poi/src/integrationtest/org/apache/poi/stress/XSSFBFileHandler.java

97 lines
3.2 KiB
Java

/* ====================================================================
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.stress;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import org.apache.poi.openxml4j.opc.OPCPackage;
import org.apache.poi.openxml4j.opc.PackageAccess;
import org.apache.poi.util.IOUtils;
import org.apache.poi.xssf.XLSBUnsupportedException;
import org.apache.poi.xssf.extractor.XSSFBEventBasedExcelExtractor;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
public class XSSFBFileHandler extends AbstractFileHandler {
static {
//this is a "Beta" xlsb version and is not openable with Excel 2016
//TODO: see if we can support this easily enough
AbstractFileHandler.EXPECTED_EXTRACTOR_FAILURES.add(
"spreadsheet/Simple.xlsb"
);
}
@Override
public void handleFile(InputStream stream) throws Exception {
ByteArrayOutputStream out = new ByteArrayOutputStream();
IOUtils.copy(stream, out);
final byte[] bytes = out.toByteArray();
OPCPackage opcPackage = OPCPackage.open(new ByteArrayInputStream(bytes));
try {
testOne(opcPackage);
} finally {
opcPackage.close();
}
testNotHandledByWorkbookException(OPCPackage.open(new ByteArrayInputStream(bytes)));
}
private void testNotHandledByWorkbookException(OPCPackage pkg) throws IOException {
try {
XSSFWorkbook workbook = new XSSFWorkbook(pkg);
} catch (XLSBUnsupportedException e) {
//this is what we'd expect
//swallow
}
}
@Override
public void handleExtracting(File file) throws Exception {
OPCPackage pkg = OPCPackage.open(file, PackageAccess.READ);
try {
testOne(pkg);
} finally {
pkg.close();
}
pkg = OPCPackage.open(file, PackageAccess.READ);
try {
testNotHandledByWorkbookException(pkg);
} finally {
pkg.close();
}
}
private void testOne(OPCPackage pkg) throws Exception {
XSSFBEventBasedExcelExtractor ex = new XSSFBEventBasedExcelExtractor(pkg);
String txt = ex.getText();
if (txt.length() < 1) {
throw new RuntimeException("Should have gotten some text.");
}
}
}