/// <summary>Loads a JSON Schema from a given file path (only available in .NET 4.x).</summary>
/// <param name="filePath">The file path.</param>
/// <returns>The JSON Schema.</returns>
public static JsonSchema4 FromFile(string filePath)
{
var data = FullDotNetMethods.FileReadAllText(filePath);
var rootDirectory = FullDotNetMethods.PathGetDirectoryName(filePath);
return(FromJson(data, rootDirectory));
}
/// <summary>Gets the object from the given JSON path.</summary>
/// <param name="root">The root object.</param>
/// <param name="path">The JSON path.</param>
/// <returns>The object or <c>null</c> when the object could not be found.</returns>
/// <exception cref="InvalidOperationException">Could not resolve the path.</exception>
/// <exception cref="NotSupportedException">Could not resolve the path.</exception>
public static JsonSchema4 GetObjectFromJsonPath(object root, string path)
{
if (path == "#")
{
if (root is JsonSchema4)
{
return((JsonSchema4)root);
}
throw new InvalidOperationException("Could not resolve the path '#' because the root object is not a JsonSchema4.");
}
else if (path.StartsWith("#/"))
{
var allSegments = path.Split('/').Skip(1).ToList();
var schema = GetObjectFromJsonPath(root, allSegments, allSegments, new HashSet <object>());
if (schema == null)
{
throw new InvalidOperationException("Could not resolve the path '" + path + "'.");
}
return(schema);
}
else if (path.StartsWith("http://") || path.StartsWith("https://"))
{
if (FullDotNetMethods.SupportsFullDotNetMethods)
{
return(JsonSchema4.FromJson(FullDotNetMethods.HttpGet(path)));
}
else
{
throw new NotSupportedException("Could not resolve the path '" + path +
"' because JSON web references are not supported on this platform.");
}
}
else
{
if (FullDotNetMethods.SupportsFullDotNetMethods)
{
var schema = root as JsonSchema4;
if (schema != null && schema.RootDirectory != null)
{
return(JsonSchema4.FromJson(FullDotNetMethods.FileReadAllText(FullDotNetMethods.PathCombine(schema.RootDirectory, path))));
}
else
{
throw new NotSupportedException("Could not resolve the path '" + path +
"' because no root path is available.");
}
}
else
{
throw new NotSupportedException("Could not resolve the path '" + path +
"' because JSON file references are not supported on this platform.");
}
}
}
