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[disco] Add DisocverInfo.nullSafeContainsFuture(DiscoverInfo, CharSequence)

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This commit is contained in:
Florian Schmaus 2021-09-27 13:55:52 +02:00
parent 1564b98d60
commit 49ad8c0954
1 changed files with 8 additions and 0 deletions
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8
smack-extensions/src/main/java/org/jivesoftware/smackx/disco/packet/DiscoverInfo.java
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@ -258,6 +258,14 @@ public class DiscoverInfo extends IQ implements DiscoverInfoView {
return features.contains(new Feature(feature));
}
public static boolean nullSafeContainsFeature(DiscoverInfo discoverInfo, CharSequence feature) {
if (discoverInfo == null) {
return false;
}
return discoverInfo.containsFeature(feature);
}
@Override
protected IQChildElementXmlStringBuilder getIQChildElementBuilder(IQChildElementXmlStringBuilder xml) {
xml.optAttribute("node", getNode());