/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2017 iText Group NV
 * Authors: Balder Van Camp, Emiel Ackermann, 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.tool.xml.css;

import com.itextpdf.tool.xml.Tag;

import java.util.List;
import java.util.Map;

/**
 * This Wrapper disables the add and isPersistent(final boolean b) methods.
 *
 * @author redlab_b
 *
 */
public class CSSFileWrapper implements CssFile {

	private final boolean persistent;
	private final CssFile css;

	/**
	 * Constructs a CssFile that does not allow adding of new CSS (given you
	 * don't mess with the CssFile provided on construction).
	 *
	 * @param css the css file
	 * @param b true if this file should be kept forever.
	 */
	public CSSFileWrapper(final CssFile css, final boolean b) {
		this.css = css;
		this.persistent = b;
	}

	/*
	 * (non-Javadoc)
	 *
	 * @see com.itextpdf.tool.xml.css.CssFile#add(java.lang.String,
	 * java.util.Map)
	 */
	public boolean add(final String selector, final Map<String, String> props) {
		throw new UnsupportedOperationException();
	}

    public List<CssRule> get(Tag t) {
        return css.get(t);
    }

	/*
	 * (non-Javadoc)
	 *
	 * @see com.itextpdf.tool.xml.css.CssFile#isPersistent()
	 */
	public boolean isPersistent() {
		return persistent;
	}

	/*
	 * (non-Javadoc)
	 *
	 * @see com.itextpdf.tool.xml.css.CssFile#isPersistent(boolean)
	 */
	public void isPersistent(final boolean b) {
		throw new UnsupportedOperationException();
	}

}