/
LoadCommand.cs
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/
LoadCommand.cs
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/*
// <copyright>
// dotNetRDF is free and open source software licensed under the MIT License
// -------------------------------------------------------------------------
//
// Copyright (c) 2009-2023 dotNetRDF Project (http://dotnetrdf.org/)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is furnished
// to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
// </copyright>
*/
using System;
using VDS.RDF.Parsing;
using VDS.RDF.Writing.Formatting;
namespace VDS.RDF.Update.Commands
{
/// <summary>
/// Represents the SPARQL Update LOAD command.
/// </summary>
public class LoadCommand : SparqlUpdateCommand
{
/// <summary>
/// Creates a new LOAD command.
/// </summary>
/// <param name="sourceUri">Source URI to load data from.</param>
/// <param name="graphName">Name of the graph to store data in. If null or omitted, the target is the default graph.</param>
/// <param name="silent">Whether errors loading should be suppressed.</param>
/// <param name="loader">The loader to use for retrieving and parsing data.</param>
public LoadCommand(Uri sourceUri, IRefNode graphName = null, bool silent = false, Loader loader = null)
: base(SparqlUpdateCommandType.Load)
{
if (sourceUri == null) throw new ArgumentNullException(nameof(sourceUri));
SourceUri = sourceUri;
TargetGraphName = graphName;
Silent = silent;
Loader = loader ?? new Loader();
}
/// <summary>
/// Creates a new LOAD command.
/// </summary>
/// <param name="sourceUri">Source URI to load data from.</param>
/// <param name="graphUri">Target URI for the Graph to store data in.</param>
/// <param name="silent">Whether errors loading should be suppressed.</param>
/// <param name="loader">The loader to use for retrieving and parsing data.</param>
[Obsolete("Replaced by LoadCommand(Uri, IRefNode, bool Loader)")]
public LoadCommand(Uri sourceUri, Uri graphUri, bool silent, Loader loader = null)
: this(sourceUri, graphUri == null ? null : new UriNode(graphUri), silent, loader)
{
}
/// <summary>
/// Creates a new LOAD command.
/// </summary>
/// <param name="sourceUri">Source URI to load data from.</param>
/// <param name="silent">Whether errors loading should be suppressed.</param>
[Obsolete("Replaced by LoadCommand(Uri, IRefNode, bool Loader)")]
public LoadCommand(Uri sourceUri, bool silent)
: this(sourceUri, (IRefNode)null, silent) { }
/// <summary>
/// Creates a new LOAD command.
/// </summary>
/// <param name="sourceUri">Source URI to load data from.</param>
/// <param name="targetUri">Target URI for the Graph to store data in.</param>
[Obsolete("Replaced by LoadCommand(Uri, IRefNode, bool Loader)")]
public LoadCommand(Uri sourceUri, Uri targetUri)
: this(sourceUri, targetUri, false) { }
/// <summary>
/// Creates a new LOAD command which operates on the Default Graph.
/// </summary>
/// <param name="sourceUri">Source URI to load data from.</param>
[Obsolete("Replaced by LoadCommand(Uri, IRefNode, bool Loader)")]
public LoadCommand(Uri sourceUri)
: this(sourceUri, null) { }
/// <summary>
/// Gets whether the Command affects a specific Graph.
/// </summary>
public override bool AffectsSingleGraph => true;
/// <summary>
/// Gets whether the Command affects a given Graph.
/// </summary>
/// <param name="graphUri">Graph URI.</param>
/// <returns></returns>
[Obsolete("Replaced by AffectsGraph(IRefNode)")]
public override bool AffectsGraph(Uri graphUri)
{
return AffectsGraph(graphUri == null ? null : new UriNode(graphUri));
}
/// <summary>
/// Gets whether the Command will potentially affect the given Graph.
/// </summary>
/// <param name="graphName">Graph name.</param>
/// <returns></returns>
public override bool AffectsGraph(IRefNode graphName)
{
return TargetGraphName == null || TargetGraphName.Equals(graphName);
}
/// <summary>
/// Gets the URI that data is loaded from.
/// </summary>
public Uri SourceUri { get; }
/// <summary>
/// Gets the URI of the Graph to load data into.
/// </summary>
[Obsolete("Replaced by TargetGraphName")]
public Uri TargetUri => ((IUriNode)TargetGraphName)?.Uri;
/// <summary>
/// Get the name of the graph to load data into.
/// </summary>
public IRefNode TargetGraphName { get; }
/// <summary>
/// Gets whether errors loading the data are suppressed.
/// </summary>
public bool Silent { get; }
/// <summary>
/// Get the loader to use for retrieving and parsing the data.
/// </summary>
public Loader Loader { get; }
/// <summary>
/// Processes the Command using the given Update Processor.
/// </summary>
/// <param name="processor">SPARQL Update Processor.</param>
public override void Process(ISparqlUpdateProcessor processor)
{
processor.ProcessLoadCommand(this);
}
/// <summary>
/// Gets the String representation of the Command.
/// </summary>
/// <returns></returns>
public override string ToString()
{
var silent = Silent ? "SILENT " : string.Empty;
var formatter = new SparqlFormatter();
return TargetGraphName == null
? $"LOAD {silent}<{formatter.FormatUri(SourceUri)}>"
: $"LOAD {silent}<{formatter.FormatUri(SourceUri)}> INTO {formatter.Format(TargetGraphName)}";
}
}
}