toolboxavailable.java

来自「有关对pdf操作的代码」· Java 代码 · 共 81 行

/*
 * $Id: ToolboxAvailable.java 3234 2008-04-13 07:47:46Z blowagie $
 * $Name$
 *
 * Copyright 2007 by Bruno Lowagie.
 *
 * The contents of this file are subject to the Mozilla Public License Version 1.1
 * (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the License.
 *
 * The Original Code is 'iText, a free JAVA-PDF library'.
 *
 * The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
 * the Initial Developer are Copyright (C) 1999-2007 by Bruno Lowagie.
 * All Rights Reserved.
 * Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
 * are Copyright (C) 2000-2007 by Paulo Soares. All Rights Reserved.
 *
 * Contributor(s): all the names of the contributors are added in the source code
 * where applicable.
 *
 * Alternatively, the contents of this file may be used under the terms of the
 * LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
 * provisions of LGPL are applicable instead of those above.  If you wish to
 * allow use of your version of this file only under the terms of the LGPL
 * License and not to allow others to use your version of this file under
 * the MPL, indicate your decision by deleting the provisions above and
 * replace them with the notice and other provisions required by the LGPL.
 * If you do not delete the provisions above, a recipient may use your version
 * of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the MPL as stated above or under the terms of the GNU
 * Library General Public License as published by the Free Software Foundation;
 * either version 2 of the License, or any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
 * details.
 *
 * If you didn't download this code from the following link, you should check if
 * you aren't using an obsolete version:
 * http://www.lowagie.com/iText/
 */
package com.lowagie.tools;

import java.awt.GraphicsEnvironment;
import java.lang.reflect.Method;

import javax.swing.JOptionPane;

import com.lowagie.text.Document;

public class ToolboxAvailable {

	/**
	 * Checks if the toolbox if available.
	 * If it is, the toolbox is started.
	 * If it isn't, an error message is shown.
	 */
	public static void main(String[] args) {
	    if (GraphicsEnvironment.isHeadless()) {
	        System.out.println(Document.getVersion() + " Toolbox error: headless display");
	    } else
		try {
			Class c = Class.forName("com.lowagie.toolbox.Toolbox");
			Method toolboxMain = c.getMethod("main", new Class[] {args.getClass()});
			toolboxMain.invoke(null, new Object[] {args} );
		} catch (Exception e) {
			JOptionPane.showMessageDialog(null,
					"You need the iText-toolbox.jar with class com.lowagie.toolbox.Toolbox to use the iText Toolbox.",
					Document.getVersion() + " Toolbox error",
					JOptionPane.ERROR_MESSAGE);
		}
	}
}