@Nullable
public XmlAttribute getAttribute(String qname) {
if (qname == null) return null;
final XmlAttribute[] attributes = getAttributes();
final boolean caseSensitive = isCaseSensitive();
for (final XmlAttribute attribute : attributes) {
final LeafElement attrNameElement =
(LeafElement) XmlChildRole.ATTRIBUTE_NAME_FINDER.findChild(attribute.getNode());
if (attrNameElement != null
&& (caseSensitive && Comparing.equal(attrNameElement.getChars(), qname)
|| !caseSensitive && Comparing.equal(attrNameElement.getChars(), qname, false))) {
return attribute;
}
}
return null;
}
public XmlAttribute setAttribute(String qname, String value) throws IncorrectOperationException {
final XmlAttribute attribute = getAttribute(qname);
if (attribute != null) {
if (value == null) {
deleteChildInternal(attribute.getNode());
return null;
}
attribute.setValue(value);
return attribute;
} else if (value == null) {
return null;
} else {
PsiElement xmlAttribute =
add(XmlElementFactory.getInstance(getProject()).createXmlAttribute(qname, value));
while (!(xmlAttribute instanceof XmlAttribute)) xmlAttribute = xmlAttribute.getNextSibling();
return (XmlAttribute) xmlAttribute;
}
}