NullCopyFilter.java

/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2025 Apryse Group NV
    Authors: Apryse Software.

    This program is offered under a commercial and under the AGPL license.
    For commercial licensing, contact us at https://itextpdf.com/sales.  For AGPL licensing, see below.

    AGPL licensing:
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    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 <https://www.gnu.org/licenses/>.
 */
package com.itextpdf.kernel.utils;

import com.itextpdf.kernel.pdf.PdfObject;

/**
 * A no-op {@link ICopyFilter} instance, used as default.
 */
public final class NullCopyFilter implements ICopyFilter {
    private static final NullCopyFilter INSTANCE = new NullCopyFilter();

    private NullCopyFilter() {
    }

    /**
     * Getter for an instance of {@link NullCopyFilter}.
     *
     * @return NullCopyFilter instance
     */
    public static NullCopyFilter getInstance() {
        return INSTANCE;
    }

    @Override
    public boolean shouldProcess(PdfObject newParent, com.itextpdf.kernel.pdf.PdfName name, PdfObject value) {
        return true;
    }
}