Don't try to index empty documentation txt files
If a documentation txt file has no content, parsing the document title
from it in the DocIndexer fails with a NullPointerException:
Exception in thread "main" java.lang.NullPointerException
at java.util.regex.Matcher.getTextLength(Matcher.java:1234)
at java.util.regex.Matcher.reset(Matcher.java:308)
at java.util.regex.Matcher.<init>(Matcher.java:228)
at java.util.regex.Pattern.matcher(Pattern.java:1088)
at DocIndexer.index(DocIndexer.java:117)
at DocIndexer.invoke(DocIndexer.java:86)
at DocIndexer.main(DocIndexer.java:163)
Change-Id: Idb4b808847d326ba49c9a2494a95b1cad8eb9406
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
1 file changed
