private static PsiFile resolveByLocation(PsiFile baseFile, String location) {
    if (baseFile instanceof XmlFile) {
      XmlTag tag = ((XmlFile)baseFile).getRootTag();
      if (tag != null) {
        XmlAttribute attribute = tag.getAttribute("schemaLocation", XmlUtil.XML_SCHEMA_INSTANCE_URI);
        if (attribute != null) {
          XmlAttributeValue element = attribute.getValueElement();
          if (element != null) {
            PsiReference[] references = element.getReferences();
            for (PsiReference reference : references) {
              if (location.equals(reference.getCanonicalText())) {
                PsiElement resolve = reference.resolve();
                return resolve instanceof PsiFile ? (PsiFile)resolve : null;
              }
            }
          }
        }
      }
    }
    return null;
  }
private static PsiFile resolveByLocation(PsiFile baseFile, String location)