127 lines
4.4 KiB
Java
127 lines
4.4 KiB
Java
package org.mercury_im.messenger.xmpp;
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import org.jivesoftware.smack.AbstractXMPPConnection;
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import org.jivesoftware.smack.ConnectionListener;
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import org.jivesoftware.smack.SmackException;
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import org.jivesoftware.smack.XMPPConnection;
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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.entity.Account;
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import org.mercury_im.messenger.xmpp.exception.InvalidCredentialsException;
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import org.mercury_im.messenger.xmpp.exception.ServerUnreachableException;
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import org.mercury_im.messenger.xmpp.state.ConnectionState;
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import org.mercury_im.messenger.xmpp.state.ConnectivityState;
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import java.io.IOException;
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import java.util.UUID;
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import java.util.logging.Logger;
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import io.reactivex.Completable;
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import io.reactivex.Observable;
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import io.reactivex.subjects.BehaviorSubject;
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import lombok.Getter;
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public class MercuryConnection {
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private static final Logger LOGGER = Logger.getLogger("MercuryConnection");
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@Getter
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private XMPPConnection connection;
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@Getter
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private final Account account;
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private final BehaviorSubject<ConnectionState> state;
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public MercuryConnection(XMPPConnection connection, Account account) {
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this.connection = connection;
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this.account = account;
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this.state = BehaviorSubject.createDefault(new ConnectionState(account.getId(), this,
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ConnectivityState.disconnected, false, false));
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}
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public UUID getAccountId() {
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return getAccount().getId();
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}
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public Observable<ConnectionState> observeConnection() {
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return state;
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}
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public Completable connect() {
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if (getConnection().isConnected()) {
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return Completable.complete();
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}
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return Completable.fromAction(this::doConnect);
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}
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private void doConnect() throws ServerUnreachableException {
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AbstractXMPPConnection connection = (AbstractXMPPConnection) getConnection();
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try {
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connection.connect();
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} catch (SmackException.EndpointConnectionException e) {
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connection.disconnect();
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throw new ServerUnreachableException("Cannot connect to server " + connection.getXMPPServiceDomain().asUnescapedString(), e);
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} catch (IOException | InterruptedException | XMPPException | SmackException e) {
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throw new AssertionError("Unexpected exception.", e);
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}
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}
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public Completable login() {
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if (getConnection().isAuthenticated()) {
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return Completable.complete();
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}
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return Completable.fromAction(this::doLogin);
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}
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private void doLogin() throws InvalidCredentialsException, ServerUnreachableException {
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try {
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((AbstractXMPPConnection) getConnection()).login();
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} catch (SASLErrorException e) {
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throw new InvalidCredentialsException("Credentials of account " + account.getId() + " are invalid.", e);
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} catch (InterruptedException | XMPPException | SmackException | IOException e) {
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throw new AssertionError("Unexpected exception.", e);
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}
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}
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private final ConnectionListener connectionListener = new ConnectionListener() {
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@Override
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public void connected(XMPPConnection connection) {
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state.onNext(state.getValue()
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.withConnectivity(ConnectivityState.connected)
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.withAuthenticated(false));
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}
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@Override
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public void authenticated(XMPPConnection connection, boolean resumed) {
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state.onNext(state.getValue()
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.withConnectivity(ConnectivityState.connected)
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.withAuthenticated(true)
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.withResumed(resumed));
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}
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@Override
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public void connectionClosed() {
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state.onNext(state.getValue()
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.withConnectivity(ConnectivityState.disconnected)
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.withAuthenticated(false));
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}
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@Override
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public void connectionClosedOnError(Exception e) {
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state.onNext(state.getValue()
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.withConnectivity(ConnectivityState.disconnected)
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.withAuthenticated(false));
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}
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};
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public void shutdown() {
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if (connection.isConnected()) {
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((AbstractXMPPConnection) getConnection()).disconnect();
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} else {
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((AbstractXMPPConnection) getConnection()).instantShutdown();
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}
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}
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}
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