iText 5 itextpdf.jar Source Code

itextpdf.jar is a component in iText 5 Java library to provide core functionalities. iText Java library allows you to generate and manage PDF documents.

The Source Code files are provided at iText GitHub site.

You can compile it to generate your JAR file, using pom.xml as the build configuration file.

The source code of itextpdf-5.5.14.jar is provided below:

✍: FYIcenter.com

com/itextpdf/text/pdf/PdfFileSpecification.java

/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2020 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.text.pdf;

import com.itextpdf.text.error_messages.MessageLocalization;
import com.itextpdf.text.io.StreamUtil;
import com.itextpdf.text.pdf.collection.PdfCollectionItem;
import com.itextpdf.text.pdf.internal.PdfIsoKeys;

import java.io.*;
import java.net.URL;
/** Specifies a file or an URL. The file can be extern or embedded.
 *
 * @author Paulo Soares
 */
public class PdfFileSpecification extends PdfDictionary {
    protected PdfWriter writer;
    protected PdfIndirectReference ref;
    
    /** Creates a new instance of PdfFileSpecification. The static methods are preferred. */
    public PdfFileSpecification() {
        super(PdfName.FILESPEC);
    }
    
    /**
     * Creates a file specification of type URL.
     * @param writer the <CODE>PdfWriter</CODE>
     * @param url the URL
     * @return the file specification
     */    
    public static PdfFileSpecification url(PdfWriter writer, String url) {
        PdfFileSpecification fs = new PdfFileSpecification();
        fs.writer = writer;
        fs.put(PdfName.FS, PdfName.URL);
        fs.put(PdfName.F, new PdfString(url));
        return fs;
    }

    /**
     * Creates a file specification with the file embedded. The file may
     * come from the file system or from a byte array. The data is flate compressed.
     * @param writer the <CODE>PdfWriter</CODE>
     * @param filePath the file path
     * @param fileDisplay the file information that is presented to the user
     * @param fileStore the byte array with the file. If it is not <CODE>null</CODE>
     * it takes precedence over <CODE>filePath</CODE>
     * @throws IOException on error
     * @return the file specification
     */    
    public static PdfFileSpecification fileEmbedded(PdfWriter writer, String filePath, String fileDisplay, byte fileStore[]) throws IOException {
        return fileEmbedded(writer, filePath, fileDisplay, fileStore, PdfStream.BEST_COMPRESSION);
    }

    /**
     * Creates a file specification with the file embedded. The file may
     * come from the file system or from a byte array. The data is flate compressed.
     * @param writer the <CODE>PdfWriter</CODE>
     * @param filePath the file path
     * @param fileDisplay the file information that is presented to the user
     * @param fileStore the byte array with the file. If it is not <CODE>null</CODE>
     * it takes precedence over <CODE>filePath</CODE>
     * @param compressionLevel	the compression level to be used for compressing the file
     * it takes precedence over <CODE>filePath</CODE>
     * @throws IOException on error
     * @return the file specification
     * @since	2.1.3
     */    
    public static PdfFileSpecification fileEmbedded(PdfWriter writer, String filePath, String fileDisplay, byte fileStore[], int compressionLevel) throws IOException {
        return fileEmbedded(writer, filePath, fileDisplay, fileStore, null, null, compressionLevel);
    }
    
    
    /**
     * Creates a file specification with the file embedded. The file may
     * come from the file system or from a byte array.
     * @param writer the <CODE>PdfWriter</CODE>
     * @param filePath the file path
     * @param fileDisplay the file information that is presented to the user
     * @param fileStore the byte array with the file. If it is not <CODE>null</CODE>
     * it takes precedence over <CODE>filePath</CODE>
     * @param compress sets the compression on the data. Multimedia content will benefit little
     * from compression
     * @throws IOException on error
     * @return the file specification
     */    
    public static PdfFileSpecification fileEmbedded(PdfWriter writer, String filePath, String fileDisplay, byte fileStore[], boolean compress) throws IOException {
        return fileEmbedded(writer, filePath, fileDisplay, fileStore, null, null, compress ? PdfStream.BEST_COMPRESSION : PdfStream.NO_COMPRESSION);
    }
    
    /**
     * Creates a file specification with the file embedded. The file may
     * come from the file system or from a byte array.
     * @param writer the <CODE>PdfWriter</CODE>
     * @param filePath the file path
     * @param fileDisplay the file information that is presented to the user
     * @param fileStore the byte array with the file. If it is not <CODE>null</CODE>
     * it takes precedence over <CODE>filePath</CODE>
     * @param compress sets the compression on the data. Multimedia content will benefit little
     * from compression
     * @param mimeType the optional mimeType
     * @param fileParameter the optional extra file parameters such as the creation or modification date
     * @throws IOException on error
     * @return the file specification
     */    
    public static PdfFileSpecification fileEmbedded(PdfWriter writer, String filePath, String fileDisplay, byte fileStore[], boolean compress, String mimeType, PdfDictionary fileParameter) throws IOException {
    	return fileEmbedded(writer, filePath, fileDisplay, fileStore, mimeType, fileParameter, compress ? PdfStream.BEST_COMPRESSION : PdfStream.NO_COMPRESSION);
    }
    
