#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 Spring.Expressions;
using Spring.Util;
#endregion
namespace Spring.Validation{
/// <summary>
/// Evaluates validator test using condition evaluator.
/// </summary>
/// <author>Aleksandar Seovic</author>
public class ConditionValidator : BaseSimpleValidator
{
#region Constructors
/// <summary>
/// Creates a new instance of the <see cref="ConditionValidator"/> class.
/// </summary>
public ConditionValidator()
{}
/// <summary>
/// Creates a new instance of the <see cref="ConditionValidator"/> class.
/// </summary>
/// <param name="test">The expression to validate.</param>
/// <param name="when">The expression that determines if this validator should be evaluated.</param>
public ConditionValidator(string test, string when) : base(test, when)
{
AssertUtils.ArgumentHasText(test, "test");
}
/// <summary>
/// Creates a new instance of the <see cref="ConditionValidator"/> class.
/// </summary>
/// <param name="test">The expression to validate.</param>
/// <param name="when">The expression that determines if this validator should be evaluated.</param>
public ConditionValidator(IExpression test, IExpression when) : base(test, when)
{
AssertUtils.ArgumentNotNull(test, "test");
}
#endregion
/// <summary>
/// Evaluates the test using condition evaluator.
/// </summary>
/// <remarks>
/// <p>
/// Test can be any logical expression that is supported by the Spring.NET logical
/// expression evaluation engine, and can use any variables that can be resolved
/// by the variable resolver used by the validation engine.
/// </p>
/// </remarks>
/// <param name="objectToValidate">The object to validate.</param>
/// <returns>
/// <see lang="true"/> if the supplied <paramref name="objectToValidate"/> is valid.
/// </returns>
protected override bool Validate(object objectToValidate)
{
return Convert.ToBoolean(objectToValidate);
}
}
}
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