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/**
* @file CustomResolver.cs
* @brief Demonstrates implementation of a custom resolver for comp models
* @author Frank Bergmann
*
* <!--------------------------------------------------------------------------
* This sample program is distributed under a different license than the rest
* of libSBML. This program uses the open-source MIT license, as follows:
*
* Copyright (c) 2013-2018 by the California Institute of Technology
* (California, USA), the European Bioinformatics Institute (EMBL-EBI, UK)
* and the University of Heidelberg (Germany), with support from the National
* Institutes of Health (USA) under grant R01GM070923. All rights reserved.
*
* 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.
*
* Neither the name of the California Institute of Technology (Caltech), nor
* of the European Bioinformatics Institute (EMBL-EBI), nor of the University
* of Heidelberg, nor the names of any contributors, may be used to endorse
* or promote products derived from this software without specific prior
* written permission.
* ------------------------------------------------------------------------ -->
*/
using System;
using System.Net;
using libsbmlcs;
public class CustomResolver : SBMLResolver
{
public CustomResolver()
: base()
{
}
public CustomResolver(CustomResolver orig)
: base(orig)
{
}
public override
SBMLResolver clone()
{
return new CustomResolver(this);
}
public override
SBMLDocument resolve(String uri, String baseUri)
{
try
{
WebClient wc = new WebClient();
string content = wc.DownloadString(uri);
return libsbml.readSBMLFromString(content);
}
catch
{
// couldn't download file handle this somehow
return null;
}
}
public override
SBMLUri resolveUri(String uri, String baseUri)
{
SBMLUri uriObject = new SBMLUri(uri);
if (uriObject.getScheme() != "http") return null;
return uriObject;
}
public static void Main(String[] args)
{
if (!SBMLExtensionRegistry.isPackageEnabled("comp"))
{
Console.WriteLine("This copy of libSBML does not contain the 'comp' extension");
Console.WriteLine("Unable to proceed with the resolver example the model.");
Environment.Exit(2);
}
// create custom resolver
CustomResolver resolver = new CustomResolver();
// add the resolver and store its index, so we can free it later.
int index = SBMLResolverRegistry.getInstance().addResolver(resolver);
// create a new document with comp enabled
SBMLDocument doc = new SBMLDocument(new CompPkgNamespaces());
// get a hold of a plugin object
CompSBMLDocumentPlugin plugin = (CompSBMLDocumentPlugin)doc.getPlugin("comp");
// create an external model definition
ExternalModelDefinition external = plugin.createExternalModelDefinition();
// set the source to the URI
external.setSource("http://www.ebi.ac.uk/biomodels-main/download?mid=BMID000000063853");
// resolve the model
Model model = external.getReferencedModel();
if (model == null)
{
Console.Error.WriteLine("couldn't resolve");
Environment.Exit(2);
}
// model is ready to be used now, however, only as long and the document
// holding the external model definition is still alive and referenced
Console.WriteLine("Model id: " + model.getId());
Console.WriteLine("# species: " + model.getNumSpecies());
Console.WriteLine("# reactions: " + model.getNumReactions());
// now that we are done get rid of the resolver
SBMLResolverRegistry.getInstance().removeResolver(index);
// also clear the resolver instance, just to be sure that it has
// no more references to the C# resolver
SBMLResolverRegistry.deleteResolerRegistryInstance();
// finally we can get rid of the C# resolver
resolver = null;
}
}
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