Allow user-defined port, default sparql number and answer number

src/application/GanswerHttp.java

@@ -8,9 +8,47 @@ import org.eclipse.jetty.server.Handler;
 import qa.Globals;
 
 public class GanswerHttp {
+	static int maxAnswerNum = 100;
+	static int maxSparqlNum = 3;
+	static int defaultPort = 9999;
 	public static void main(String[] args) throws Exception {  
 		//step 1: initialize the server with a given port
-        Server server = new Server(9999);  
+		if(args.length>0){
+			for(int k=0;k<args.length;k++){
+				String[] paras = args[k].split("=");
+				if(paras[0].startsWith("port")){
+					try{
+						defaultPort = Integer.parseInt(paras[1]);
+					}
+					catch(Exception e){
+						System.out.println("Port should be an Integer. Using default port 9999 instead.");
+						defaultPort = 9999;
+					}
+				}
+				else if(paras[0].startsWith("maxAnswerNum")){
+					try{
+						maxAnswerNum = Integer.parseInt(paras[1]);
+					}
+					catch(Exception e){
+						System.out.println("maxAnswerNum should be an Integer. Using default value 100 instead.");
+						maxAnswerNum = 100;
+					}
+				}
+				else if(paras[0].startsWith("maxSparqlNum")){
+					try{
+						maxSparqlNum = Integer.parseInt(paras[1]);
+					}
+					catch(Exception e){
+						System.out.println("maxSparqlNum should be an Integer. Using default value 3 instead.");
+						maxSparqlNum = 9999;
+					}
+				}
+				else{
+					System.out.println("Args "+k+" is not a valid parameter!");
+				}
+			}
+		}
+        Server server = new Server(defaultPort);  
         
         //step 2: attach gAnswer function handler to the server
         ContextHandler contextGS = new ContextHandler("/gSolve");