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/* ====================================================================
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.usermodel;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import org.apache.poi.POIDataSamples;
import org.apache.poi.hwpf.HWPFDocument;
import org.apache.poi.hwpf.HWPFTestCase;
import org.apache.poi.hwpf.HWPFTestDataSamples;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.util.IOUtils;
import org.apache.poi.util.TempFile;
import org.junit.jupiter.api.Test;
/**
* Test various write situations
*/
public final class TestHWPFWrite extends HWPFTestCase {
private static final POIDataSamples SAMPLES = POIDataSamples.getDocumentInstance();
/**
* Write to a stream
*/
@Test
void testWriteStream() throws IOException {
HWPFDocument doc = HWPFTestDataSamples.openSampleFile("SampleDoc.doc");
Range r = doc.getRange();
assertEquals("I am a test document\r", r.getParagraph(0).text());
ByteArrayOutputStream baos = new ByteArrayOutputStream();
doc.write(baos);
doc.close();
ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
doc = new HWPFDocument(bais);
r = doc.getRange();
assertEquals("I am a test document\r", r.getParagraph(0).text());
doc.close();
}
/**
* Write to a new file
*/
@Test
void testWriteNewFile() throws IOException {
HWPFDocument doc = HWPFTestDataSamples.openSampleFile("SampleDoc.doc");
Range r = doc.getRange();
assertEquals("I am a test document\r", r.getParagraph(0).text());
File file = TempFile.createTempFile("TestDocument", ".doc");
doc.write(file);
doc.close();
// Check reading from File and Stream
doc = new HWPFDocument(new FileInputStream(file));
r = doc.getRange();
assertEquals("I am a test document\r", r.getParagraph(0).text());
doc.close();
doc = new HWPFDocument(new POIFSFileSystem(file));
r = doc.getRange();
assertEquals("I am a test document\r", r.getParagraph(0).text());
doc.close();
}
/**
* Writing to the file we opened from - note, uses a temp file to avoid
* changing our test files!
*/
@Test
void testInPlaceWrite() throws Exception {
// Setup as a copy of a known-good file
final File file = TempFile.createTempFile("TestDocument", ".doc");
try (InputStream inputStream = SAMPLES.openResourceAsStream("SampleDoc.doc");
FileOutputStream outputStream = new FileOutputStream(file)) {
IOUtils.copy(inputStream, outputStream);
}
// Open from the temp file in read-write mode
POIFSFileSystem poifs = new POIFSFileSystem(file, false);
HWPFDocument doc = new HWPFDocument(poifs.getRoot());
Range r = doc.getRange();
assertEquals("I am a test document\r", r.getParagraph(0).text());
// Change
r.replaceText("X XX a test document\r", false);
// Save in-place, close, re-open and check
doc.write();
doc.close();
poifs.close();
poifs = new POIFSFileSystem(file);
doc = new HWPFDocument(poifs.getRoot());
r = doc.getRange();
assertEquals("X XX a test document\r", r.getParagraph(0).text());
doc.close();
poifs.close();
}
@Test
void testInvalidInPlaceWriteInputStream() throws IOException {
// Can't work for InputStream opened files
try (InputStream is = SAMPLES.openResourceAsStream("SampleDoc.doc");
HWPFDocument doc = new HWPFDocument(is)) {
assertThrows(IllegalStateException.class, doc::write);
}
}
@Test
void testInvalidInPlaceWritePOIFS() throws Exception {
// Can't work for Read-Only files
try (POIFSFileSystem fs = new POIFSFileSystem(SAMPLES.getFile("SampleDoc.doc"), true);
HWPFDocument doc = new HWPFDocument(fs.getRoot())) {
assertThrows(IllegalStateException.class, doc::write);
}
}
}
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