https://issues.apache.org/bugzilla/show_bug.cgi?id=52662
Bug #: 52662
Summary: An incomplete fix for the NPE bug in CharacterRun.java
Product: POI
Version: unspecified
Platform: PC
Status: NEW
Severity: critical
Priority: P2
Component: HWPF
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
The fix revision 1142762 was aimed to remove an NPE bug on the returned value
of "_doc.getFontTable() " in the method "toString" of the file
"/poi/trunk/src/scratchpad/src/org/apache/poi/hwpf/usermodel/CharacterRun.java"
, but it is incomplete.
Since the "_doc.getFontTable()" could be null during the run-time execution,
its returned value should also be null-checked before being dereferenced in
other methods.
The buggy code locations the same fix needs to be applied at are as bellows:
Line 609 of the method "getSymbolFont".
public Ffn getSymbolFont()
{
if (isSymbol()) {
[Line 609] Ffn[] fontNames = _doc.getFontTable().getFontNames();
if (fontNames.length <= _props.getFtcSym())
return null;
return fontNames[_props.getFtcSym()];
} else
throw new IllegalStateException("Not a symbol CharacterRun");
}
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