#region License

/*
 * Copyright 2002-2009 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#endregion

using Common.Logging;
using NVelocity.Runtime;
using NVelocity.Runtime.Log;
using LogLevel=NVelocity.Runtime.Log.LogLevel;
using LogManager=Common.Logging.LogManager;

namespace Spring.Template.Velocity
{
    /// <summary>
    /// NVelocity LogSystem implementation for Commons Logging. 
    /// </summary>
    /// <author>Erez Mazor</author>
    public class CommonsLoggingLogSystem : ILogSystem {
        protected static readonly ILog log = LogManager.GetLogger(typeof(CommonsLoggingLogSystem));

        /// <summary>
        /// Initializes the specified runtime services.  No-op in current implementatin
        /// </summary>
        /// <param name="runtimeServices">the runtime services.</param>
        public void Init(IRuntimeServices runtimeServices) {
        }

        /// <summary>
        /// Log a NVelocity message using the commons logging system
        /// </summary>
        /// <param name="level">LogLevel to match</param>
        /// <param name="message">message to log</param>
        public void LogVelocityMessage(LogLevel level, string message) {
            switch (level) {
                case LogLevel.Error:
                    log.Error(message);
                    break;
                case LogLevel.Warn:
                    log.Warn(message);
                    break;
                case LogLevel.Info:
                    log.Info(message);
                    break;
                case LogLevel.Debug:
                    log.Debug(message);
                    break;
            }
        }
    }
}