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Add RosterUtil.preApproveSubscriptionIfRequiredAndPossible()

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This commit is contained in:
Florian Schmaus 2017-11-06 19:00:36 +01:00
parent 1d52a0c8ef
commit 9a34e9e870
1 changed files with 28 additions and 0 deletions
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28
smack-im/src/main/java/org/jivesoftware/smack/roster/RosterUtil.java
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@ -23,6 +23,7 @@ import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import org.jivesoftware.smack.SmackException.FeatureNotSupportedException;
import org.jivesoftware.smack.SmackException.NotConnectedException;
import org.jivesoftware.smack.SmackException.NotLoggedInException;
import org.jivesoftware.smack.XMPPConnection;
@ -86,6 +87,33 @@ public class RosterUtil {
}
}
/**
* Pre-approve the subscription if it is required and possible.
*
* @param roster The roster which should be used for the pre-approval.
* @param jid The XMPP address which should be pre-approved.
* @throws NotLoggedInException
* @throws NotConnectedException
* @throws InterruptedException
* @since 4.2.2
*/
public static void preApproveSubscriptionIfRequiredAndPossible(Roster roster, BareJid jid)
throws NotLoggedInException, NotConnectedException, InterruptedException {
if (!roster.isSubscriptionPreApprovalSupported()) {
return;
}
RosterEntry entry = roster.getEntry(jid);
if (entry == null || (!entry.canSeeMyPresence() && !entry.isApproved())) {
try {
roster.preApprove(jid);
} catch (FeatureNotSupportedException e) {
// Should never happen since we checked for the feature above.
throw new AssertionError(e);
}
}
}
public static void askForSubscriptionIfRequired(Roster roster, BareJid jid)
throws NotLoggedInException, NotConnectedException, InterruptedException {
RosterEntry entry = roster.getEntry(jid);