[DL-Learner SVN] SF.net SVN: dl-learner:[1268] trunk/src/dl-learner/org/dllearner/server/ DLLearnerWSStart.java

[<jen...@us...>]

Revision: 1268
          http://dl-learner.svn.sourceforge.net/dl-learner/?rev=1268&view=rev
Author:   jenslehmann
Date:     2008-09-26 13:18:07 +0000 (Fri, 26 Sep 2008)

Log Message:
-----------
added parameter to web service for starting it in non-interactive mode

Modified Paths:
--------------
    trunk/src/dl-learner/org/dllearner/server/DLLearnerWSStart.java

Modified: trunk/src/dl-learner/org/dllearner/server/DLLearnerWSStart.java
===================================================================
--- trunk/src/dl-learner/org/dllearner/server/DLLearnerWSStart.java	2008-09-26 12:52:19 UTC (rev 1267)
+++ trunk/src/dl-learner/org/dllearner/server/DLLearnerWSStart.java	2008-09-26 13:18:07 UTC (rev 1268)
@@ -47,29 +47,45 @@
  */
 public class DLLearnerWSStart {
 
+	/**
+	 * DL-Learner web service startup method.
+	 * 
+	 * @param args
+	 * --non-interactive starts the web service in a mode, where
+	 * it does not wait for user input, i.e. it cannot be terminated
+	 * using exit. Use this in conjunction with nohup.
+	 */
 	public static void main(String[] args) {
-	    	
-	    	//create web service logger
-	    	SimpleLayout layout = new SimpleLayout();
+
+		// "interactive" means that the web service waits for the
+		// user to type "exit" and exit gracefully; it 
+		// non-interactive mode, the web service is started and has
+		// to be terminated externally (e.g. killing its process);
+		// when using nohup, please use noninteractive mode
+		boolean interactive = true;
+		if (args.length > 0 && args[0].equals("--non-interactive")) {
+			interactive = false;
+		}
+		
+		// create web service logger
+		SimpleLayout layout = new SimpleLayout();
 		ConsoleAppender consoleAppender = new ConsoleAppender(layout);
 		Logger logger = Logger.getRootLogger();
-		
-	    	FileAppender fileAppenderNormal = null;
-	    	File f = new File("log/sparql.txt");
+
+		FileAppender fileAppenderNormal = null;
+		File f = new File("log/sparql.txt");
 		try {
-		    	fileAppenderNormal = new FileAppender(layout, "log/log.txt", false);
-		    	f.delete();
-		    	f.createNewFile();
+			fileAppenderNormal = new FileAppender(layout, "log/log.txt", false);
+			f.delete();
+			f.createNewFile();
 		} catch (IOException e) {
 			e.printStackTrace();
 		}
-		
-		
+
 		logger.removeAllAppenders();
 		logger.addAppender(consoleAppender);
 		logger.addAppender(fileAppenderNormal);
 		logger.setLevel(Level.INFO);
-		
 
 		InetSocketAddress isa = new InetSocketAddress("localhost", 8181);
 		HttpServer server = null;
@@ -92,30 +108,32 @@
 
 		System.out.println("OK.");
 
-		System.out.println("Type \"exit\" to terminate web service.");
-		boolean terminate = false;
-		String inputString = "";
-		do {
-			BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
+		if(interactive) {
+			System.out.println("Type \"exit\" to terminate web service.");
+			boolean terminate = false;
+			String inputString = "";
+			do {
+				BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
+	
+				try {
+					inputString = input.readLine();
+				} catch (IOException e) {
+					e.printStackTrace();
+				}
+	
+				if (inputString.equals("exit"))
+					terminate = true;
+	
+			} while (!terminate);
+	
+			System.out.print("Stopping web service ... ");
+			endpoint.stop();
+	
+			server.stop(1);
+			threads.shutdown();
+			System.out.println("OK.");
+		}
 
-			try {
-				inputString = input.readLine();
-			} catch (IOException e) {
-				e.printStackTrace();
-			}
-
-			if (inputString.equals("exit"))
-				terminate = true;
-
-		} while (!terminate);
-
-		System.out.print("Stopping web service ... ");
-		endpoint.stop();
-
-		server.stop(1);
-		threads.shutdown();
-		System.out.println("OK.");
-
 	}
 
 }


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.