Java tutorial
/* This file is part of the iText (R) project. Copyright (c) 1998-2019 iText Group NV Authors: Bruno Lowagie, Paulo Soares, et al. This program is free software; you can redistribute it and/or modify it under the terms of the GNU Affero General Public License version 3 as published by the Free Software Foundation with the addition of the following permission added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS This program 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 Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program; if not, see http://www.gnu.org/licenses or write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA, 02110-1301 USA, or download the license from the following URL: http://itextpdf.com/terms-of-use/ The interactive user interfaces in modified source and object code versions of this program must display Appropriate Legal Notices, as required under Section 5 of the GNU Affero General Public License. In accordance with Section 7(b) of the GNU Affero General Public License, a covered work must retain the producer line in every PDF that is created or manipulated using iText. You can be released from the requirements of the license by purchasing a commercial license. Buying such a license is mandatory as soon as you develop commercial activities involving the iText software without disclosing the source code of your own applications. These activities include: offering paid services to customers as an ASP, serving PDFs on the fly in a web application, shipping iText with a closed source product. For more information, please contact iText Software Corp. at this address: sales@itextpdf.com */ package com.itextpdf.kernel.events; import com.itextpdf.kernel.pdf.PdfDocument; import com.itextpdf.kernel.pdf.PdfPage; /** * Event dispatched by PdfDocument. */ public class PdfDocumentEvent extends Event { /** * Dispatched after page is created. */ public static final String START_PAGE = "StartPdfPage"; /** * Dispatched after page is inserted/added into document. */ public static final String INSERT_PAGE = "InsertPdfPage"; /** * Dispatched after page is removed from document. */ public static final String REMOVE_PAGE = "RemovePdfPage"; /** * Dispatched before page is closed and written. */ public static final String END_PAGE = "EndPdfPage"; /** * The PdfPage associated with this event. */ protected PdfPage page; /** * The PdfDocument associated with this event. */ private PdfDocument document; /** * Creates a PdfDocumentEvent. * * @param type type of the event that fired this event * @param document document that fired this event */ public PdfDocumentEvent(String type, PdfDocument document) { super(type); this.document = document; } /** * Creates a PdfDocumentEvent. * * @param type type of the event that fired this event * @param page page that fired this event */ public PdfDocumentEvent(String type, PdfPage page) { super(type); this.page = page; this.document = page.getDocument(); } /** * Returns the PdfDocument associated with this event. * * @return the PdfDocument associated with this event */ public PdfDocument getDocument() { return document; } /** * Returns the PdfPage associated with this event. Warning: this can be null. * * @return the PdfPage associated with this event */ public PdfPage getPage() { return page; } }