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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: [email protected]
*/
package com.itextpdf.text.pdf;
/**
* A signature field lock dictionary.
*/
public class PdfSigLockDictionary extends PdfDictionary {
/**
* Enumerates the different actions of a signature lock.
* Indicates the set of fields that should be locked:
* all the fields in the document,
* all the fields specified in the /Fields array
* all the fields except those specified in the /Fields array
*/
public enum LockAction {
ALL(PdfName.ALL), INCLUDE(PdfName.INCLUDE), EXCLUDE(PdfName.EXCLUDE);
private PdfName name;
private LockAction(PdfName name) {
this.name = name;
}
public PdfName getValue() {
return name;
}
}
/**
* Enumerates the different levels of permissions.
*/
public enum LockPermissions {
NO_CHANGES_ALLOWED(1), FORM_FILLING(2), FORM_FILLING_AND_ANNOTATION(3);
private PdfNumber number;
private LockPermissions(int p) {
number = new PdfNumber(p);
}
public PdfNumber getValue() {
return number;
}
}
/**
* Creates a signature lock valid for all fields in the document.
*/
public PdfSigLockDictionary() {
super(PdfName.SIGFIELDLOCK);
this.put(PdfName.ACTION, LockAction.ALL.getValue());
}
/**
* Creates a signature lock for all fields in the document,
* setting specific permissions.
*/
public PdfSigLockDictionary(LockPermissions p) {
this();
this.put(PdfName.P, p.getValue());
}
/**
* Creates a signature lock for specific fields in the document.
*/
public PdfSigLockDictionary(LockAction action, String... fields) {
this(action, null, fields);
}
/**
* Creates a signature lock for specific fields in the document.
*/
public PdfSigLockDictionary(LockAction action, LockPermissions p, String... fields) {
super(PdfName.SIGFIELDLOCK);
this.put(PdfName.ACTION, action.getValue());
if (p != null)
this.put(PdfName.P, p.getValue());
PdfArray fieldsArray = new PdfArray();
for (String field : fields) {
fieldsArray.add(new PdfString(field));
}
this.put(PdfName.FIELDS, fieldsArray);
}
}
