com.itextpdf.text.pdf.PdfSignature.java Source code

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Here is the source code for com.itextpdf.text.pdf.PdfSignature.java

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/*
 *
 * 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.text.pdf;

import com.itextpdf.text.pdf.security.PdfSignatureBuildProperties;

/**
 * Implements the signature dictionary.
 * 
 * @author Paulo Soares
 */
public class PdfSignature extends PdfDictionary {

    /** Creates new PdfSignature */
    public PdfSignature(PdfName filter, PdfName subFilter) {
        super(PdfName.SIG);
        put(PdfName.FILTER, filter);
        put(PdfName.SUBFILTER, subFilter);
    }

    public void setByteRange(int range[]) {
        PdfArray array = new PdfArray();
        for (int k = 0; k < range.length; ++k)
            array.add(new PdfNumber(range[k]));
        put(PdfName.BYTERANGE, array);
    }

    public void setContents(byte contents[]) {
        put(PdfName.CONTENTS, new PdfString(contents).setHexWriting(true));
    }

    public void setCert(byte cert[]) {
        put(PdfName.CERT, new PdfString(cert));
    }

    public void setName(String name) {
        put(PdfName.NAME, new PdfString(name, PdfObject.TEXT_UNICODE));
    }

    public void setDate(PdfDate date) {
        put(PdfName.M, date);
    }

    public void setLocation(String name) {
        put(PdfName.LOCATION, new PdfString(name, PdfObject.TEXT_UNICODE));
    }

    public void setReason(String name) {
        put(PdfName.REASON, new PdfString(name, PdfObject.TEXT_UNICODE));
    }

    /**
     * Sets the signature creator name in the
     * {@link PdfSignatureBuildProperties} dictionary.
     * 
     * @param name
     */
    public void setSignatureCreator(String name) {
        if (name != null) {
            getPdfSignatureBuildProperties().setSignatureCreator(name);
        }
    }

    /**
     * Gets the {@link PdfSignatureBuildProperties} instance if it exists, if
     * not it adds a new one and returns this.
     * 
     * @return {@link PdfSignatureBuildProperties}
     */
    PdfSignatureBuildProperties getPdfSignatureBuildProperties() {
        PdfSignatureBuildProperties buildPropDic = (PdfSignatureBuildProperties) getAsDict(PdfName.PROP_BUILD);
        if (buildPropDic == null) {
            buildPropDic = new PdfSignatureBuildProperties();
            put(PdfName.PROP_BUILD, buildPropDic);
        }
        return buildPropDic;
    }

    public void setContact(String name) {
        put(PdfName.CONTACTINFO, new PdfString(name, PdfObject.TEXT_UNICODE));
    }
}