First try to get a reader, then try to open database

Connecting to the database is probably more expensive, so try to read
data first.

1 files changed, 24 insertions, 23 deletions

diff --git a/src/main/Main.java b/src/main/Main.java
index a9abf4a..b21ea16 100644
--- a/src/main/Main.java
+++ b/src/main/Main.java
@@ -49,32 +49,13 @@ public class Main {
         parseGlobalOptions(args);
     }
 
-    public void run() {
+    private void tweetsToDb(ITweetReader reader) throws IOException {
+        Tweet tweet;
         try (Connection connection = cb.create()) {
-
             /* create the object that fills the database */
             DataFiller filler = new DataFiller(connection);
-
-            ITweetReader reader = null;
-            try {
-                if (m_filename == null) {
-                    reader = new TweetReader(System.in);
-                } else {
-                    reader = new FileTweetReader(m_filename);
-                }
-
-                Tweet tweet;
-                while ((tweet = reader.getTweet()) != null) {
-                    filler.processTweet(tweet);
-                }
-            } catch (JsonSyntaxException ex) {
-                System.err.println("Got an invalid tweet: " + ex);
-            } catch (IOException ex) {
-                System.err.println("Cannot open tweets: " + ex);
-            } finally {
-                if (reader != null) {
-                    reader.close();
-                }
+            while ((tweet = reader.getTweet()) != null) {
+                filler.processTweet(tweet);
             }
         } catch (SQLException ex) {
             Logger.getLogger(Main.class.getName()).log(Level.SEVERE,
@@ -82,6 +63,26 @@ public class Main {
         }
     }
 
+    public void run() {
+        ITweetReader reader = null;
+        try {
+            if (m_filename == null) {
+                reader = new TweetReader(System.in);
+            } else {
+                reader = new FileTweetReader(m_filename);
+            }
+            tweetsToDb(reader);
+        } catch (JsonSyntaxException ex) {
+            System.err.println("Got an invalid tweet: " + ex);
+        } catch (IOException ex) {
+            System.err.println("Cannot open tweets: " + ex);
+        } finally {
+            if (reader != null) {
+                reader.close();
+            }
+        }
+    }
+
     private void parseGlobalOptions(String[] args)
             throws IllegalArgumentException {
         /* parse global options */