| /* ==================================================================== |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2003 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" and |
| * "Apache POI" must not be used to endorse or promote products |
| * derived from this software without prior written permission. For |
| * written permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache", |
| * "Apache POI", nor may "Apache" appear in their name, without |
| * prior written permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package org.apache.poi.hpsf.basic; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.EOFException; |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.LinkedList; |
| import java.util.List; |
| import java.util.Properties; |
| |
| import org.apache.poi.poifs.eventfilesystem.POIFSReader; |
| import org.apache.poi.poifs.eventfilesystem.POIFSReaderEvent; |
| import org.apache.poi.poifs.eventfilesystem.POIFSReaderListener; |
| |
| |
| |
| /** |
| * <p>Static utility methods needed by the HPSF test cases.</p> |
| * |
| * @author Rainer Klute (klute@rainer-klute.de) |
| * @since 2002-07-20 |
| * @version $Id$ |
| */ |
| public class Util |
| { |
| |
| /** |
| * <p>Reads bytes from an input stream and writes them to an |
| * output stream until end of file is encountered.</p> |
| * |
| * @param in the input stream to read from |
| * @param out the output stream to write to |
| */ |
| public static void copy(final InputStream in, final OutputStream out) |
| throws IOException |
| { |
| final int BUF_SIZE = 1000; |
| byte[] b = new byte[BUF_SIZE]; |
| int read; |
| boolean eof = false; |
| while (!eof) |
| { |
| try |
| { |
| read = in.read(b, 0, BUF_SIZE); |
| if (read > 0) |
| out.write(b, 0, read); |
| else |
| eof = true; |
| } |
| catch (EOFException ex) |
| { |
| eof = true; |
| } |
| } |
| } |
| |
| |
| |
| /** |
| * <p>Reads all files from a POI filesystem and returns them as an |
| * array of {@link POIFile} instances. This method loads all files |
| * into memory and thus does not cope well with large POI |
| * filessystems.</p> |
| * |
| * @param poiFs The name of the POI filesystem as seen by the |
| * operating system. (This is the "filename".) |
| * |
| * @return The POI files. The elements are ordered in the same way |
| * as the files in the POI filesystem. |
| */ |
| public static POIFile[] readPOIFiles(final File poiFs) |
| throws FileNotFoundException, IOException |
| { |
| return readPOIFiles(poiFs, null); |
| } |
| |
| |
| |
| /** |
| * <p>Reads a set of files from a POI filesystem and returns them |
| * as an array of {@link POIFile} instances. This method loads all |
| * files into memory and thus does not cope well with large POI |
| * filessystems.</p> |
| * |
| * @param poiFs The name of the POI filesystem as seen by the |
| * operating system. (This is the "filename".) |
| * |
| * @param poiFiles The names of the POI files to be read. |
| * |
| * @return The POI files. The elements are ordered in the same way |
| * as the files in the POI filesystem. |
| */ |
| public static POIFile[] readPOIFiles(final File poiFs, |
| final String[] poiFiles) |
| throws FileNotFoundException, IOException |
| { |
| final List files = new ArrayList(); |
| POIFSReader r = new POIFSReader(); |
| POIFSReaderListener pfl = new POIFSReaderListener() |
| { |
| public void processPOIFSReaderEvent(final POIFSReaderEvent event) |
| { |
| try |
| { |
| POIFile f = new POIFile(); |
| f.setName(event.getName()); |
| f.setPath(event.getPath()); |
| InputStream in = event.getStream(); |
| ByteArrayOutputStream out = new ByteArrayOutputStream(); |
| Util.copy(in, out); |
| out.close(); |
| f.setBytes(out.toByteArray()); |
| files.add(f); |
| } |
| catch (IOException ex) |
| { |
| ex.printStackTrace(); |
| throw new RuntimeException(ex.getMessage()); |
| } |
| } |
| }; |
| if (poiFiles == null) |
| /* Register the listener for all POI files. */ |
| r.registerListener(pfl); |
| else |
| /* Register the listener for the specified POI files |
| * only. */ |
| for (int i = 0; i < poiFiles.length; i++) |
| r.registerListener(pfl, poiFiles[i]); |
| |
| /* Read the POI filesystem. */ |
| r.read(new FileInputStream(poiFs)); |
| POIFile[] result = new POIFile[files.size()]; |
| for (int i = 0; i < result.length; i++) |
| result[i] = (POIFile) files.get(i); |
| return result; |
| } |
| |
| |
| |
| /** |
| * <p>Prints the system properties to System.out.</p> |
| */ |
| public static void printSystemProperties() |
| { |
| final Properties p = System.getProperties(); |
| final List names = new LinkedList(); |
| for (Iterator i = p.keySet().iterator(); i.hasNext();) |
| names.add(i.next()); |
| Collections.sort(names); |
| for (final Iterator i = names.iterator(); i.hasNext();) |
| { |
| String name = (String) i.next(); |
| String value = (String) p.get(name); |
| System.out.println(name + ": " + value); |
| } |
| System.out.println("Current directory: " + |
| System.getProperty("user.dir")); |
| } |
| |
| } |