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63 lines
2.2 KiB
63 lines
2.2 KiB
8 years ago
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/* ====================================================================
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Licensed To the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for Additional information regarding copyright ownership.
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The ASF licenses this file To You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed To in writing, software
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distributed under the License is distributed on an "AS Is" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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using NPOI.POIFS.FileSystem;
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using System.IO;
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using System;
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using System.Collections.Generic;
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namespace NPOI.HPSF
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{
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/**
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* A version of {@link POIDocument} which allows access to the
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* HPSF Properties, but no other document contents.
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* Normally used when you want to read or alter the Document Properties,
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* without affecting the rest of the file
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*/
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public class HPSFPropertiesOnlyDocument : POIDocument
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{
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public HPSFPropertiesOnlyDocument(NPOIFSFileSystem fs)
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: base(fs.Root)
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{
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}
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public HPSFPropertiesOnlyDocument(POIFSFileSystem fs)
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: base(fs)
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{
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}
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/**
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* Write out, with any properties changes, but nothing else
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*/
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public override void Write(Stream out1)
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{
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POIFSFileSystem fs = new POIFSFileSystem();
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// For tracking what we've written out, so far
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List<String> excepts = new List<String>(1);
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// Write out our HPFS properties, with any changes
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WriteProperties(fs, excepts);
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// Copy over everything else unchanged
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EntryUtils.CopyNodes(directory, fs.Root, excepts);
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// Save the resultant POIFSFileSystem to the output stream
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fs.WriteFileSystem(out1);
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}
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}
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}
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