| /* ==================================================================== |
| Licensed to the Apache Software Foundation (ASF) under one or more |
| contributor license agreements. See the NOTICE file distributed with |
| this work for additional information regarding copyright ownership. |
| The ASF licenses this file to You 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 |
| |
| http://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.apache.poi.hssf; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import org.apache.poi.POIDataSamples; |
| import org.apache.poi.hssf.usermodel.HSSFWorkbook; |
| |
| /** |
| * Centralises logic for finding/opening sample files in the src/testcases/org/apache/poi/hssf/hssf/data folder. |
| * |
| * @author Josh Micich |
| */ |
| public final class HSSFTestDataSamples { |
| |
| private static final POIDataSamples _inst = POIDataSamples.getSpreadSheetInstance(); |
| |
| public static InputStream openSampleFileStream(String sampleFileName) { |
| return _inst.openResourceAsStream(sampleFileName); |
| } |
| public static File getSampleFile(String sampleFileName) { |
| return _inst.getFile(sampleFileName); |
| } |
| public static byte[] getTestDataFileContent(String fileName) { |
| return _inst.readFile(fileName); |
| } |
| |
| public static HSSFWorkbook openSampleWorkbook(String sampleFileName) { |
| try { |
| return new HSSFWorkbook(_inst.openResourceAsStream(sampleFileName)); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| /** |
| * Writes a spreadsheet to a <tt>ByteArrayOutputStream</tt> and reads it back |
| * from a <tt>ByteArrayInputStream</tt>.<p> |
| * Useful for verifying that the serialisation round trip |
| */ |
| public static HSSFWorkbook writeOutAndReadBack(HSSFWorkbook original) { |
| try { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(4096); |
| original.write(baos); |
| ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); |
| return new HSSFWorkbook(bais); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |