//
// Copyright (c) 2004,2005 Jaroslaw Kowalski <jkowalski@users.sourceforge.net>
//
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// * Neither the name of the Jaroslaw Kowalski nor the names of its
// contributors may be used to endorse or promote products derived from this
// software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
// THE POSSIBILITY OF SUCH DAMAGE.
//
using System;
using System.Text;
using System.Globalization;
namespace NLog.LayoutRenderers
{
/// <summary>
/// The date and time in a long, sortable format yyyy-MM-dd HH:mm:ss.mmm
/// </summary>
[LayoutRenderer("longdate")]
public class LongDateLayoutRenderer: LayoutRenderer
{
/// <summary>
/// Returns the estimated number of characters that are needed to
/// hold the rendered value for the specified logging event.
/// </summary>
/// <param name="ev">Logging event information.</param>
/// <returns>The number of characters.</returns>
/// <remarks>
/// If the exact number is not known or
/// expensive to calculate this function should return a rough estimate
/// that's big enough in most cases, but not too big, in order to conserve memory.
/// </remarks>
protected internal override int GetEstimatedBufferSize(LogEventInfo ev)
{
return 24;
}
private void Append2DigitsZeroPadded(StringBuilder builder, int number)
{
builder.Append((char)((number / 10) + '0'));
builder.Append((char)((number % 10) + '0'));
}
private void Append4DigitsZeroPadded(StringBuilder builder, int number)
{
builder.Append((char)((number / 1000 % 10) + '0'));
builder.Append((char)((number / 100 % 10) + '0'));
builder.Append((char)((number / 10 % 10) + '0'));
builder.Append((char)((number / 1 % 10) + '0'));
}
/// <summary>
/// Renders the date in the long format (yyyy-MM-dd HH:mm:ss.mmm) and appends it to the specified <see cref="StringBuilder" />.
/// </summary>
/// <param name="builder">The <see cref="StringBuilder"/> to append the rendered data to.</param>
/// <param name="ev">Logging event.</param>
protected internal override void Append(StringBuilder builder, LogEventInfo ev)
{
if (NeedPadding())
{
builder.Append(ApplyPadding(ev.TimeStamp.ToString("yyyy-MM-dd HH:mm:ss.ffff", CultureInfo)));
}
else
{
DateTime dt = ev.TimeStamp;
builder.Append(dt.Year);
builder.Append('-');
Append2DigitsZeroPadded(builder, dt.Month);
builder.Append('-');
Append2DigitsZeroPadded(builder, dt.Day);
builder.Append(' ');
Append2DigitsZeroPadded(builder, dt.Hour);
builder.Append(':');
Append2DigitsZeroPadded(builder, dt.Minute);
builder.Append(':');
Append2DigitsZeroPadded(builder, dt.Second);
builder.Append('.');
Append4DigitsZeroPadded(builder, (int)(dt.Ticks % 10000000) / 1000);
}
}
}
}