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Free Java Reporting Library

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/*
 * JasperReports - Free Java Reporting Library.
 * Copyright (C) 2001 - 2023 Cloud Software Group, Inc. All rights reserved.
 * http://www.jaspersoft.com
 *
 * Unless you have purchased a commercial license agreement from Jaspersoft,
 * the following license terms apply:
 *
 * This program is part of JasperReports.
 *
 * JasperReports is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * JasperReports 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with JasperReports. If not, see .
 */
package net.sf.jasperreports.engine.component;

import java.io.IOException;

import net.sf.jasperreports.engine.JRComponentElement;
import net.sf.jasperreports.engine.xml.JRXmlWriter;

/**
 * A component writer is responsible for producing a XML representation of
 * component instances.
 * 
 * 
 * Its function is inverse to the one of {@link XmlDigesterConfigurer}, which
 * transforms XML fragments into object instances.
 * 
 * @author Lucian Chirita ([email protected])
 */
public interface ComponentXmlWriter
{

	/**
	 * Specifies whether this component should be written out. This is useful for versioning.
	 */
	boolean isToWrite(JRComponentElement componentElement, JRXmlWriter reportWriter);

	/**
	 * Outputs the XML representation of a component.
	 * 
	 * @param componentElement the component element
	 * @param reportWriter the report writer to which output is to be written
	 * @throws IOException exceptions produced while writing to the
	 * output stream
	 * @see ComponentKey#getNamespacePrefix()
	 * @see JRXmlWriter#getXmlWriteHelper()
	 */
	void writeToXml(JRComponentElement componentElement, JRXmlWriter reportWriter) throws IOException;

}