Jonathan created PDFBOX-4540:
--------------------------------
Summary: COSWriter sometimes retrieves wrong ObjectKey
Key: PDFBOX-4540
URL: https://issues.apache.org/jira/browse/PDFBOX-4540
Project: PDFBox
Issue Type: Bug
Components: Writing
Affects Versions: 2.0.14
Reporter: Jonathan
If a COSBase is directly embedded in a COSObject, it should not be assigned a
new object number by the writer. We suggest the following implementation for
`COSWriter.getObjectKey(COSBase)`:
{code:java}
/**
* This will get the object key for the object.
*
* @param obj The object to get the key for.
*
* @return The object key for the object.
*/
protected COSObjectKey getObjectKey( COSBase obj )
{
COSBase actual = obj;
if( actual instanceof COSObject )
{
actual = ((COSObject)obj).getObject();
}
COSObjectKey key = null;
key = objectKeys.get(obj);
if( key == null && actual != null )
{
key = objectKeys.get(actual);
}
if (key == null)
{
setNumber(getNumber()+1);
key = new COSObjectKey(getNumber(),0);
objectKeys.put(obj, key);
if( actual != null )
{
objectKeys.put(actual, key);
}
}
return key;
}
{code}
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