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Fixed a bug where a mutable section's format ID was written in the wrong byte order. Thanks to Bernd Freigang for pointing this out!

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git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@353581 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Rainer Klute 2004-08-13 22:38:52 +00:00
parent e6d500243c
commit b46136d63b
3 changed files with 35 additions and 7 deletions
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16
src/java/org/apache/poi/hpsf/ClassID.java
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@ -95,6 +95,20 @@ public class ClassID
/**
* <p>Sets the bytes making out the class ID.</p>
*
* @param bytes The bytes making out the class ID in big-endian format. They
* are copied without their order being changed.
*/
public void setBytes(final byte[] bytes)
{
for (int i = 0; i < this.bytes.length; i++)
this.bytes[i] = bytes[i];
}
/**
* <p>Reads the class ID's value from a byte array by turning
* little-endian into big-endian.</p>
@ -134,7 +148,7 @@ public class ClassID
/**
* <p>Writes the class ID to a byte array in the
* little-endian.</p>
* little-endian format.</p>
*
* @param dst The byte array to write to.
*

8
src/java/org/apache/poi/hpsf/MutableSection.java
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@ -127,7 +127,13 @@ public class MutableSection extends Section
*/
public void setFormatID(final byte[] formatID)
{
setFormatID(new ClassID(formatID, 0));
ClassID fid = getFormatID();
if (fid == null)
{
fid = new ClassID();
setFormatID(fid);
}
fid.setBytes(formatID);
}

16
src/testcases/org/apache/poi/hpsf/basic/TestWrite.java
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@ -1,4 +1,3 @@
/* ====================================================================
Copyright 2002-2004 Apache Software Foundation
@ -38,6 +37,7 @@ import java.util.Map;
import junit.framework.Assert;
import junit.framework.TestCase;
import org.apache.poi.hpsf.ClassID;
import org.apache.poi.hpsf.Constants;
import org.apache.poi.hpsf.HPSFRuntimeException;
import org.apache.poi.hpsf.IllegalPropertySetDataException;
@ -259,6 +259,8 @@ public class TestWrite extends TestCase
SummaryInformation.DEFAULT_STREAM_NAME);
r.read(new FileInputStream(filename));
Assert.assertNotNull(psa[0]);
Assert.assertTrue(psa[0].isSummaryInformation());
final Section s = (Section) (psa[0].getSections().get(0));
Object p1 = s.getProperty(PropertyIDMap.PID_AUTHOR);
Object p2 = s.getProperty(PropertyIDMap.PID_TITLE);
@ -293,9 +295,9 @@ public class TestWrite extends TestCase
final MutablePropertySet ps = new MutablePropertySet();
ps.clearSections();
final byte[] formatID =
new byte[]{0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15};
final ClassID formatID = new ClassID();
formatID.setBytes(new byte[]{0, 1, 2, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15});
final MutableSection s1 = new MutableSection();
s1.setFormatID(formatID);
s1.setProperty(2, SECTION1);
@ -336,6 +338,7 @@ public class TestWrite extends TestCase
r.read(new FileInputStream(filename));
Assert.assertNotNull(psa[0]);
Section s = (Section) (psa[0].getSections().get(0));
assertEquals(s.getFormatID(), formatID);
Object p = s.getProperty(2);
Assert.assertEquals(SECTION1, p);
s = (Section) (psa[0].getSections().get(1));
@ -529,6 +532,7 @@ public class TestWrite extends TestCase
byte[] bytes = out.toByteArray();
PropertySet psr = new PropertySet(bytes);
assertTrue(psr.isSummaryInformation());
Section sr = (Section) psr.getSections().get(0);
String title = (String) sr.getProperty(PropertyIDMap.PID_TITLE);
assertEquals(TITLE, title);
@ -755,6 +759,10 @@ public class TestWrite extends TestCase
final InputStream in = new ByteArrayInputStream(bytes);
final PropertySet ps2 = PropertySetFactory.create(in);
/* Check if the result is a DocumentSummaryInformation stream, as
* specified. */
assertTrue(ps2.isDocumentSummaryInformation());
/* Compare the property set stream with the corresponding one
* from the origin file and check whether they are equal. */
assertEquals(ps1, ps2);