fix for String Matcher in case that no snippet is returned (NPE)

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@7702 6c8d7289-2bf4-0310-a012-ef5d649a1542

source/de/anomic/search/ResultFetcher.java

@@ -344,9 +344,9 @@ public class ResultFetcher {
                     loops++;
                     final ResultEntry resultEntry = fetchSnippet(page, cacheStrategy); // does not fetch snippets if snippetMode == 0
                     if (resultEntry == null) continue; // the entry had some problems, cannot be used
-                    String rawLine = resultEntry.textSnippet().getLineRaw();
+                    String rawLine = resultEntry.textSnippet() == null ? null : resultEntry.textSnippet().getLineRaw();
                     //System.out.println("***SNIPPET*** raw='" + rawLine + "', pattern='" + this.snippetPattern.toString() + "'");
-                    if (!this.snippetPattern.matcher(rawLine).matches()) continue;
+                    if (rawLine != null && !this.snippetPattern.matcher(rawLine).matches()) continue;
                     
                     //if (result.contains(resultEntry)) continue;
                     urlRetrievalAllTime += resultEntry.dbRetrievalTime;