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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/xobject/PdfXObject.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.xobject; import com.itextpdf.io.LogMessageConstant; import com.itextpdf.kernel.PdfException; import com.itextpdf.kernel.pdf.PdfArray; import com.itextpdf.kernel.pdf.PdfDictionary; import com.itextpdf.kernel.pdf.PdfName; import com.itextpdf.kernel.pdf.PdfObjectWrapper; import com.itextpdf.kernel.pdf.PdfStream; import com.itextpdf.kernel.pdf.filespec.PdfFileSpec; import com.itextpdf.kernel.pdf.layer.IPdfOCG; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * An abstract wrapper for supported types of XObject. * * @see PdfFormXObject * @see PdfImageXObject */ public abstract class PdfXObject extends PdfObjectWrapper<PdfStream> { private static final long serialVersionUID = -480702872582809954L; protected PdfXObject(PdfStream pdfObject) { super(pdfObject); } /** * Create {@link PdfFormXObject} or {@link PdfImageXObject} by {@link PdfStream}. * * @param stream {@link PdfStream} with either {@link PdfName#Form} * or {@link PdfName#Image} {@link PdfName#Subtype} * @return either {@link PdfFormXObject} or {@link PdfImageXObject}. */ public static PdfXObject makeXObject(PdfStream stream) { if (PdfName.Form.equals(stream.getAsName(PdfName.Subtype))) { return new PdfFormXObject(stream); } else if (PdfName.Image.equals(stream.getAsName(PdfName.Subtype))) { return new PdfImageXObject(stream); } else { throw new UnsupportedOperationException(PdfException.UnsupportedXObjectType); } } /** * Sets the layer this XObject belongs to. * * @param layer the layer this XObject belongs to. */ public void setLayer(IPdfOCG layer) { getPdfObject().put(PdfName.OC, layer.getIndirectReference()); } /** * Gets width of XObject. * * @return float value. */ public float getWidth() { throw new UnsupportedOperationException(); } /** * Gets height of XObject. * * @return float value. */ public float getHeight() { throw new UnsupportedOperationException(); } /** * <p> * Adds file associated with PDF XObject and identifies the relationship between them. * </p> * <p> * Associated files may be used in Pdf/A-3 and Pdf 2.0 documents. * The method adds file to array value of the AF key in the XObject dictionary. * </p> * <p> * For associated files their associated file specification dictionaries shall include the AFRelationship key * </p> * * @param fs file specification dictionary of associated file */ public void addAssociatedFile(PdfFileSpec fs) { if (null == ((PdfDictionary)fs.getPdfObject()).get(PdfName.AFRelationship)) { Logger logger = LoggerFactory.getLogger(PdfXObject.class); logger.error(LogMessageConstant.ASSOCIATED_FILE_SPEC_SHALL_INCLUDE_AFRELATIONSHIP); } PdfArray afArray = getPdfObject().getAsArray(PdfName.AF); if (afArray == null) { afArray = new PdfArray(); getPdfObject().put(PdfName.AF, afArray); } afArray.add(fs.getPdfObject()); } /** * Returns files associated with XObject. * * @return associated files array. */ public PdfArray getAssociatedFiles(boolean create) { PdfArray afArray = getPdfObject().getAsArray(PdfName.AF); if (afArray == null && create) { afArray = new PdfArray(); getPdfObject().put(PdfName.AF, afArray); } return afArray; } /** * {@inheritDoc} */ @Override protected boolean isWrappedObjectMustBeIndirect() { return true; } }
⏎ com/itextpdf/kernel/pdf/xobject/PdfXObject.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, 86576👍, 0💬
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