public static String findUrl(PsiFile file, int offset, String uri) {
final PsiElement currentElement = file.findElementAt(offset);
final XmlAttribute attribute = PsiTreeUtil.getParentOfType(currentElement, XmlAttribute.class);
if (attribute != null) {
final XmlTag tag = PsiTreeUtil.getParentOfType(currentElement, XmlTag.class);
if (tag != null) {
final String prefix = tag.getPrefixByNamespace(XmlUtil.XML_SCHEMA_INSTANCE_URI);
if (prefix != null) {
final String attrValue =
tag.getAttributeValue(XmlUtil.SCHEMA_LOCATION_ATT, XmlUtil.XML_SCHEMA_INSTANCE_URI);
if (attrValue != null) {
final StringTokenizer tokenizer = new StringTokenizer(attrValue);
while (tokenizer.hasMoreElements()) {
if (uri.equals(tokenizer.nextToken())) {
if (!tokenizer.hasMoreElements()) return uri;
final String url = tokenizer.nextToken();
return url.startsWith(HTTP_PROTOCOL) ? url : uri;
}
if (!tokenizer.hasMoreElements()) return uri;
tokenizer.nextToken(); // skip file location
}
}
}
}
}
return uri;
}
public String getName(PsiElement context) {
if (context == null) {
return getName();
}
final String form = myTag.getAttributeValue("form");
boolean isQualifiedAttr = QUALIFIED_ATTR_VALUE.equals(form);
final XmlTag rootTag = (((XmlFile) myTag.getContainingFile())).getRootTag();
assert rootTag != null;
String targetNs = rootTag.getAttributeValue("targetNamespace");
XmlTag contextTag = (XmlTag) context;
String name = getName();
boolean attributeShouldBeQualified = false;
String contextNs = contextTag.getNamespace();
if (targetNs != null && !contextNs.equals(targetNs)) {
final XmlElementDescriptor xmlElementDescriptor = contextTag.getDescriptor();
if (xmlElementDescriptor instanceof XmlElementDescriptorImpl) {
final XmlElementDescriptorImpl elementDescriptor =
(XmlElementDescriptorImpl) xmlElementDescriptor;
final TypeDescriptor type = elementDescriptor.getType();
if (type instanceof ComplexTypeDescriptor) {
final ComplexTypeDescriptor typeDescriptor = (ComplexTypeDescriptor) type;
attributeShouldBeQualified =
typeDescriptor.canContainAttribute(targetNs, null)
!= ComplexTypeDescriptor.CanContainAttributeType.CanNotContain;
}
if (!attributeShouldBeQualified && contextNs.length() == 0 && targetNs.length() > 0) {
attributeShouldBeQualified = !targetNs.equals(elementDescriptor.getNamespace());
}
}
}
if (targetNs != null
&& (isQualifiedAttr
|| QUALIFIED_ATTR_VALUE.equals(rootTag.getAttributeValue("attributeFormDefault"))
|| attributeShouldBeQualified)) {
final String prefixByNamespace = contextTag.getPrefixByNamespace(targetNs);
if (prefixByNamespace != null && prefixByNamespace.length() > 0) {
name = prefixByNamespace + ":" + name;
}
}
return name;
}
static String getQualifiedAttributeName(PsiElement context, XmlName xmlName) {
final String localName = xmlName.getLocalName();
if (context instanceof XmlTag) {
final XmlTag tag = (XmlTag) context;
final DomInvocationHandler handler =
DomManagerImpl.getDomManager(context.getProject()).getDomHandler(tag);
if (handler != null) {
final String ns =
handler.createEvaluatedXmlName(xmlName).getNamespace(tag, handler.getFile());
if (!ns.equals(XmlUtil.EMPTY_URI) && !ns.equals(tag.getNamespace())) {
final String prefix = tag.getPrefixByNamespace(ns);
if (StringUtil.isNotEmpty(prefix)) {
return prefix + ":" + localName;
}
}
}
}
return localName;
}