#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.Reflection;
using System.Text;
using Spring.Util;
#endregion
namespace Spring.Objects.Factory.Support{
/// <summary>
/// Represents an override of a method that looks up an object in the same IoC context.
/// </summary>
/// <remarks>
/// <p>
/// Methods eligible for lookup override must not have arguments.
/// </p>
/// </remarks>
/// <author>Rod Johnson</author>
/// <author>Rick Evans (.NET)</author>
[Serializable]
public sealed class LookupMethodOverride : MethodOverride
{
private readonly string objectName;
/// <summary>
/// Creates a new instance of the
/// <see cref="Spring.Objects.Factory.Support.LookupMethodOverride"/> class.
/// </summary>
/// <remarks>
/// <p>
/// Methods eligible for lookup override must not have arguments.
/// </p>
/// </remarks>
/// <param name="methodName">
/// The name of the method that is to be overridden.
/// </param>
/// <param name="objectName">
/// The name of the object in the current IoC context that the
/// dependency injected method must return.
/// </param>
/// <exception cref="System.ArgumentNullException">
/// If either of the supplied arguments is <see langword="null"/> or
/// contains only whitespace character(s).
/// </exception>
public LookupMethodOverride(string methodName, string objectName)
: base(methodName)
{
AssertUtils.ArgumentHasText(objectName, "objectName");
this.objectName = objectName;
}
/// <summary>
/// The name of the object in the current IoC context that the
/// dependency injected method must return.
/// </summary>
public string ObjectName
{
get { return objectName; }
}
/// <summary>
/// Does this <see cref="Spring.Objects.Factory.Support.MethodOverride"/>
/// match the supplied <paramref name="method"/>?
/// </summary>
/// <param name="method">The method to be checked.</param>
/// <returns>
/// <see lang="true"/> if this override matches the supplied <paramref name="method"/>.
/// </returns>
/// <exception cref="System.ArgumentNullException">
/// If the supplied <paramref name="method"/> is <see langword="null"/>.
/// </exception>
public override bool Matches(MethodInfo method)
{
AssertUtils.ArgumentNotNull(method, "method");
return MethodName == method.Name || method.Name.EndsWith(MethodName);
}
/// <summary>
/// A <see cref="System.String"/> that represents the current
/// <see cref="System.Object"/>.
/// </summary>
/// <returns>
/// A <see cref="System.String"/> that represents the current
/// <see cref="System.Object"/>.
/// </returns>
public override string ToString()
{
return new StringBuilder(GetType().Name).Append(" for method '")
.Append(MethodName).Append("'; will return object '").Append(this.objectName)
.Append("'.").ToString();
}
}
}
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