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Avoid NPE with malformed master-style

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Dominik Stadler 2026-02-14 18:40:12 +01:00
parent e96c9e17c0
commit 692caf0f36
3 changed files with 4 additions and 0 deletions
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4
poi-scratchpad/src/main/java/org/apache/poi/hslf/usermodel/HSLFSlideMaster.java
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@ -112,6 +112,10 @@ public final class HSLFSlideMaster extends HSLFMasterSheet {
return null; return null;
} }
final TxMasterStyleAtom t = _txmaster[txtype]; final TxMasterStyleAtom t = _txmaster[txtype];
if (t == null) {
throw new IllegalStateException("Cannot get master-style for type " + txtype);
}
final List<TextPropCollection> styles = isCharacter ? t.getCharacterStyles() : t.getParagraphStyles(); final List<TextPropCollection> styles = isCharacter ? t.getCharacterStyles() : t.getParagraphStyles();
// TODO: what is the reaction for readOnly=false and styles.isEmpty()? // TODO: what is the reaction for readOnly=false and styles.isEmpty()?
final int minLevel = Math.min(level, styles.size()-1); final int minLevel = Math.min(level, styles.size()-1);

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test-data/slideshow/cf5f6fde99a8b3ea5a4946c258b7abad6f30b0c5.ppt Normal file
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test-data/spreadsheet/stress.xls
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