| /* ==================================================================== |
| 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.hwpf; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.zip.ZipInputStream; |
| |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.Logger; |
| import org.apache.poi.POIDataSamples; |
| import org.apache.poi.poifs.filesystem.POIFSFileSystem; |
| import org.apache.poi.util.IOUtils; |
| |
| import static org.apache.logging.log4j.util.Unbox.box; |
| |
| public class HWPFTestDataSamples { |
| |
| private static final Logger LOG = LogManager.getLogger(HWPFTestDataSamples.class); |
| |
| public static HWPFDocument openSampleFile(String sampleFileName) { |
| try { |
| InputStream is = POIDataSamples.getDocumentInstance().openResourceAsStream(sampleFileName); |
| try { |
| return new HWPFDocument(is); |
| } catch (Throwable e) { |
| is.close(); |
| throw e; |
| } |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| |
| public static HWPFDocument openSampleFileFromArchive( String sampleFileName ) |
| { |
| final long start = System.currentTimeMillis(); |
| try |
| { |
| try (ZipInputStream is = new ZipInputStream(POIDataSamples |
| .getDocumentInstance() |
| .openResourceAsStream(sampleFileName))) { |
| is.getNextEntry(); |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(); |
| try { |
| IOUtils.copy(is, baos); |
| } finally { |
| baos.close(); |
| } |
| |
| final long endUnzip = System.currentTimeMillis(); |
| byte[] byteArray = baos.toByteArray(); |
| |
| LOG.atDebug().log("Unzipped in {} ms -- {} byte(s)", box(endUnzip - start),box(byteArray.length)); |
| |
| ByteArrayInputStream bais = new ByteArrayInputStream(byteArray); |
| HWPFDocument doc = new HWPFDocument(bais); |
| final long endParse = System.currentTimeMillis(); |
| |
| LOG.atDebug().log("Parsed in {} ms", box(endParse - start)); |
| |
| return doc; |
| } |
| } |
| catch ( IOException e ) |
| { |
| throw new RuntimeException( e ); |
| } |
| } |
| |
| public static HWPFOldDocument openOldSampleFile(String sampleFileName) { |
| try { |
| InputStream is = POIDataSamples.getDocumentInstance().openResourceAsStream(sampleFileName); |
| return new HWPFOldDocument(new POIFSFileSystem(is)); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| /** |
| * Writes a spreadsheet to a {@code ByteArrayOutputStream} and reads it back |
| * from a {@code ByteArrayInputStream}.<p> |
| * Useful for verifying that the serialisation round trip |
| */ |
| public static HWPFDocument writeOutAndReadBack(HWPFDocument original) { |
| try { |
| ByteArrayOutputStream baos = new ByteArrayOutputStream(4096); |
| original.write(baos); |
| ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray()); |
| return new HWPFDocument(bais); |
| } catch (IOException e) { |
| throw new RuntimeException(e); |
| } |
| } |
| } |