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Version modificada de iText 2.1.7 con el paquete cambiado, adaptaciones menores para firma y dependencias actualizadas.
/*
* $Id: PdfStructureElement.java 3914 2009-04-26 09:16:47Z blowagie $
*
* Copyright 2005 by Paulo Soares.
*
* 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, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 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.aowagie.text.pdf;
/**
* This is a node in a document logical structure. It may contain a mark point or it may contain
* other nodes.
* @author Paulo Soares ([email protected])
*/
class PdfStructureElement extends PdfDictionary {
/**
* Holds value of property kids.
*/
private final PdfStructureElement parent;
private final PdfStructureTreeRoot top;
/**
* Holds value of property reference.
*/
private PdfIndirectReference reference;
/**
* Creates a new instance of PdfStructureElement.
* @param parent the parent of this node
* @param structureType the type of structure. It may be a standard type or a user type mapped by the role map
*/
public PdfStructureElement(final PdfStructureElement parent, final PdfName structureType) {
this.top = parent.top;
init(parent, structureType);
this.parent = parent;
put(PdfName.P, parent.reference);
}
private void init(final PdfDictionary parent, final PdfName structureType) {
final PdfObject kido = parent.get(PdfName.K);
PdfArray kids = null;
if (kido != null && !kido.isArray()) {
throw new IllegalArgumentException("The parent has already another function.");
}
if (kido == null) {
kids = new PdfArray();
parent.put(PdfName.K, kids);
} else {
kids = (PdfArray)kido;
}
kids.add(this);
put(PdfName.S, structureType);
this.reference = this.top.getWriter().getPdfIndirectReference();
}
/**
* Gets the parent of this node.
* @return the parent of this node
*/
public PdfDictionary getParent() {
return this.parent;
}
/**
* Gets the reference this object will be written to.
* @return the reference this object will be written to
* @since 2.1.6 method removed in 2.1.5, but restored in 2.1.6
*/
public PdfIndirectReference getReference() {
return this.reference;
}
}