--- documentViewer/documentViewer.py	2007/06/15 14:16:27	1.29
+++ documentViewer/documentViewer.py	2007/06/22 16:02:55	1.30
@@ -339,9 +339,15 @@ class documentViewer(Folder):
         bibmap=metaData.generateMappingForType(bibtype)
         # if there is no mapping bibmap is empty (mapping sometimes has empty fields)
         if len(bibmap) > 0 and len(bibmap['author'][0]) > 0:
-            docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0])
-            docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0])
-            docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0])
+            try:
+                docinfo['author']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['author'][0])[0])
+            except: pass
+            try:
+                docinfo['title']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['title'][0])[0])
+            except: pass
+            try:
+                docinfo['year']=getTextFromNode(dom.xpath("//bib/%s"%bibmap['year'][0])[0])
+            except: pass
             logging.debug("documentViewer (getbibinfofromindexmeta) using mapping for %s"%bibtype)
             try:
                 docinfo['lang']=getTextFromNode(dom.xpath("//bib/lang")[0])
@@ -426,7 +432,7 @@ class documentViewer(Folder):
        docinfo = self.getBibinfoFromIndexMeta(url,docinfo=docinfo,dom=dom)   # get info von bib tag
        
        if presentationUrls and (len(presentationUrls)>0): # ueberschreibe diese durch presentation informationen 
-            # presentation url ergiebt sich ersetzen von index.meta in der url der fŸr die Metadaten
+            # presentation url ergiebt sich ersetzen von index.meta in der url der fuer die Metadaten
             # durch den relativen Pfad auf die presentation infos
            presentationUrl=url.replace('index.meta',getTextFromNode(presentationUrls[0]))
            docinfo = self.getBibinfoFromTextToolPresentation(presentationUrl,docinfo=docinfo,dom=dom)