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Parses XML to PDF, with CSS support, using iText
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/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2022 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: [email protected]
 */
package com.itextpdf.tool.xml;

/**
 * @author redlab_b
 *
 */
public interface WorkerContext {

	/**
	 * @param key the key to find the custom context for. (internally
	 *            itextpdf.com uses the pipelines fully qualified klassName, so
	 *            when you want to use our pipelines twice in the same 'line'
	 *            you have to override it to change the key used)
	 * @return a CustomContext for the given Class.
	 * @throws NoCustomContextException if no CustomContext is found.
	 */
	CustomContext get(String key) throws NoCustomContextException;

	/**
	 * Store a customContext for the given key.
	 * @param contextKey the key to find the given CustomContext with.
	 * @param context the CustomContext to set for the given key
	 */
	void put(String contextKey, CustomContext context);

	/**
	 * Contains the current tag.
	 * @param t the Tag
	 */
	void setCurrentTag(Tag t);

	/**
	 * @return the current tag
	 */
	Tag getCurrentTag();
}