XPathExpressionHelper.java 文件源码

@Nullable
public static Double evalXPathToNumber (@Nullable final XPathVariableResolver aVariableResolver,
                                        @Nullable final XPathFunctionResolver aFunctionResolver,
                                        @Nullable final NamespaceContext aNamespaceContext,
                                        @Nonnull final String sXPath,
                                        @Nonnull final Document aDoc)
{
  return evalXPathToNumber (XPathHelper.createNewXPath (aVariableResolver, aFunctionResolver, aNamespaceContext),
                            sXPath,
                            aDoc);
}