    /**
     * Creates a file specification with the file embedded. The file may
     * come from the file system or from a byte array.
     * @param writer the <CODE>PdfWriter</CODE>
     * @param filePath the file path
     * @param fileDisplay the file information that is presented to the user
     * @param fileStore the byte array with the file. If it is not <CODE>null</CODE>
     * it takes precedence over <CODE>filePath</CODE>
     * @param mimeType the optional mimeType
     * @param fileParameter the optional extra file parameters such as the creation or modification date
     * @param compressionLevel the level of compression
     * @throws IOException on error
     * @return the file specification
     * @since	2.1.3
     */    
    public static PdfFileSpecification fileEmbedded(PdfWriter writer, String filePath, String fileDisplay, byte fileStore[], String mimeType, PdfDictionary fileParameter, int compressionLevel) throws IOException {
        PdfFileSpecification fs = new PdfFileSpecification();
        fs.writer = writer;
        fs.put(PdfName.F, new PdfString(fileDisplay));
        fs.setUnicodeFileName(fileDisplay, false);
        PdfEFStream stream;
        InputStream in = null;
        PdfIndirectReference ref;
        PdfIndirectReference refFileLength = null;
        try {
            if (fileStore == null) {
                refFileLength = writer.getPdfIndirectReference();
                File file = new File(filePath);
                if (file.canRead()) {
                    in = new FileInputStream(filePath);
                }
                else {
                    if (filePath.startsWith("file:/") || filePath.startsWith("http://") || filePath.startsWith("https://") || filePath.startsWith("jar:")) {
                        in = new URL(filePath).openStream();
                    }
                    else {
                        in = StreamUtil.getResourceStream(filePath);
                        if (in == null)
                            throw new IOException(MessageLocalization.getComposedMessage("1.not.found.as.file.or.resource", filePath));
                    }
                }
                stream = new PdfEFStream(in, writer);
            }
            else {
                stream = new PdfEFStream(fileStore);
            }
            stream.put(PdfName.TYPE, PdfName.EMBEDDEDFILE);
            stream.flateCompress(compressionLevel);
            PdfDictionary param = new PdfDictionary();
            if (fileParameter != null) {
                param.merge(fileParameter);
            }
            if (!param.contains(PdfName.MODDATE)) {
                param.put(PdfName.MODDATE, new PdfDate());
            }
            if (fileStore == null) {
                stream.put(PdfName.PARAMS, refFileLength);
            }
            else {
                param.put(PdfName.SIZE, new PdfNumber(stream.getRawLength()));
                stream.put(PdfName.PARAMS, param);
            }

            if (mimeType != null)
                stream.put(PdfName.SUBTYPE, new PdfName(mimeType));

            ref = writer.addToBody(stream).getIndirectReference();
            if (fileStore == null) {
                stream.writeLength();
                param.put(PdfName.SIZE, new PdfNumber(stream.getRawLength()));
                writer.addToBody(param, refFileLength);
            }
        }
        finally {
            if (in != null)
                try{in.close();}catch(Exception e){}
        }
        PdfDictionary f = new PdfDictionary();
        f.put(PdfName.F, ref);
        f.put(PdfName.UF, ref);
        fs.put(PdfName.EF, f);
        return fs;
    }
    
    /**
     * Creates a file specification for an external file.
     * @param writer the <CODE>PdfWriter</CODE>
     * @param filePath the file path
     * @return the file specification
     */
    public static PdfFileSpecification fileExtern(PdfWriter writer, String filePath) {
        PdfFileSpecification fs = new PdfFileSpecification();
        fs.writer = writer;
        fs.put(PdfName.F, new PdfString(filePath));
        fs.setUnicodeFileName(filePath, false);
        return fs;
    }
    
    /**
     * Gets the indirect reference to this file specification.
     * Multiple invocations will retrieve the same value.
     * @throws IOException on error
     * @return the indirect reference
     */    
    public PdfIndirectReference getReference() throws IOException {
        if (ref != null)
            return ref;
        ref = writer.addToBody(this).getIndirectReference();
        return ref;
    }
    
    /**
     * Sets the file name (the key /F) string as an hex representation
     * to support multi byte file names. The name must have the slash and
     * backslash escaped according to the file specification rules
     * @param fileName the file name as a byte array
     */    
    public void setMultiByteFileName(byte fileName[]) {
        put(PdfName.F, new PdfString(fileName).setHexWriting(true));
    }
    
    /**
     * Adds the unicode file name (the key /UF). This entry was introduced
     * in PDF 1.7. The filename must have the slash and backslash escaped
     * according to the file specification rules.
     * @param filename	the filename
     * @param unicode	if true, the filename is UTF-16BE encoded; otherwise PDFDocEncoding is used;
     */    
    public void setUnicodeFileName(String filename, boolean unicode) {
        put(PdfName.UF, new PdfString(filename, unicode ? PdfObject.TEXT_UNICODE : PdfObject.TEXT_PDFDOCENCODING));
    }
    
    /**
     * Sets a flag that indicates whether an external file referenced by the file
     * specification is volatile. If the value is true, applications should never
     * cache a copy of the file.
     * @param volatile_file	if true, the external file should not be cached
     */
    public void setVolatile(boolean volatile_file) {
    	put(PdfName.V, new PdfBoolean(volatile_file));
    }
    
    /**
     * Adds a description for the file that is specified here.
     * @param description	some text
     * @param unicode		if true, the text is added as a unicode string
     */
    public void addDescription(String description, boolean unicode) {
        put(PdfName.DESC, new PdfString(description, unicode ? PdfObject.TEXT_UNICODE : PdfObject.TEXT_PDFDOCENCODING));
    }
    
    /**
     * Adds the Collection item dictionary.
     */
    public void addCollectionItem(PdfCollectionItem ci) {
    	put(PdfName.CI, ci);
    }

    @Override
    public void toPdf(final PdfWriter writer, final OutputStream os) throws IOException {
        PdfWriter.checkPdfIsoConformance(writer, PdfIsoKeys.PDFISOKEY_FILESPEC, this);
        super.toPdf(writer, os);
    }

}

com/itextpdf/text/pdf/PdfFileSpecification.java

 

⇒ iText-2.1.6.jar - iText, a JAVA-PDF library

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2021-07-03, 47732👍, 0💬