeviceLinkingData class not found " + c.getMessage());
}
} else {
flag_extract_user = false;
flag_extract_device = false;
System.out.println("CRC inCorrect");
}
// Check if the extraction of the owner is done succesfully, create the class DeviceLinkedData
if (flag_extract_user && flag_extract_device) {
id_device = device_linking.getDeviceIdentifiant();
if (id_device != null) {
System.out.println("Identifiant du Device partagé = " + id_device);
} else {
System.out.println("Identifiant du Device partagé est null");
id_device = "TOTO";
}
// Create the DeviceLinkedData class
// device_linked = new DeviceLinkedData (user,device_linking, id_device, key);
// device_linked = new DeviceLinkedData (accredited_user,device_linking, id_device,
// key_accredited);
device_linked =
new DeviceLinkedData(accredited_user, device, id_sesame_sharer, key_accredited);
flag_creating_device = true;
System.out.println("DEVICE LINKED DEBUG = \n" + device_linked);
System.out.println("device_linked.getDeviceId() = " + device_linked.getDeviceId());
} else {
flag_creating_device = false;
}
// Check if the class "DeviceLinkedData" is created correctly
if (flag_creating_device) {
// Make the deserialization of the table file which is the database of the device
File file = new File("identifiant_and_key_table.ser");
try (FileInputStream fileIn = new FileInputStream(file);
ObjectInputStream in = new ObjectInputStream(fileIn)) {
table_temp = (IdentifiantAndKeyTable) in.readObject();
// Add the device link information on the table
table_temp.addDeviceForLink(device_linked);
System.out.println("Content of the table after");
System.out.println(table_temp);
flag_serialization = true;
} catch (IOException i) {
flag_serialization = false;
System.out.println("IOException : " + i.getMessage());
} catch (ClassNotFoundException c) {
flag_serialization = false;
System.out.println("IdentifiantAndKeyTable class not found");
}
} else {
System.out.println(
"'identifiant_and_key_table.ser' file is not found in the current directory");
flag_serialization = false;
}
// Check if the flag serialization is correct then make the serialization in the file
if (flag_serialization) {
// Make the serialization to save the new added device on the table
File file = new File("identifiant_and_key_table.ser");
try (FileOutputStream fileOut = new FileOutputStream(file);
ObjectOutputStream out = new ObjectOutputStream(fileOut)) {
out.writeObject(table_temp);
// End of the Serialization for IdentifiantAndKeyTable
System.out.println(
"Serialized of the new IdentifiantAndKeyTable is saved in identifiant_and_key_table.ser");
flag_end = true;
} catch (IOException io) {
flag_end = false;
System.out.println("Exception for IdentifiantAndKeyTable : " + io.getMessage());
System.out.println(
"Serialized of the new IdentifiantAndKeyTable is not done : check error");
}
} else {
flag_end = false;
System.out.println(
"impossible to read the 'identifiant_and_key_table.ser' file or the file is not found");
}
return flag_end;
}