void ContactRegistry::toFile(QString const& filename) const {
QFile outputFile(filename);
if (!outputFile.open(QFile::WriteOnly | QFile::Text)) {
throw IllegalArgumentException() << QString("Could not open the specified contacts file for writing: %1").arg(filename).toStdString();
}
QTextStream outStream(&outputFile);
outStream.setCodec("UTF-8"); // change the file codec to UTF-8.
outStream << "# This is a comment line.\n";
outStream << "# Format of this file: \n";
outStream << "# IDENTITY : PUBKEY : Nickname\n";
outStream << "# where \n";
outStream << "# - IDENTITY is an eight character ID of the form [A-Z0-9]{8} and stands for a users public id,\n";
outStream << "# - PUBKEY is an 64 character key of the form [a-fA-F0-9]{64} and stands for a users 32-Byte long-term public key,\n";
outStream << "# - Nickname is an optional screen-name for the given identity.\n";
outStream << "# GROUPID : GROUPOWNER : IDENTITY, IDENTITY, IDENTITY : Group Name\n";
outStream << "# where \n";
outStream << "# - IDENTITY is an eight character ID of the form [A-Z0-9]{8} and stands for a users public id,\n";
outStream << "# - GROUPID is an 16 character key of the form [a-fA-F0-9]{16} and stands for a groups unique identifier,\n";
outStream << "# - GROUPOWNER is an IDENTITY and stands for a groups creator and owner,\n";
outStream << "# - Group Name is the displayed title of the group.\n";
accessMutex.lock();
// Convert identityToIdentityContactHashMap into a QMap for sorted output.
QMap<ContactId, IdentityContact*> sortedContactMap;
QHash<ContactId, IdentityContact*>::const_iterator itContacts = identityToIdentityContactHashMap.constBegin();
QHash<ContactId, IdentityContact*>::const_iterator endContacts = identityToIdentityContactHashMap.constEnd();
for (; itContacts != endContacts; ++itContacts) {
sortedContactMap.insert(itContacts.key(), itContacts.value());
}
QMap<ContactId, IdentityContact*>::const_iterator itSortedContacts = sortedContactMap.constBegin();
QMap<ContactId, IdentityContact*>::const_iterator endSortedContacts = sortedContactMap.constEnd();
for (; itSortedContacts != endSortedContacts; ++itSortedContacts) {
IdentityContact* ic = itSortedContacts.value();
QString nickname = ic->getNickname();
if (nickname.isNull() || nickname.isEmpty()) {
nickname = "";
}
outStream << ic->getContactId().toQString() << " : " << QString(ic->getPublicKey().getPublicKey().toHex()) << " : " << nickname << "\n";
}
// Convert identityToGroupContactHashMap into a QMap for sorted output.
QMap<GroupId, GroupContact*> sortedGroupMap;
QHash<GroupId, GroupContact*>::const_iterator itGroups = identityToGroupContactHashMap.constBegin();
QHash<GroupId, GroupContact*>::const_iterator endGroups = identityToGroupContactHashMap.constEnd();
for (; itGroups != endGroups; ++itGroups) {
sortedGroupMap.insert(itGroups.key(), itGroups.value());
}
QMap<GroupId, GroupContact*>::const_iterator itSortedGroups = sortedGroupMap.constBegin();
QMap<GroupId, GroupContact*>::const_iterator endSortedGroups = sortedGroupMap.constEnd();
for (; itSortedGroups != endSortedGroups; ++itSortedGroups) {
GroupContact* gc = itSortedGroups.value();
QSet<ContactId> const& members = gc->getGroupMembers();
QSet<ContactId>::const_iterator membersIt = members.constBegin();
QSet<ContactId>::const_iterator membersEnd = members.constEnd();
QStringList memberIds;
for (; membersIt != membersEnd; ++membersIt) {
memberIds.append(membersIt->toQString());
}
memberIds.sort(Qt::CaseInsensitive);
outStream << gc->getGroupId().toContactFileFormat() << " : " << memberIds.join(',') << " : " << gc->getContactName() << "\n";
}
accessMutex.unlock();
outputFile.close();
}
