122 lines
4.4 KiB
Java
122 lines
4.4 KiB
Java
/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2000 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" must
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* not be used to endorse or promote products derived from this
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* software without prior written permission. For written
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* permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* nor may "Apache" appear in their name, without prior written
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* permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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* Portions of this software are based upon public domain software
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* originally written at the National Center for Supercomputing Applications,
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* University of Illinois, Urbana-Champaign.
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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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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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