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iText kernel.jar Source Code
kernel.jar is a component in iText Java library to provide low-level functionalities. iText Java library allows you to generate and manage PDF documents.
The Source Code files are provided together with the JAR file in the binary packge like iText7-Core-7.1.4.zip. You can download it at iText 7 Core Download site.
You can compile it to generate your JAR file, using kernel.pom as the build configuration file.
The source code of kernel-7.1.4.jar is provided below:
✍: FYIcenter.com
⏎ com/itextpdf/kernel/pdf/PdfOutline.java
/* This file is part of the iText (R) project. Copyright (c) 1998-2018 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.pdf; import com.itextpdf.io.font.PdfEncodings; import com.itextpdf.kernel.colors.Color; import com.itextpdf.kernel.pdf.action.PdfAction; import com.itextpdf.kernel.pdf.navigation.PdfDestination; import java.io.Serializable; import java.util.ArrayList; import java.util.List; /** * Document outline object * See ISO-320001, 12.3.3 Document Outline. */ public class PdfOutline implements Serializable { private static final long serialVersionUID = 5730874960685950376L; /** * A flag for displaying the outline item’s text with italic font. */ public static int FLAG_ITALIC = 1; /** * A flag for displaying the outline item’s text with bold font. */ public static int FLAG_BOLD = 2; private List<PdfOutline> children = new ArrayList<>(); private String title; private PdfDictionary content; private PdfDestination destination; private PdfOutline parent; private PdfDocument pdfDoc; /** * Create instance of document outline. * * @param title the text that shall be displayed on the screen for this item. * @param content Outline dictionary * @param pdfDocument {@link PdfDocument} the outline belongs to. */ PdfOutline(String title, PdfDictionary content, PdfDocument pdfDocument) { this.title = title; this.content = content; this.pdfDoc = pdfDocument; } /** * Create instance of document outline. * * @param title the text that shall be displayed on the screen for this item. * @param content Outline dictionary * @param parent parent outline. * {@link #addOutline(String, int)} and {@link #addOutline(String)} instead. */ PdfOutline(String title, PdfDictionary content, PdfOutline parent) { this.title = title; this.content = content; this.parent = parent; this.pdfDoc = parent.pdfDoc; content.makeIndirect(parent.pdfDoc); } /** * This constructor creates root outline in the document. * * @param doc {@link PdfDocument} */ PdfOutline(PdfDocument doc) { content = new PdfDictionary(); content.put(PdfName.Type, PdfName.Outlines); this.pdfDoc = doc; content.makeIndirect(doc); doc.getCatalog().addRootOutline(this); } /** * Gets title of the outline. * * @return String value. */ public String getTitle() { return title; } /** * Sets title of the outline with {@link PdfEncodings#UNICODE_BIG} encoding, * {@code Title} key. * * @param title String value. */ public void setTitle(String title) { this.title = title; this.content.put(PdfName.Title, new PdfString(title, PdfEncodings.UNICODE_BIG)); } /** * Sets color for the outline entry’s text, {@code C} key. * * @param color {@link Color} */ public void setColor(Color color) { content.put(PdfName.C, new PdfArray(color.getColorValue())); } /** * Sets text style for the outline entry’s text, {@code F} key. * * @param style Could be either {@link #FLAG_BOLD} or {@link #FLAG_ITALIC}. Default value is {@code 0}. */ public void setStyle(int style) { if (style == FLAG_BOLD || style == FLAG_ITALIC) { content.put(PdfName.F, new PdfNumber(style)); } } /** * Gets content dictionary. * * @return {@link PdfDictionary}. */ public PdfDictionary getContent() { return content; } /** * Gets list of children outlines. * * @return List of {@link PdfOutline}. */ public List<PdfOutline> getAllChildren() { return children; } /** * Gets parent outline. * * @return {@link PdfOutline}. */ public PdfOutline getParent() { return parent; } /** * Gets {@link PdfDestination}. * * @return {@link PdfDestination}. */ public PdfDestination getDestination() { return destination; } /** * Adds {@link PdfDestination} for the outline, {@code Dest} key. * * @param destination instance of {@link PdfDestination}. */ public void addDestination(PdfDestination destination) { setDestination(destination); content.put(PdfName.Dest, destination.getPdfObject()); } /** * Adds {@link PdfAction} for the outline, {@code A} key. * * @param action instance of {@link PdfAction}. */ public void addAction(PdfAction action) { content.put(PdfName.A, action.getPdfObject()); } /** * Defines if the outline needs to be closed or not. * By default, outlines