Author: nick
Date: Thu Dec 14 03:50:54 2006
New Revision: 487182

URL: http://svn.apache.org/viewvc?view=rev&rev=487182
Log:
Try to work with files that don't have a master SlideListWithText, but go 
straight into a Slides one. Throw a better exception on slides with a mixed 
first SlideListWithText (see bug 41176 for more details)

Modified:
    
jakarta/poi/trunk/src/scratchpad/src/org/apache/poi/hslf/usermodel/SlideShow.java

Modified: 
jakarta/poi/trunk/src/scratchpad/src/org/apache/poi/hslf/usermodel/SlideShow.java
URL: 
http://svn.apache.org/viewvc/jakarta/poi/trunk/src/scratchpad/src/org/apache/poi/hslf/usermodel/SlideShow.java?view=diff&rev=487182&r1=487181&r2=487182
==============================================================================
--- 
jakarta/poi/trunk/src/scratchpad/src/org/apache/poi/hslf/usermodel/SlideShow.java
 (original)
+++ 
jakarta/poi/trunk/src/scratchpad/src/org/apache/poi/hslf/usermodel/SlideShow.java
 Thu Dec 14 03:50:54 2006
@@ -304,22 +304,58 @@
        //  we have to go and find their matching records
        // We always use the latest versions of these records, and use the
        //  SlideAtom/NotesAtom to match them with the StyleAtomSet 
+       //
+       // Some crazy documents don't have a master SlideListWithText, their
+       //  first one is the slide containing one, which makes things fun...
 
        SlideListWithText masterSLWT = 
_documentRecord.getMasterSlideListWithText();
        SlideListWithText slidesSLWT = 
_documentRecord.getSlideSlideListWithText();
        SlideListWithText notesSLWT  = 
_documentRecord.getNotesSlideListWithText();
        
-    //find master slides
+    // Find master slides
+       // Need to ensure they're really master slides, and we're not dealing
+       //  with a crazy document that doesn't have any master slides
     SlideAtomsSet[] masterSets = new SlideAtomsSet[0];
     org.apache.poi.hslf.record.MainMaster[] masterRecords = null;
     if (masterSLWT != null){
-
         masterSets = masterSLWT.getSlideAtomsSets();
-        masterRecords = new 
org.apache.poi.hslf.record.MainMaster[masterSets.length];
-        for(int i=0; i<masterRecords.length; i++) {
-            masterRecords[i] = 
(org.apache.poi.hslf.record.MainMaster)getCoreRecordForSAS(masterSets[i]);
-        }
+
+               // Are they Slides, Master Slides, or some broken mix?
+               int slideCount = 0;
+               int masterCount = 0;
+               for(int i=0; i<masterSets.length; i++) {
+                       Record r = getCoreRecordForSAS(masterSets[i]);
+                       if(r instanceof org.apache.poi.hslf.record.Slide) {
+                               slideCount++;
+                       } else if(r instanceof 
org.apache.poi.hslf.record.MainMaster) {
+                               masterCount++;
+                       } else {
+                               throw new CorruptPowerPointFileException("The 
PowerPoint file had a broken first SlideListWithTexts. This should only contain 
either MainMasters, or Slides, but it contained a record of type " + 
r.getRecordType());
+                       }
+               }
+
+               if(slideCount > 0 && masterCount == 0) {
+                       // Actually the Slide SlideListWithTexts
+                       notesSLWT = slidesSLWT;
+                       slidesSLWT = masterSLWT;
+                       masterSLWT = null;
+               } else if(masterCount >= 0 && slideCount == 0) {
+                       // Is a normal, proper Masters SlideListWithTexts
+                       masterRecords = new 
org.apache.poi.hslf.record.MainMaster[masterSets.length];
+
+                       // Grab the Main Master records
+                       for(int i=0; i<masterRecords.length; i++) {
+                               masterRecords[i] = 
(org.apache.poi.hslf.record.MainMaster)getCoreRecordForSAS(masterSets[i]);
+                       }
+               } else {
+                       // Contains both Slides and Main Masters, is corrupt
+                               throw new CorruptPowerPointFileException("The 
PowerPoint file had a broken first SlideListWithTexts. This should only contain 
either MainMasters, or Slides, but it contained a mix of both (" + slideCount + 
" slides and " + masterCount + " masters)");
+               }
     }
+
+
+       // Having sorted out the masters, that leaves the notes and slides
+
 
        // Start by finding the notes records to go with the entries in
        //  notesSLWT



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