#region License
/*
* Copyright 2002-2005 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
#region Imports
using System;
using System.ComponentModel;
using Spring.Core;
using Spring.Core.TypeConversion;
using Spring.Util;
#endregion
namespace Spring.Objects.Support{
/// <summary>
/// Specialisation of the <see cref="MethodInvoker"/> class that tries
/// to convert the given arguments for the actual target method via an
/// appropriate <see cref="Spring.Objects.IObjectWrapper"/> implementation.
/// </summary>
/// <author>Juergen Hoeller</author>
/// <author>Rick Evans</author>
/// <seealso cref="MethodInvoker"/>
public class ArgumentConvertingMethodInvoker : MethodInvoker
{
#region Constructor (s) / Destructor
/// <summary>
/// Creates a new instance of the
/// <see cref="Spring.Objects.Support.ArgumentConvertingMethodInvoker"/> class.
/// </summary>
public ArgumentConvertingMethodInvoker()
{
}
#endregion
#region Properties
private ObjectWrapper Wrapper
{
get { return _wrapper; }
}
#endregion
#region Methods
/// <summary>
/// Prepare the specified method.
/// </summary>
/// <remarks>
/// <p>
/// The method can be invoked any number of times afterwards.
/// </p>
/// </remarks>
/// <exception cref="System.ArgumentException">
/// If all required properties are not set.
/// </exception>
/// <exception cref="System.MissingMethodException">
/// If the specified method could not be found.
/// </exception>
public override void Prepare()
{
base.Prepare();
// try to convert the arguments for the chosen method
Type[] requiredTypes = ReflectionUtils.GetParameterTypes(GetPreparedMethod());
object[] arguments = PreparedArguments;
object[] convertedArguments = new object[arguments.Length];
for (int i = 0; i < arguments.Length; ++i)
{
convertedArguments[i] = TypeConversionUtils.ConvertValueIfNecessary(requiredTypes[i], arguments[i], null);
}
PreparedArguments = convertedArguments;
}
/// <summary>
/// Register the given custom <see cref="System.ComponentModel.TypeConverter"/>
/// for all properties of the given <see cref="System.Type"/>.
/// </summary>
/// <param name="requiredType">
/// The <see cref="System.Type"/> of property.
/// </param>
/// <param name="typeConverter">
/// The <see cref="System.ComponentModel.TypeConverter"/> to register.
/// </param>
public virtual void RegisterCustomConverter(
Type requiredType, TypeConverter typeConverter)
{
TypeConverterRegistry.RegisterConverter(requiredType, typeConverter);
}
#endregion
#region Fields
private readonly ObjectWrapper _wrapper = new ObjectWrapper();
#endregion
}
}
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