86 lines
2.6 KiB
Java
86 lines
2.6 KiB
Java
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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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package org.apache.poi.contrib.poibrowser;
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import java.io.*;
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import org.apache.poi.poifs.filesystem.*;
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/**
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* <p>Describes the most important (whatever that is) features of a
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* {@link POIFSDocument}.</p>
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*
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* @author Rainer Klute (klute@rainer-klute.de)
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* @version $Id$
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* @since 2002-02-05
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* *
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* @author Rainer Klute <a
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* href="mailto:klute@rainer-klute.de"><klute@rainer-klute.de></a>
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*/
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public class DocumentDescriptor
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{
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String name;
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POIFSDocumentPath path;
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DocumentInputStream stream;
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int size;
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byte[] bytes;
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/**
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* <p>Creates a {@link DocumentDescriptor}.</p>
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*
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* @param name The stream's name.
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*
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* @param path The stream's path in the POI filesystem hierarchy.
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*
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* @param stream The stream.
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*
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* @param nrOfBytes The maximum number of bytes to display in a
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* dump starting at the beginning of the stream.
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*/
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public DocumentDescriptor(final String name,
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final POIFSDocumentPath path,
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final DocumentInputStream stream,
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final int nrOfBytes)
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{
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this.name = name;
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this.path = path;
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this.stream = stream;
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try
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{
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size = stream.available();
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if (stream.markSupported())
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{
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stream.mark(nrOfBytes);
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final byte[] b = new byte[nrOfBytes];
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final int read = stream.read(b, 0, Math.min(size, b.length));
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bytes = new byte[read];
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System.arraycopy(b, 0, bytes, 0, read);
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stream.reset();
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}
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}
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catch (IOException ex)
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{
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System.out.println(ex);
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}
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}
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}
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