用于生成 Office 文件的 .NET 组件。
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/* ====================================================================
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You 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.
==================================================================== */
namespace Npoi.Core
{
using Npoi.Core.HPSF;
using Npoi.Core.HPSF.Extractor;
/// <summary>
/// Common Parent for OLE2 based Text Extractors
/// of POI Documents, such as .doc, .xls
/// You will typically find the implementation of
/// a given format's text extractor under Npoi.Core.Format.Extractor
/// </summary>
/// <remarks>
/// @see org.apache.poi.hssf.extractor.ExcelExtractor
/// @see org.apache.poi.hslf.extractor.PowerPointExtractor
/// @see org.apache.poi.hdgf.extractor.VisioTextExtractor
/// @see org.apache.poi.hwpf.extractor.WordExtractor
/// </remarks>
public abstract class POIOLE2TextExtractor : POITextExtractor
{
/// <summary>
/// Creates a new text extractor for the given document
/// </summary>
/// <param name="document"></param>
public POIOLE2TextExtractor(POIDocument document)
: base(document)
{
}
/// <summary>
/// Returns the document information metadata for the document
/// </summary>
/// <value>The doc summary information.</value>
public virtual DocumentSummaryInformation DocSummaryInformation
{
get
{
return document.DocumentSummaryInformation;
}
}
/// <summary>
/// Returns the summary information metadata for the document
/// </summary>
/// <value>The summary information.</value>
public virtual SummaryInformation SummaryInformation
{
get
{
return document.SummaryInformation;
}
}
/// <summary>
/// Returns an HPSF powered text extractor for the
/// document properties metadata, such as title and author.
/// </summary>
/// <value></value>
public override POITextExtractor MetadataTextExtractor
{
get
{
return new HPSFPropertiesExtractor(this);
}
}
}
}