/** * Licensed under the Artistic License; you may not use this file * except in compliance with the License. * You may obtain a copy of the License at * *      http://displaytag.sourceforge.net/license.html * * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */package org.displaytag.export;import java.io.IOException;import java.io.Writer;import javax.servlet.jsp.JspException;/** * Main interface for exportViews which need to output character data. * @author Fabrizio Giustina * @version $Revision: 1081 $ ($Author: fgiust $) */public interface TextExportView extends ExportView{    /**     * Returns the exported content as a String.     * @param out output writer     * @throws IOException for exceptions in accessing the output stream     * @throws JspException for other exceptions during export     */    void doExport(Writer out) throws IOException, JspException;    /**     * If <code>true</code> exported data will be included in the html page. <strong>actually not evaluated. Included     * for future enhancements </strong>     * @return <code>true</code> if exported data should be included in the html page     */    boolean outputPage();}