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Slightly simplify HWPF writing code, and add in-place write tests 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1756003 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2016-08-11 15:27:33 +00:00
parent 8c7c45ecca
commit 34a6732b01
2 changed files with 75 additions and 37 deletions
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45
src/scratchpad/src/org/apache/poi/hwpf/HWPFDocument.java
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@ -22,32 +22,10 @@ import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Iterator;
import org.apache.poi.hpsf.DocumentSummaryInformation;
import org.apache.poi.hpsf.SummaryInformation;
import org.apache.poi.hwpf.model.BookmarksTables;
import org.apache.poi.hwpf.model.CHPBinTable;
import org.apache.poi.hwpf.model.ComplexFileTable;
import org.apache.poi.hwpf.model.DocumentProperties;
import org.apache.poi.hwpf.model.EscherRecordHolder;
import org.apache.poi.hwpf.model.FSPADocumentPart;
import org.apache.poi.hwpf.model.FSPATable;
import org.apache.poi.hwpf.model.FieldsTables;
import org.apache.poi.hwpf.model.FontTable;
import org.apache.poi.hwpf.model.ListTables;
import org.apache.poi.hwpf.model.NoteType;
import org.apache.poi.hwpf.model.NotesTables;
import org.apache.poi.hwpf.model.PAPBinTable;
import org.apache.poi.hwpf.model.PicturesTable;
import org.apache.poi.hwpf.model.RevisionMarkAuthorTable;
import org.apache.poi.hwpf.model.SavedByTable;
import org.apache.poi.hwpf.model.SectionTable;
import org.apache.poi.hwpf.model.SinglentonTextPiece;
import org.apache.poi.hwpf.model.StyleSheet;
import org.apache.poi.hwpf.model.SubdocumentType;
import org.apache.poi.hwpf.model.TextPiece;
import org.apache.poi.hwpf.model.TextPieceTable;
import org.apache.poi.hwpf.model.*;
import org.apache.poi.hwpf.model.io.HWPFFileSystem;
import org.apache.poi.hwpf.model.io.HWPFOutputStream;
import org.apache.poi.hwpf.usermodel.Bookmarks;
@ -938,8 +916,7 @@ public final class HWPFDocument extends HWPFDocumentCore {
{
if ( !docWritten )
{
pfs.createOrUpdateDocument( new ByteArrayInputStream( mainBuf ),
STREAM_WORD_DOCUMENT );
write(pfs, mainBuf, STREAM_WORD_DOCUMENT);
docWritten = true;
}
}
@ -960,8 +937,7 @@ public final class HWPFDocument extends HWPFDocumentCore {
{
if ( !tableWritten )
{
pfs.createOrUpdateDocument( new ByteArrayInputStream( tableBuf ),
STREAM_TABLE_1 );
write(pfs, tableBuf, STREAM_TABLE_1);
tableWritten = true;
}
}
@ -980,8 +956,7 @@ public final class HWPFDocument extends HWPFDocumentCore {
{
if ( !dataWritten )
{
pfs.createOrUpdateDocument( new ByteArrayInputStream( dataBuf ),
STREAM_DATA );
write(pfs, dataBuf, STREAM_DATA);
dataWritten = true;
}
}
@ -992,16 +967,13 @@ public final class HWPFDocument extends HWPFDocumentCore {
}
if ( !docWritten )
pfs.createOrUpdateDocument( new ByteArrayInputStream( mainBuf ),
STREAM_WORD_DOCUMENT );
write(pfs, mainBuf, STREAM_WORD_DOCUMENT);
if ( !tableWritten )
pfs.createOrUpdateDocument( new ByteArrayInputStream( tableBuf ),
STREAM_TABLE_1 );
write(pfs, tableBuf, STREAM_TABLE_1);
if ( !propertiesWritten )
writeProperties( pfs );
if ( !dataWritten )
pfs.createOrUpdateDocument( new ByteArrayInputStream( dataBuf ),
STREAM_DATA );
write(pfs, dataBuf, STREAM_DATA);
if ( !objectPoolWritten && copyOtherEntries )
_objectPool.writeTo( pfs.getRoot() );
@ -1015,6 +987,9 @@ public final class HWPFDocument extends HWPFDocumentCore {
this._tableStream = tableStream.toByteArray();
this._dataStream = dataBuf;
}
private static void write(NPOIFSFileSystem pfs, byte[] data, String name) throws IOException {
pfs.createOrUpdateDocument(new ByteArrayInputStream(data), name);
}
@Internal
public byte[] getDataStream()

67
src/scratchpad/testcases/org/apache/poi/hwpf/usermodel/TestHWPFWrite.java
View File

@ -21,11 +21,16 @@ import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
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.NPOIFSFileSystem;
import org.apache.poi.poifs.filesystem.OPOIFSFileSystem;
import org.apache.poi.poifs.filesystem.POIFSFileSystem;
import org.apache.poi.util.IOUtils;
import org.apache.poi.util.TempFile;
/**
@ -75,7 +80,65 @@ public final class TestHWPFWrite extends HWPFTestCase {
r = doc.getRange();
assertEquals("I am a test document\r", r.getParagraph(0).text());
doc.close();
}
}
// TODO In-place write positive and negative checks
/**
* Writing to the file we opened from - note, uses a temp file to
* avoid changing our test files!
*/
@SuppressWarnings("resource")
public void testInPlaceWrite() throws Exception {
// Setup as a copy of a known-good file
final File file = TempFile.createTempFile("TestDocument", ".doc");
IOUtils.copy(
POIDataSamples.getDocumentInstance().openResourceAsStream("SampleDoc.doc"),
new FileOutputStream(file)
);
// Open from the temp file in read-write mode
HWPFDocument doc = new HWPFDocument(new NPOIFSFileSystem(file, false).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();
doc = new HWPFDocument(new NPOIFSFileSystem(file).getRoot());
assertEquals("X XX a test document\r", r.getParagraph(0).text());
}
@SuppressWarnings("resource")
public void testInvalidInPlaceWrite() throws Exception {
HWPFDocument doc;
// Can't work for InputStream opened files
doc = new HWPFDocument(
POIDataSamples.getDocumentInstance().openResourceAsStream("SampleDoc.doc"));
try {
doc.write();
fail("Shouldn't work for InputStream");
} catch (IllegalStateException e) {}
// Can't work for OPOIFS
OPOIFSFileSystem ofs = new OPOIFSFileSystem(
POIDataSamples.getDocumentInstance().openResourceAsStream("SampleDoc.doc"));
doc = new HWPFDocument(ofs.getRoot());
try {
doc.write();
fail("Shouldn't work for OPOIFSFileSystem");
} catch (IllegalStateException e) {}
// Can't work for Read-Only files
NPOIFSFileSystem fs = new NPOIFSFileSystem(
POIDataSamples.getDocumentInstance().getFile("SampleDoc.doc"), true);
doc = new HWPFDocument(fs.getRoot());
try {
doc.write();
fail("Shouldn't work for Read Only");
} catch (IllegalStateException e) {}
}
}