/*
 * Copyright 2002-2015 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.web.servlet.view.document;

import java.io.IOException;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;

Convenient superclass for Excel document views in the Office 2007 XLSX format,
using POI's streaming variant. Compatible with Apache POI 3.9 and higher.
For working with the workbook in subclasses, see
Apache's POI site.
Author:
Juergen Hoeller
Since:
4.2/**
 * Convenient superclass for Excel document views in the Office 2007 XLSX format,
 * using POI's streaming variant. Compatible with Apache POI 3.9 and higher.
 *
 * <p>For working with the workbook in subclasses, see
 * <a href="https://poi.apache.org">Apache's POI site</a>.
 *
 * @author Juergen Hoeller
 * @since 4.2
 */
public abstract class AbstractXlsxStreamingView extends AbstractXlsxView {

	
This implementation creates a SXSSFWorkbook for streaming the XLSX format. /**
	 * This implementation creates a {@link SXSSFWorkbook} for streaming the XLSX format.
	 */
	@Override
	protected SXSSFWorkbook createWorkbook(Map<String, Object> model, HttpServletRequest request) {
		return new SXSSFWorkbook();
	}

	
This implementation disposes of the SXSSFWorkbook when done with rendering. 
See Also:
dispose.dispose()/**
	 * This implementation disposes of the {@link SXSSFWorkbook} when done with rendering.
	 * @see org.apache.poi.xssf.streaming.SXSSFWorkbook#dispose()
	 */
	@Override
	protected void renderWorkbook(Workbook workbook, HttpServletResponse response) throws IOException {
		super.renderWorkbook(workbook, response);

		// Dispose of temporary files in case of streaming variant...
		((SXSSFWorkbook) workbook).dispose();
	}

}