are open. * * @param open if false, the outline will be closed by default */ public void setOpen(boolean open) { if (!open) content.put(PdfName.Count, new PdfNumber(-1)); else if (children.size() > 0) content.put(PdfName.Count, new PdfNumber(children.size())); else content.remove(PdfName.Count); } /** * Adds a new {@code PdfOutline} with specified parameters as a child to existing {@code PdfOutline} * and put it to specified position in the existing {@code PdfOutline} children list. * * @param title an outline title * @param position a position in the current outline child List where a new outline should be added. * If the position equals -1, then the outline will be put in the end of children list. * @return just created outline */ public PdfOutline addOutline(String title, int position) { if (position == -1) position = children.size(); PdfDictionary dictionary = new PdfDictionary(); PdfOutline outline = new PdfOutline(title, dictionary, this); dictionary.put(PdfName.Title, new PdfString(title, PdfEncodings.UNICODE_BIG)); dictionary.put(PdfName.Parent, content); if (children.size() > 0) { if (position != 0) { PdfDictionary prevContent = children.get(position - 1).getContent(); dictionary.put(PdfName.Prev, prevContent); prevContent.put(PdfName.Next, dictionary); } if (position != children.size()) { PdfDictionary nextContent = children.get(position).getContent(); dictionary.put(PdfName.Next, nextContent); nextContent.put(PdfName.Prev, dictionary); } } if (position == 0) content.put(PdfName.First, dictionary); if (position == children.size()) content.put(PdfName.Last, dictionary); PdfNumber count = this.content.getAsNumber(PdfName.Count); if (count == null || count.getValue() != -1) { content.put(PdfName.Count, new PdfNumber(children.size() + 1)); } children.add(position, outline); return outline; } /** * Adds an {@code PdfOutline} as a child to existing {@code PdfOutline} * and put it in the end of the existing {@code PdfOutline} children list. * * @param title an outline title * @return just created outline */ public PdfOutline addOutline(String title) { return addOutline(title, -1); } /** * Adds an {@code PdfOutline} as a child to existing {@code PdfOutline} * and put it to the end of the existing {@code PdfOutline} children list. * * @param outline an outline to add. * @return just created outline */ public PdfOutline addOutline(PdfOutline outline) { PdfOutline newOutline = addOutline(outline.getTitle()); newOutline.addDestination(outline.getDestination()); List<PdfOutline> children = outline.getAllChildren(); for (PdfOutline child : children) { newOutline.addOutline(child); } return newOutline; } /** * Clear list of children. */ void clear() { children.clear(); } /** * Sets {@link PdfDestination}. * * @param destination instance of {@link PdfDestination}. */ void setDestination(PdfDestination destination) { this.destination = destination; } /** * Remove this outline from the document. */ void removeOutline() { if (!pdfDoc.hasOutlines() || isOutlineRoot()) { pdfDoc.getCatalog().remove(PdfName.Outlines); return; } PdfOutline parent = this.parent; List<PdfOutline> children = parent.children; children.remove(this); PdfDictionary parentContent = parent.content; if (children.size() > 0) { parentContent.put(PdfName.First, children.get(0).content); parentContent.put(PdfName.Last, children.get(children.size() - 1).content); } else { parent.removeOutline(); return; } PdfDictionary next = content.getAsDictionary(PdfName.Next); PdfDictionary prev = content.getAsDictionary(PdfName.Prev); if (prev != null) { if (next != null) { prev.put(PdfName.Next, next); next.put(PdfName.Prev, prev); } else { prev.remove(PdfName.Next); } } else if (next != null) { next.remove(PdfName.Prev); } } /** * Gets the Outline root in {@link PdfOutline#pdfDoc}'s catalog entry * * @return The {@link PdfDictionary} of the document's Outline root, or {@code null} if it can't be found. */ private PdfDictionary getOutlineRoot() { if (!pdfDoc.hasOutlines()) { return null; } return pdfDoc.getCatalog().getPdfObject().getAsDictionary(PdfName.Outlines); } /** * Determines if the current {@link PdfOutline} object is the Outline Root. * * @return {@code false} if this is not the outline root or the root can not be found, {@code true} otherwise. */ private boolean isOutlineRoot() { PdfDictionary outlineRoot = getOutlineRoot(); return outlineRoot == content; } }
⏎ com/itextpdf/kernel/pdf/PdfOutline.java
Or download all of them as a single archive file:
File name: kernel-7.1.4-sources.jar File size: 1201221 bytes Release date: 2018-10-09 Download
⇐ Download and Install iText7-Core-7.1.4.zip
2010-02-18, 83600👍, 0💬
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