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//------------------------------------------------------------------------------
// <copyright file="WebPageListener.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
using System;
using System.Web;
using System.Web.UI;
using System.Diagnostics;
using System.Globalization;
using System.Security.Permissions;
namespace System.Web {
[HostProtection(Synchronization=true)]
public class WebPageTraceListener : TraceListener {
public WebPageTraceListener() {
}
// the listener apis
public override void Write(string message)
{
if (Filter != null && !Filter.ShouldTrace(null, String.Empty, TraceEventType.Verbose, 0, message, null, null, null))
return;
HttpContext context = HttpContext.Current;
if (context != null) context.Trace.WriteInternal(message, false);
}
public override void Write(string message, string category)
{
if (Filter != null && !Filter.ShouldTrace(null, String.Empty, TraceEventType.Verbose, 0, message, null, null, null))
return;
HttpContext context = HttpContext.Current;
if (context != null) context.Trace.WriteInternal(category, message, false);
}
public override void WriteLine(string message)
{
if (Filter != null && !Filter.ShouldTrace(null, String.Empty, TraceEventType.Verbose, 0, message, null, null, null))
return;
HttpContext context = HttpContext.Current;
if (context != null) context.Trace.WriteInternal(message, false);
}
public override void WriteLine(string message, string category)
{
if (Filter != null && !Filter.ShouldTrace(null, String.Empty, TraceEventType.Verbose, 0, message, null, null, null))
return;
HttpContext context = HttpContext.Current;
if (context != null) context.Trace.WriteInternal(category, message, false);
}
public override void TraceEvent(TraceEventCache eventCache, String source, TraceEventType severity, int id, string message) {
if (Filter != null && !Filter.ShouldTrace(eventCache, source, severity, id, message, null, null, null))
return;
HttpContext context = HttpContext.Current;
if (context == null)
return;
string messagestring = SR.GetString(SR.WebPageTraceListener_Event) + " " + id + ": " + message;
if (severity <= TraceEventType.Warning)
context.Trace.WarnInternal(source, messagestring, false);
else
context.Trace.WriteInternal(source, messagestring, false);
}
public override void TraceEvent(TraceEventCache eventCache, String source, TraceEventType severity, int id, string format, params object[] args) {
TraceEvent(eventCache, source, severity, id, String.Format(CultureInfo.InvariantCulture, format, args));
}
}
}
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