com.itextpdf.kernel.pdf.PdfNameLoader Maven / Gradle / Ivy

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/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2024 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 .
 */
package com.itextpdf.kernel.pdf;

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.HashMap;
import java.util.Map;

final class PdfNameLoader {

    static Map loadNames() {
        Field[] fields = PdfName.class.getDeclaredFields();
        Map staticNames = new HashMap<>(fields.length);
        final int flags = Modifier.STATIC | Modifier.PUBLIC | Modifier.FINAL;
        try {
            for (Field field : fields) {
                if ((field.getModifiers() & flags) == flags && field.getType().equals(PdfName.class)) {
                    PdfName name = (PdfName) field.get(null);
                    staticNames.put(name.getValue(), name);
                }
            }
        } catch (Exception e) {
            return null;
        }
        return staticNames;
    }
}