in src/main/java/org/apache/sling/xss/impl/xml/Attribute.java [45:59]
public Attribute(@JacksonXmlProperty(localName = "name", isAttribute = true) @NotNull String name,
@JacksonXmlProperty(localName = "regexp-list") List<Regexp> allowedRegexps,
@JacksonXmlProperty(localName = "literal-list") List<Literal> literalList,
@JacksonXmlProperty(localName = "onInvalid", isAttribute = true) String onInvalid,
@JacksonXmlProperty(localName = "description", isAttribute = true) String description) {
this.name = name.toLowerCase(AntiSamyConfigLocale.REGION);
this.description = Optional.ofNullable(description).orElse("");
this.onInvalid = onInvalid != null && onInvalid.length() > 0 ? onInvalid : AntiSamyActions.REMOVE_ATTRIBUTE_ON_INVALID;
this.regexpList = Optional.ofNullable(allowedRegexps)
.map(Collections::unmodifiableList)
.orElseGet(Collections::emptyList);
this.literalList = Optional.ofNullable(literalList)
.map(Collections::unmodifiableList)
.orElseGet(Collections::emptyList);
}