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Avoid a rare ArrayIndexOutOfBoundsException on some word table stuff (patch from bug #44078) 

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@604878 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2007-12-17 14:19:19 +00:00
parent a1f9da0930
commit e5f8b9951c
3 changed files with 22 additions and 3 deletions
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6
src/scratchpad/src/org/apache/poi/hwpf/sprm/TableSprmUncompressor.java
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@ -148,8 +148,10 @@ public class TableSprmUncompressor
for (int x = 0; x < itcMac; x++) for (int x = 0; x < itcMac; x++)
{ {
if(hasTCs) rgtc[x] = TableCellDescriptor.convertBytesToTC(grpprl, // Sometimes, the grpprl does not contain data at every offset. I have no idea why this happens.
offset + (1 + ( (itcMac + 1) * 2) + (x * 20))); if(hasTCs && offset + (1 + ( (itcMac + 1) * 2) + (x * 20)) < grpprl.length)
rgtc[x] = TableCellDescriptor.convertBytesToTC(grpprl,
offset + (1 + ( (itcMac + 1) * 2) + (x * 20)));
else else
rgtc[x] = new TableCellDescriptor(); rgtc[x] = new TableCellDescriptor();
} }

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src/scratchpad/testcases/org/apache/poi/hwpf/data/AIOOB-Tap.doc Normal file
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19
src/scratchpad/testcases/org/apache/poi/hwpf/usermodel/TestProblems.java
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@ -53,8 +53,25 @@ public class TestProblems extends TestCase {
Section s = r.getSection(x); Section s = r.getSection(x);
for (int y = 0; y < s.numParagraphs(); y++) { for (int y = 0; y < s.numParagraphs(); y++) {
Paragraph paragraph = s.getParagraph(y); Paragraph paragraph = s.getParagraph(y);
System.out.println(paragraph.getCharacterRun(0).text()); //System.out.println(paragraph.getCharacterRun(0).text());
} }
} }
} }
/**
* AIOOB for TableSprmUncompressor.unCompressTAPOperation
*/
public void testSprmAIOOB() throws Exception {
HWPFDocument doc = new HWPFDocument(new FileInputStream(dirname + "/AIOOB-Tap.doc"));
Range r = doc.getRange();
StyleSheet styleSheet = doc.getStyleSheet();
for (int x = 0; x < r.numSections(); x++) {
Section s = r.getSection(x);
for (int y = 0; y < s.numParagraphs(); y++) {
Paragraph paragraph = s.getParagraph(y);
//System.out.println(paragraph.getCharacterRun(0).text());
}
}
}
} }