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//
// NullProgressMonitor.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.Collections;
using System.Threading;
using System.IO;
namespace Mono.Addins.Setup.ProgressMonitoring
{
internal class NullProgressMonitor: MarshalByRefObject, IProgressMonitor
{
bool done, canceled;
ArrayList errors;
ArrayList warnings;
ArrayList messages;
public string[] Messages {
get {
if (messages != null)
return (string[]) messages.ToArray (typeof(string));
else
return new string [0];
}
}
public string[] Warnings {
get {
if (warnings != null)
return (string[]) warnings.ToArray (typeof(string));
else
return new string [0];
}
}
public ProgressError[] Errors {
get {
if (errors != null)
return (ProgressError[]) errors.ToArray (typeof(ProgressError));
else
return new ProgressError [0];
}
}
public virtual void BeginTask (string name, int totalWork)
{
}
public virtual void EndTask ()
{
}
public virtual void BeginStepTask (string name, int totalWork, int stepSize)
{
}
public virtual void Step (int work)
{
}
public virtual TextWriter Log {
get { return TextWriter.Null; }
}
public virtual void ReportSuccess (string message)
{
if (messages == null)
messages = new ArrayList ();
messages.Add (message);
}
public virtual void ReportWarning (string message)
{
if (warnings == null)
warnings = new ArrayList ();
messages.Add (message);
}
public virtual void ReportError (string message, Exception ex)
{
if (errors == null)
errors = new ArrayList ();
if (message == null && ex != null)
message = ex.Message;
else if (message != null && ex != null) {
if (!message.EndsWith (".")) message += ".";
message += " " + ex.Message;
}
errors.Add (new ProgressError (message, ex));
}
public bool IsCancelRequested {
get { return canceled; }
}
public void Cancel ()
{
canceled = true;
}
public virtual int LogLevel {
get { return 1; }
}
public virtual void Dispose ()
{
lock (this) {
if (done) return;
done = true;
}
OnCompleted ();
}
protected virtual void OnCompleted ()
{
}
}
internal class ProgressError
{
Exception ex;
string message;
public ProgressError (string message, Exception ex)
{
this.ex = ex;
this.message = message;
}
public string Message {
get { return message; }
}
public Exception Exception {
get { return ex; } }
}
}
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