172 lines
6.0 KiB
Java
172 lines
6.0 KiB
Java
/* ====================================================================
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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package org.apache.poi.hwpf;
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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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import java.net.URL;
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import java.util.zip.ZipInputStream;
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import org.apache.poi.POIDataSamples;
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import org.apache.poi.poifs.filesystem.POIFSFileSystem;
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import org.apache.poi.util.IOUtils;
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import org.apache.poi.util.POILogFactory;
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import org.apache.poi.util.POILogger;
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public class HWPFTestDataSamples {
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private static final POILogger logger = POILogFactory
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.getLogger( HWPFTestDataSamples.class );
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public static HWPFDocument openSampleFile(String sampleFileName) {
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try {
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InputStream is = POIDataSamples.getDocumentInstance().openResourceAsStream(sampleFileName);
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return new HWPFDocument(is);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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public static HWPFDocument openSampleFileFromArchive( String sampleFileName )
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{
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final long start = System.currentTimeMillis();
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try
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{
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ZipInputStream is = new ZipInputStream( POIDataSamples
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.getDocumentInstance()
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.openResourceAsStream( sampleFileName ) );
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try
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{
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is.getNextEntry();
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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try
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{
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IOUtils.copy( is, baos );
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}
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finally
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{
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baos.close();
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}
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final long endUnzip = System.currentTimeMillis();
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byte[] byteArray = baos.toByteArray();
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logger.log( POILogger.DEBUG, "Unzipped in ",
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Long.valueOf( endUnzip - start ), " ms -- ",
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Long.valueOf( byteArray.length ), " byte(s)" );
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ByteArrayInputStream bais = new ByteArrayInputStream( byteArray );
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HWPFDocument doc = new HWPFDocument( bais );
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final long endParse = System.currentTimeMillis();
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logger.log( POILogger.DEBUG, "Parsed in ",
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Long.valueOf( endParse - start ), " ms" );
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return doc;
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}
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finally
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{
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is.close();
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}
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}
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catch ( IOException e )
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{
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throw new RuntimeException( e );
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}
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}
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/**
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* Open a remote sample from URL. opening is performd in two phases:
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* (1) download content into a byte array
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* (2) construct HWPFDocument
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*
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* @param sampleFileUrl the url to open
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*/
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public static HWPFDocument openRemoteFile( String sampleFileUrl )
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{
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final long start = System.currentTimeMillis();
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try
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{
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logger.log(POILogger.DEBUG, "Downloading ", sampleFileUrl, " ...");
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InputStream is = new URL( sampleFileUrl ).openStream();
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try
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{
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ByteArrayOutputStream baos = new ByteArrayOutputStream();
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try
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{
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IOUtils.copy( is, baos );
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}
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finally
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{
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baos.close();
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}
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final long endDownload = System.currentTimeMillis();
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byte[] byteArray = baos.toByteArray();
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logger.log( POILogger.DEBUG, "Downloaded in ",
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Long.valueOf( endDownload - start ), " ms -- ",
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Long.valueOf( byteArray.length ), " byte(s)" );
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ByteArrayInputStream bais = new ByteArrayInputStream( byteArray );
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HWPFDocument doc = new HWPFDocument( bais );
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final long endParse = System.currentTimeMillis();
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logger.log( POILogger.DEBUG, "Parsed in ",
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Long.valueOf( endParse - start ), " ms" );
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return doc;
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}
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finally
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{
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is.close();
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}
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}
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catch ( IOException e )
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{
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throw new RuntimeException( e );
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}
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}
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public static HWPFOldDocument openOldSampleFile(String sampleFileName) {
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try {
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InputStream is = POIDataSamples.getDocumentInstance().openResourceAsStream(sampleFileName);
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return new HWPFOldDocument(new POIFSFileSystem(is));
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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/**
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* Writes a spreadsheet to a <tt>ByteArrayOutputStream</tt> and reads it back
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* from a <tt>ByteArrayInputStream</tt>.<p/>
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* Useful for verifying that the serialisation round trip
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*/
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public static HWPFDocument writeOutAndReadBack(HWPFDocument original) {
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try {
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ByteArrayOutputStream baos = new ByteArrayOutputStream(4096);
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original.write(baos);
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ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
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return new HWPFDocument(bais);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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}
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}
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