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// Copyright 2009-2022 Josh Close
// This file is a part of CsvHelper and is dual licensed under MS-PL and Apache 2.0.
// See LICENSE.txt for details or visit http://www.opensource.org/licenses/ms-pl.html for MS-PL and http://opensource.org/licenses/Apache-2.0 for Apache 2.0.
// https://github.com/JoshClose/CsvHelper
using System.Dynamic;
using System.Reflection;
namespace CsvHelper.Expressions
{
/// <summary>
/// Factory to create record writers.
/// </summary>
public class RecordWriterFactory
{
private readonly CsvWriter writer;
private readonly ExpandoObjectRecordWriter expandoObjectRecordWriter;
private readonly DynamicRecordWriter dynamicRecordWriter;
private readonly PrimitiveRecordWriter primitiveRecordWriter;
private readonly ObjectRecordWriter objectRecordWriter;
/// <summary>
/// Initializes a new instance using the given writer.
/// </summary>
/// <param name="writer">The writer.</param>
public RecordWriterFactory(CsvWriter writer)
{
this.writer = writer;
expandoObjectRecordWriter = new ExpandoObjectRecordWriter(writer);
dynamicRecordWriter = new DynamicRecordWriter(writer);
primitiveRecordWriter = new PrimitiveRecordWriter(writer);
objectRecordWriter = new ObjectRecordWriter(writer);
}
/// <summary>
/// Creates a new record writer for the given record.
/// </summary>
/// <typeparam name="T">The type of the record.</typeparam>
/// <param name="record">The record.</param>
public virtual RecordWriter MakeRecordWriter<T>(T record)
{
var type = writer.GetTypeForRecord(record);
if (record is ExpandoObject expandoObject)
{
return expandoObjectRecordWriter;
}
if (record is IDynamicMetaObjectProvider dynamicObject)
{
return dynamicRecordWriter;
}
if (type.GetTypeInfo().IsPrimitive)
{
return primitiveRecordWriter;
}
return objectRecordWriter;
}
}
}
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