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muc: synchronize Stats.create(Integer)
Since this method is used by the MUCUserProvider, it is potentially invoked concurrently and the access to the statusMap must be synchronized then.
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1 changed files with 8 additions and 4 deletions
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@ -420,10 +420,14 @@ public class MUCUser implements ExtensionElement {
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}
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public static Status create(Integer i) {
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Status status = statusMap.get(i);
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if (status == null) {
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status = new Status(i);
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statusMap.put(i, status);
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Status status;
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// TODO: Use computeIfAbsent once Smack's minimum required Android SDK level is 24 or higher.
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synchronized (statusMap) {
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status = statusMap.get(i);
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if (status == null) {
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status = new Status(i);
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statusMap.put(i, status);
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}
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}
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return status;
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}
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