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fixed bug 42486: Failure parsing a seemingly valid PPT. Some of the assertions in ExHyperlink were too strong. Write to log instead of throwing exception

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git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@541632 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yegor Kozlov 2007-05-25 13:03:26 +00:00
parent 3bcdf011d1
commit 09b709f426
3 changed files with 29 additions and 23 deletions
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31
src/scratchpad/src/org/apache/poi/hslf/record/ExHyperlink.java
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@ -20,6 +20,7 @@ import java.io.IOException;
import java.io.OutputStream;
import org.apache.poi.util.LittleEndian;
import org.apache.poi.util.POILogger;
/**
* This class represents the data of a link in the document.
@ -93,35 +94,23 @@ public class ExHyperlink extends RecordContainer {
* methods.
*/
private void findInterestingChildren() {
// We need to have 2 children, ideally 3, and sometimes have more
if(_children.length < 2) {
throw new IllegalStateException("We need at least two child records, but we only had " + _children.length);
}
// First child should be the ExHyperlinkAtom
if(_children[0] instanceof ExHyperlinkAtom) {
linkAtom = (ExHyperlinkAtom)_children[0];
} else {
throw new IllegalStateException("First child record wasn't a ExHyperlinkAtom, was of type " + _children[0].getRecordType());
logger.log(POILogger.ERROR, "First child record wasn't a ExHyperlinkAtom, was of type " + _children[0].getRecordType());
}
// Second child should be the first link details
if(_children[1] instanceof CString) {
linkDetailsA = (CString)_children[1];
} else {
throw new IllegalStateException("Second child record wasn't a CString, was of type " + _children[1].getRecordType());
}
for (int i = 1; i < _children.length; i++) {
if (_children[i] instanceof CString){
if ( linkDetailsA == null) linkDetailsA = (CString)_children[i];
else linkDetailsB = (CString)_children[i];
} else {
logger.log(POILogger.ERROR, "Record after ExHyperlinkAtom wasn't a CString, was of type " + _children[1].getRecordType());
}
// Third child, if it exists, should be the second link details
if(_children.length >= 3) {
if(_children[2] instanceof CString) {
linkDetailsB = (CString)_children[2];
} else {
throw new IllegalStateException("Third child record wasn't a CString, was of type " + _children[2].getRecordType());
}
} else {
// Should be fine to not have one
}
}
}
/**

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src/scratchpad/testcases/org/apache/poi/hslf/data/42486.ppt Normal file
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17
src/scratchpad/testcases/org/apache/poi/hslf/usermodel/TestBugs.java
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@ -184,4 +184,21 @@ public class TestBugs extends TestCase {
}
}
/**
* Bug 42486: Failure parsing a seemingly valid PPT
*/
public void test42486 () throws Exception {
FileInputStream is = new FileInputStream(new File(cwd, "42486.ppt"));
HSLFSlideShow hslf = new HSLFSlideShow(is);
is.close();
SlideShow ppt = new SlideShow(hslf);
Slide[] slide = ppt.getSlides();
for (int i = 0; i < slide.length; i++) {
Shape[] shape = slide[i].getShapes();
}
assertTrue("No Exceptions while reading file", true);
}
}