Made it possible to set the output filename

	* --config <filename> option added.
	* Configuration is now a singleton.

1 files changed, 8 insertions, 3 deletions

diff --git a/src/utils/Configuration.java b/src/utils/Configuration.java
index f5122a5..0b6a44b 100644
--- a/src/utils/Configuration.java
+++ b/src/utils/Configuration.java
@@ -27,8 +27,10 @@ public class Configuration {
 
     public static final String DEFAULT_TWEETS_FILENAME = "tweets.txt";
 
-    private final Properties properties;
+    private static Properties properties;
     private final File storeFile;
+    
+    private static Configuration config;
 
     private Configuration(File storeFile) {
         this.storeFile = storeFile;
@@ -41,9 +43,12 @@ public class Configuration {
             System.err.println("Could not load configuration: " + ex);
         }
     }
-
+    
     public static Configuration getConfig() {
-        return new Configuration(new File("config.txt"));
+        if (config == null) {
+            config = new Configuration(new File("config.txt"));
+        }        
+        return config;
     }
 
     private Properties getDefaults() {