| /* ==================================================================== |
| 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. |
| ==================================================================== */ |
| |
| package org.apache.poi.poifs.poibrowser; |
| |
| import java.io.*; |
| import org.apache.poi.poifs.filesystem.*; |
| |
| /** |
| * <p>Describes the most important (whatever that is) features of a |
| * {@link POIFSDocument}.</p> |
| */ |
| public class DocumentDescriptor |
| { |
| String name; |
| POIFSDocumentPath path; |
| DocumentInputStream stream; |
| |
| int size; |
| byte[] bytes; |
| |
| |
| /** |
| * <p>Creates a {@link DocumentDescriptor}.</p> |
| * |
| * @param name The stream's name. |
| * |
| * @param path The stream's path in the POI filesystem hierarchy. |
| * |
| * @param stream The stream. |
| * |
| * @param nrOfBytes The maximum number of bytes to display in a |
| * dump starting at the beginning of the stream. |
| */ |
| public DocumentDescriptor(final String name, |
| final POIFSDocumentPath path, |
| final DocumentInputStream stream, |
| final int nrOfBytes) |
| { |
| this.name = name; |
| this.path = path; |
| this.stream = stream; |
| try |
| { |
| size = stream.available(); |
| if (stream.markSupported()) |
| { |
| stream.mark(nrOfBytes); |
| final byte[] b = new byte[nrOfBytes]; |
| final int read = stream.read(b, 0, Math.min(size, b.length)); |
| bytes = new byte[read]; |
| System.arraycopy(b, 0, bytes, 0, read); |
| stream.reset(); |
| } |
| } |
| catch (IOException ex) |
| { |
| System.out.println(ex); |
| } |
| } |
| |
| } |