Initial code merge

src/main/java/com/google/code/gossip/GossipRunner.java

@@ -0,0 +1,46 @@
+package com.google.code.gossip;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+
+import org.json.JSONException;
+
+public class GossipRunner {
+	private StartupSettings _settings;
+	
+	public static void main(String[] args) {
+		File configFile;
+		
+		if (args.length == 1) {
+			configFile = new File("./"+args[0]);
+		} else {
+			configFile = new File("gossip.conf");
+		}
+		
+		new GossipRunner(configFile);
+	}
+	
+	public GossipRunner(File configFile) {
+		
+		if (configFile != null && configFile.exists()) {
+			try {
+				System.out.println("Parsing the configuration file...");
+				_settings = StartupSettings.fromJSONFile(configFile);
+				GossipService gossipService = new GossipService(_settings);
+				System.out.println("Gossip service successfully inialized, let's start it...");
+				gossipService.start();
+			} catch (FileNotFoundException e) {
+				System.err.println("The given file is not found!");
+			} catch (JSONException e) {
+				System.err.println("The given file is not in the correct JSON format!");
+			} catch (IOException e) {
+				System.err.println("Could not read the configuration file: " + e.getMessage());
+			} catch (InterruptedException e) {
+				System.err.println("Error while starting the gossip service: " + e.getMessage());
+			}
+		} else {
+			System.out.println("The gossip.conf file is not found.\n\nEither specify the path to the startup settings file or place the gossip.json file in the same folder as the JAR file.");
+		}
+	}
+}