75 lines
2.6 KiB
Java
75 lines
2.6 KiB
Java
package org.mercury_im.messenger.usecase;
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import org.jivesoftware.smack.AbstractXMPPConnection;
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import org.jivesoftware.smack.SmackException;
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import org.jivesoftware.smack.XMPPException;
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import org.jivesoftware.smack.sasl.SASLErrorException;
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import org.mercury_im.messenger.xmpp.MercuryConnection;
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import java.io.IOException;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import io.reactivex.Completable;
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import io.reactivex.Single;
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public class LogIntoAccount {
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public enum ConnectionResult {
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success,
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credential_error,
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server_error,
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other_error
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}
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private static final Logger LOGGER = Logger.getLogger(LogIntoAccount.class.getName());
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private final MercuryConnection connection;
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private LogIntoAccount(MercuryConnection connection) {
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this.connection = connection;
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}
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public static LogIntoAccount with(MercuryConnection connection) {
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if (connection == null) {
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throw new NullPointerException("MercuryConnection cannot be null.");
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}
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return new LogIntoAccount(connection);
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}
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public Completable executeAndPossiblyThrow() {
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return Completable.fromAction(this::doAuthenticateIfNecessary);
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}
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public Single<ConnectionResult> execute() {
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return Single.fromCallable(this::authenticateIfNecessary);
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}
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private ConnectionResult authenticateIfNecessary() {
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try {
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doAuthenticateIfNecessary();
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return ConnectionResult.success;
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} catch (SASLErrorException e) {
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LOGGER.log(Level.WARNING, "SASL Error while connecting to account " + connection.getAccount().getAddress(), e);
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return ConnectionResult.credential_error;
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} catch (SmackException.ConnectionException e) {
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LOGGER.log(Level.WARNING, "Connectivity error while connecting to account " + connection.getAccount().getAddress(), e);
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return ConnectionResult.server_error;
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}
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catch (IOException | XMPPException | SmackException | InterruptedException e) {
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LOGGER.log(Level.WARNING, "Error connecting to account " + connection.getAccount().getAddress(), e);
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return ConnectionResult.other_error;
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}
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}
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private void doAuthenticateIfNecessary()
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throws InterruptedException, XMPPException, SmackException, IOException {
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if (!connection.getConnection().isAuthenticated()) {
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LOGGER.log(Level.INFO, "Logging in");
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((AbstractXMPPConnection) connection.getConnection()).connect().login();
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LOGGER.log(Level.INFO, "Login complete");
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}
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}
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}
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