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// BuildTaskFactory.cs
//
// Author:
// Atsushi Enomoto (atsushi@xamarin.com)
//
// Copyright (C) 2013 Xamarin Inc.
//
// 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.
//
using System;
using System.Threading;
using System.Threading.Tasks;
using System.Linq;
using Microsoft.Build.Framework;
using Microsoft.Build.Internal;
using System.Collections.Generic;
using Microsoft.Build.Execution;
namespace Microsoft.Build.Internal
{
class BuildTaskFactory
{
public BuildTaskFactory (BuildTaskDatabase builtInDatabase, BuildTaskDatabase perProjectDatabase)
{
this.built_in_database = builtInDatabase;
this.per_project_database = perProjectDatabase;
}
readonly BuildTaskDatabase built_in_database, per_project_database;
readonly List<ITaskFactory> task_factories = new List<ITaskFactory> ();
public void ResetCaches ()
{
task_factories.Clear ();
}
public ITask CreateTask (string name, IDictionary<string,string> factoryIdentityParameters, IBuildEngine engine)
{
Func<BuildTaskDatabase.TaskDescription,bool> fn = t => t.IsMatch (name);
var td = per_project_database.Tasks.FirstOrDefault (fn) ?? built_in_database.Tasks.FirstOrDefault (fn);
if (td == null)
throw new InvalidOperationException (string.Format ("Task '{0}' could not be found", name));
if (td.TaskFactoryType != null) {
var tf = task_factories.FirstOrDefault (f => f.GetType () == td.TaskFactoryType);
if (tf == null) {
tf = (ITaskFactory) Activator.CreateInstance (td.TaskFactoryType);
var tf2 = tf as ITaskFactory2;
if (tf2 != null)
tf2.Initialize (name, factoryIdentityParameters, td.TaskFactoryParameters, td.TaskBody, engine);
else
tf.Initialize (name, td.TaskFactoryParameters, td.TaskBody, engine);
task_factories.Add (tf);
}
return tf.CreateTask (engine);
}
else
return (ITask) Activator.CreateInstance (td.TaskType);
}
}
}
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