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Fix NPE in BoBIQ by adding XmlStringBuilder.optIntAttribute(String, Integer)

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The method was missing and hence BoBIQ used optIntAttribute(String,
int) instead, which resulted in an NPE if the Integer was null.

Fixes SMACK-895.
This commit is contained in:
Florian Schmaus 2021-01-06 13:45:13 +01:00
parent ca3679add9
commit fcc372754e
1 changed files with 16 additions and 0 deletions
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16
smack-core/src/main/java/org/jivesoftware/smack/util/XmlStringBuilder.java
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@ -390,6 +390,22 @@ public class XmlStringBuilder implements Appendable, CharSequence, Element {
return this;
}
/**
* If the provided Integer argument is not null, then add a new XML attribute with the given name and the Integer as
* value.
*
* @param name the XML attribute name.
* @param value the optional integer to use as the attribute's value.
* @return a reference to this object.
* @since 4.4.1
*/
public XmlStringBuilder optIntAttribute(String name, Integer value) {
if (value != null) {
attribute(name, value.toString());
}
return this;
}
/**
* Add the given attribute if value not null and {@code value => 0}.
*