modify examples according to issue #24, i.e. if output-folder does not

exist, it is created.

jsprit-examples/src/main/java/examples/CompareAlgorithmExample.java

@@ -20,6 +20,8 @@
  ******************************************************************************/
 package examples;
 
+import java.io.File;
+
 import readers.SolomonReader;
 import algorithms.GreedySchrimpfFactory;
 import algorithms.SchrimpfFactory;
@@ -35,7 +37,16 @@ public class CompareAlgorithmExample {
 	 * @param args
 	 */
 	public static void main(String[] args) {
-
+		/*
+		 * some preparation - create output folder
+		 */
+		File dir = new File("output");
+		// if the directory does not exist, create it
+		if (!dir.exists()){
+			System.out.println("creating directory ./output");
+			boolean result = dir.mkdir();  
+			if(result) System.out.println("./output created");  
+		}
 		/*
 		 * Build the problem.
 		 * 

jsprit-examples/src/main/java/examples/MultipleDepotExample.java

@@ -1,5 +1,6 @@
 package examples;
 
+import java.io.File;
 import java.util.Arrays;
 import java.util.Collection;
 
@@ -18,7 +19,6 @@ import basics.algo.VehicleRoutingAlgorithmListeners.Priority;
 import basics.io.VrpXMLReader;
 import basics.route.Vehicle;
 import basics.route.VehicleImpl;
-import basics.route.VehicleType;
 import basics.route.VehicleTypeImpl;
 
 public class MultipleDepotExample {
@@ -27,7 +27,16 @@ public class MultipleDepotExample {
 	 * @param args
 	 */
 	public static void main(String[] args) {
-		
+		/*
+		 * some preparation - create output folder
+		 */
+		File dir = new File("output");
+		// if the directory does not exist, create it
+		if (!dir.exists()){
+			System.out.println("creating directory ./output");
+			boolean result = dir.mkdir();  
+			if(result) System.out.println("./output created");  
+		}
 		VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
 		/*
 		 * Read cordeau-instance p01, BUT only its services without any vehicles 

jsprit-examples/src/main/java/examples/MultipleDepotExampleWithPenaltyVehicles.java

@@ -1,5 +1,6 @@
 package examples;
 
+import java.io.File;
 import java.util.Arrays;
 import java.util.Collection;
 
@@ -29,6 +30,16 @@ public class MultipleDepotExampleWithPenaltyVehicles {
 	 * @param args
 	 */
 	public static void main(String[] args) {
+		/*
+		 * some preparation - create output folder
+		 */
+		File dir = new File("output");
+		// if the directory does not exist, create it
+		if (!dir.exists()){
+			System.out.println("creating directory ./output");
+			boolean result = dir.mkdir();  
+			if(result) System.out.println("./output created");  
+		}
 		
 		VehicleRoutingProblem.Builder vrpBuilder = VehicleRoutingProblem.Builder.newInstance();
 		/*

jsprit-examples/src/main/java/examples/RefuseCollectionExample.java

@@ -155,6 +155,16 @@ public class RefuseCollectionExample {
 	 * @throws IOException 
 	 */
 	public static void main(String[] args) throws IOException {
+		/*
+		 * some preparation - create output folder
+		 */
+		File dir = new File("output");
+		// if the directory does not exist, create it
+		if (!dir.exists()){
+			System.out.println("creating directory ./output");
+			boolean result = dir.mkdir();  
+			if(result) System.out.println("./output created");  
+		}
 		
 		/*
 		 * create vehicle-type and vehicle

jsprit-examples/src/main/java/examples/SimpleExample.java

@@ -20,6 +20,7 @@
  ******************************************************************************/
 package examples;
 
+import java.io.File;
 import java.util.Collection;
 
 import util.Coordinate;
@@ -42,6 +43,16 @@ import basics.route.VehicleTypeImpl;
 public class SimpleExample {
 	
 	public static void main(String[] args) {
+		/*
+		 * some preparation - create output folder
+		 */
+		File dir = new File("output");
+		// if the directory does not exist, create it
+		if (!dir.exists()){
+			System.out.println("creating directory ./output");
+			boolean result = dir.mkdir();  
+			if(result) System.out.println("./output created");  
+		}
 		
 		/*
 		 * get a vehicle type-builder and build a type with the typeId "vehicleType" and a capacity of 2

jsprit-examples/src/main/java/examples/SolomonExample.java

@@ -20,6 +20,7 @@
  ******************************************************************************/
 package examples;
 
+import java.io.File;
 import java.util.Collection;
 
 import readers.SolomonReader;
@@ -39,7 +40,16 @@ import basics.algo.VehicleRoutingAlgorithmListeners.Priority;
 public class SolomonExample {
 	
 	public static void main(String[] args) {
-		
+		/*
+		 * some preparation - create output folder
+		 */
+		File dir = new File("output");
+		// if the directory does not exist, create it
+		if (!dir.exists()){
+			System.out.println("creating directory ./output");
+			boolean result = dir.mkdir();  
+			if(result) System.out.println("./output created");  
+		}
 		
 		/*
 		 * Build the problem.