77 lines
2.8 KiB
Java
Executable File
77 lines
2.8 KiB
Java
Executable File
/*
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* ====================================================================
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* ====================================================================
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*/
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package org.apache.poi.xssf;
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import org.apache.poi.POIDataSamples;
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import org.apache.poi.ss.ITestDataProvider;
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import org.apache.poi.ss.SpreadsheetVersion;
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import org.apache.poi.ss.usermodel.Workbook;
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import org.apache.poi.xssf.streaming.SXSSFWorkbook;
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import org.apache.poi.xssf.usermodel.XSSFWorkbook;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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/**
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* @author Yegor Kozlov
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*/
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public final class SXSSFITestDataProvider implements ITestDataProvider {
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public static final SXSSFITestDataProvider instance = new SXSSFITestDataProvider();
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private SXSSFITestDataProvider() {
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// enforce singleton
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}
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public Workbook openSampleWorkbook(String sampleFileName) {
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XSSFWorkbook xssfWorkbook = XSSFITestDataProvider.instance.openSampleWorkbook(sampleFileName);
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return new SXSSFWorkbook(xssfWorkbook);
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}
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public Workbook writeOutAndReadBack(Workbook wb) {
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if(!(wb instanceof SXSSFWorkbook)) {
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throw new IllegalArgumentException("Expected an instance of SXSSFWorkbook");
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}
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Workbook result;
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try {
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ByteArrayOutputStream baos = new ByteArrayOutputStream(8192);
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wb.write(baos);
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InputStream is = new ByteArrayInputStream(baos.toByteArray());
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result = new XSSFWorkbook(is);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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return result;
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}
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public SXSSFWorkbook createWorkbook(){
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return new SXSSFWorkbook();
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}
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public byte[] getTestDataFileContent(String fileName) {
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return POIDataSamples.getSpreadSheetInstance().readFile(fileName);
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}
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public SpreadsheetVersion getSpreadsheetVersion(){
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return SpreadsheetVersion.EXCEL2007;
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}
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public String getStandardFileNameExtension() {
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return "xlsx";
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}
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}
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