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Package.cs

//
// Package.cs
//
// Author:
//   Lluis Sanchez Gual
//
// Copyright (C) 2007 Novell, Inc (http://www.novell.com)
//
// 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.IO;
using Mono.Addins.Description;

namespace Mono.Addins.Setup
{
      public abstract class Package
      {
            internal Package ()
            {
            }
            
            public abstract string Name { get; }
            
            // Returns true if the package will be installed in the shared directory,
            // false if it will be installed in the user directory.
            public virtual bool SharedInstall {
                  get { return false; }
            }
            
            public static Package FromRepository (AddinRepositoryEntry repAddin)
            {
                  return AddinPackage.PackageFromRepository (repAddin);
            }
            
            public static Package FromFile (string file)
            {
                  return AddinPackage.PackageFromFile (file);
            }
            
            
            internal abstract void Resolve (IProgressMonitor monitor, AddinStore service, PackageCollection toInstall, PackageCollection toUninstall, PackageCollection required, DependencyCollection unresolved);
            
            internal abstract void PrepareInstall (IProgressMonitor monitor, AddinStore service);
            internal abstract void CommitInstall (IProgressMonitor monitor, AddinStore service);
            internal abstract void RollbackInstall (IProgressMonitor monitor, AddinStore service);
            
            internal abstract void PrepareUninstall (IProgressMonitor monitor, AddinStore service);
            internal abstract void CommitUninstall (IProgressMonitor monitor, AddinStore service);
            internal abstract void RollbackUninstall (IProgressMonitor monitor, AddinStore service);
            
            internal abstract bool IsUpgradeOf (Package p);
            
            internal virtual void EndInstall (IProgressMonitor monitor, AddinStore service)
            {
            }
            
            internal virtual void EndUninstall (IProgressMonitor monitor, AddinStore service)
            {
            }
            
            internal string CreateTempFolder ()
            {
                  string bname = Path.Combine (Path.GetTempPath (), "mdtmp");
                  string tempFolder = bname;
                  int n = 0;
                  while (Directory.Exists (tempFolder))
                        tempFolder = bname + (++n);
                  return tempFolder;
            }
      }
}

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