/**
* @param xcomputer
* @return
* @author Julius Huelsmann
* @version %I%, %U%
* @since 1.0
*/
private boolean addComputer(final ComputerRemote xcomputer) {
if (xcomputer == null || computer == null) {
View.print(getClass() + "Fehler.");
return false;
}
for (int i = 0; i < computer.size(); i++) {
//
// In case the computer has already been added or the computer to add
// is the local computer, return false.
if (xcomputer.matches(computer.get(i))) {
return false;
} else if (xcomputer.getUid().equals(getUid())) {
return false;
}
}
Staticio.skipPort(xcomputer.getPort());
computer.add(xcomputer);
setChanged();
notifyObservers(new Object[] {View.ID_UPDATE_COMPUTER, computer});
save(Constants.getConfigLocal());
return true;
}
/**
* Generate information string on the local computer configuration (includes {@link #computer},
* {@link #repositories}, {@link #combination}).
*
* @return whether new changes have occurred due to the update.
* @author Julius Huelsmann
* @version %I%, %U%
* @since 1.0
*/
public boolean convertInformationString(final String xstring, final String xadr) {
// go through all the identifiers and generate Vector of Computers,
// Repositories and Link-Combinations
boolean changesOccurred = false;
//
// Fetch information from string
final int occurr1 = xstring.indexOf(Utils.invalidCharLevel1);
final String remoteUid = xstring.substring(0, occurr1);
final String rest00 = xstring.substring(occurr1 + 1, xstring.length());
final String port = rest00.substring(0, rest00.indexOf(Utils.invalidCharLevel1));
final int iport = Integer.parseInt(port);
boolean found = false;
for (int i = 0; i < computer.size(); i++) {
if (computer.get(i).getUid().equals(remoteUid)) {
found = true;
if (computer.get(i).getPort() != iport
|| computer.get(i).getAddress().equals(xadr)
|| computer.get(i).isConnected() == false) {
changesOccurred = true;
}
computer.get(i).setPort(iport);
computer.get(i).setAddress(xadr);
computer.get(i).setConnected(true);
computer.get(i).setContacted();
}
}
// if the computer has not been found inside the list of computers, add
// it.
if (!found) {
ComputerRemote cr = new ComputerRemote(remoteUid, xadr, iport);
cr.setConnected(true);
addComputer(cr);
changesOccurred = true;
cr.setContacted();
}
// TODO: Check whether the computer with the UID has already been added
// to the list of computers.
String remainingString =
xstring.substring(remoteUid.length() + port.length() + 2, xstring.length());
String strgComputer =
remainingString.substring(0, remainingString.indexOf(Utils.invalidCharLevel1));
remainingString =
remainingString.substring(strgComputer.length() + 1, remainingString.length());
String strgRepositories =
remainingString.substring(0, remainingString.indexOf(Utils.invalidCharLevel1));
remainingString =
remainingString.substring(strgRepositories.length() + 1, remainingString.length());
String strgCombination = remainingString;
//
// ComputerRemote
for (int i = strgComputer.indexOf(Utils.invalidCharLevel2);
i != -1;
i = strgComputer.indexOf(Utils.invalidCharLevel2)) {
final String strgComputerSingle = strgComputer.substring(0, i);
strgComputer = strgComputer.substring(i + 1, strgComputer.length());
ComputerRemote comp = ComputerRemote.convertInformationString(strgComputerSingle);
changesOccurred = addComputer(comp) || changesOccurred;
}
//
// Repository
for (int i = strgRepositories.indexOf(Utils.invalidCharLevel2);
i != -1;
i = strgRepositories.indexOf(Utils.invalidCharLevel2)) {
final String strgSingle = strgRepositories.substring(0, i);
strgRepositories = strgRepositories.substring(i + 1, strgRepositories.length());
Repository repo = Repository.convertInformationString(strgSingle);
changesOccurred = addRepository(repo) || changesOccurred;
}
//
// Links
// Important: the Links can ony be added to the vector of
for (int i = strgCombination.indexOf(Utils.invalidCharLevel2);
i != -1;
i = strgCombination.indexOf(Utils.invalidCharLevel2)) {
final String strgSingle = strgCombination.substring(0, i);
strgCombination = strgCombination.substring(i + 1, strgCombination.length());
Link clink = Link.convertInformationString(strgSingle, repositories, computer);
changesOccurred = addLink(clink) || changesOccurred;
}
View.print("Something changed: " + changesOccurred);
if (changesOccurred) {
changed();
}
// Return whether the above-created computers, combinations and
// repositories have been already added to list.
return changesOccurred;
}
/**
* Broadcast all information to specified computer.
*
* @param xcr the computerRemote which will receive the information.
* @author Julius Huelsmann
* @version %I%, %U%
* @since 1.0
*/
public void sendInformationTo(final ComputerRemote xcr) {
Staticio.sendStringServerinfoReply(xcr.getAddress(), xcr.getPort(), this);
}