poi/src/testcases/org/apache/poi/hssf/usermodel/TestPOIFSProperties.java

96 lines
4.0 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.hssf.usermodel;
import static org.junit.Assert.assertEquals;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import org.apache.poi.hpsf.PropertySetFactory;
import org.apache.poi.hpsf.SummaryInformation;
import org.apache.poi.hssf.HSSFTestDataSamples;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.junit.Test;
/**
* Old-style setting of POIFS properties doesn't work with POI 3.0.2
*/
public class TestPOIFSProperties {
private static final String title = "Testing POIFS properties";
@Test
public void testFail() throws Exception {
InputStream is = HSSFTestDataSamples.openSampleFileStream("Simple.xls");
POIFSFileSystem fs = new POIFSFileSystem(is);
is.close();
HSSFWorkbook wb = new HSSFWorkbook(fs);
//set POIFS properties after constructing HSSFWorkbook
//(a piece of code that used to work up to POI 3.0.2)
SummaryInformation summary1 = (SummaryInformation)PropertySetFactory.create(fs.createDocumentInputStream(SummaryInformation.DEFAULT_STREAM_NAME));
summary1.setTitle(title);
//write the modified property back to POIFS
fs.getRoot().getEntry(SummaryInformation.DEFAULT_STREAM_NAME).delete();
fs.createDocument(summary1.toInputStream(), SummaryInformation.DEFAULT_STREAM_NAME);
//save the workbook and read the property
ByteArrayOutputStream out = new ByteArrayOutputStream();
wb.write(out);
out.close();
wb.close();
POIFSFileSystem fs2 = new POIFSFileSystem(new ByteArrayInputStream(out.toByteArray()));
SummaryInformation summary2 = (SummaryInformation)PropertySetFactory.create(fs2.createDocumentInputStream(SummaryInformation.DEFAULT_STREAM_NAME));
//failing assertion
assertEquals(title, summary2.getTitle());
fs2.close();
}
@Test
public void testOK() throws Exception {
InputStream is = HSSFTestDataSamples.openSampleFileStream("Simple.xls");
POIFSFileSystem fs = new POIFSFileSystem(is);
is.close();
//set POIFS properties before constructing HSSFWorkbook
SummaryInformation summary1 = (SummaryInformation)PropertySetFactory.create(fs.createDocumentInputStream(SummaryInformation.DEFAULT_STREAM_NAME));
summary1.setTitle(title);
fs.getRoot().getEntry(SummaryInformation.DEFAULT_STREAM_NAME).delete();
fs.createDocument(summary1.toInputStream(), SummaryInformation.DEFAULT_STREAM_NAME);
HSSFWorkbook wb = new HSSFWorkbook(fs);
ByteArrayOutputStream out = new ByteArrayOutputStream();
wb.write(out);
out.close();
wb.close();
//read the property
POIFSFileSystem fs2 = new POIFSFileSystem(new ByteArrayInputStream(out.toByteArray()));
SummaryInformation summary2 = (SummaryInformation)PropertySetFactory.create(fs2.createDocumentInputStream(SummaryInformation.DEFAULT_STREAM_NAME));
assertEquals(title, summary2.getTitle());
fs2.close();
}
}