167 lines
6.0 KiB
Java
167 lines
6.0 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.awt.event.*;
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import java.io.*;
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import javax.swing.*;
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import javax.swing.tree.*;
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import org.apache.poi.poifs.eventfilesystem.*;
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/**
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* <p>The main class of the POI Browser. It shows the structure of POI
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* filesystems (Microsoft Office documents) in a {@link
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* JTree}. Specify their filenames on the command line!</p>
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*
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* @see POIFSReader
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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 2002-01-19
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*/
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public class POIBrowser extends JFrame
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{
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/**
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* <p>The tree's root node must be visible to all methods.</p>
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*/
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protected MutableTreeNode rootNode;
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/**
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* <p>Takes a bunch of file names as command line parameters,
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* opens each of them as a POI filesystem and displays their
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* internal structures in a {@link JTree}.</p>
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*/
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public static void main(String[] args)
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{
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new POIBrowser().run(args);
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}
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protected void run(String[] args)
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{
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addWindowListener(new WindowAdapter()
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{
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public void windowClosing(WindowEvent e)
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{
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System.exit(0);
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}
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});
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/* Create the tree model with a root node. The latter is
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* invisible but it must be present because a tree model
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* always needs a root. */
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rootNode = new DefaultMutableTreeNode("POI Filesystems");
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DefaultTreeModel treeModel = new DefaultTreeModel(rootNode);
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/* Create the tree UI element. */
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final JTree treeUI = new JTree(treeModel);
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getContentPane().add(new JScrollPane(treeUI));
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/* Add the POI filesystems to the tree. */
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int displayedFiles = 0;
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for (int i = 0; i < args.length; i++)
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{
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final String filename = args[i];
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try
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{
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POIFSReader r = new POIFSReader();
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r.registerListener(new TreeReaderListener(filename, rootNode));
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r.read(new FileInputStream(filename));
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displayedFiles++;
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}
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catch (IOException ex)
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{
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System.err.println(filename + ": " + ex);
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}
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catch (Throwable t)
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{
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System.err.println("Unexpected exception while reading \"" +
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filename + "\":");
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t.printStackTrace(System.err);
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}
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}
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/* Exit if there is no file to display (none specified or only
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* files with problems). */
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if (displayedFiles == 0)
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{
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System.out.println("No POI filesystem(s) to display.");
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System.exit(0);
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}
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/* Make the tree UI element visible. */
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treeUI.setRootVisible(true);
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treeUI.setShowsRootHandles(true);
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ExtendableTreeCellRenderer etcr = new ExtendableTreeCellRenderer();
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etcr.register(DocumentDescriptor.class,
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new DocumentDescriptorRenderer());
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etcr.register(PropertySetDescriptor.class,
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new PropertySetDescriptorRenderer());
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treeUI.setCellRenderer(etcr);
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setSize(600, 450);
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setTitle("POI Browser 0.08");
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setVisible(true);
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}
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}
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