custom exception type

Author: mwunderl

sample-apps/java-basic/src/main/java/example/HandlerDivide.java

@@ -8,9 +8,8 @@
 import com.google.gson.GsonBuilder;
 
 import java.util.List;
-import java.lang.RuntimeException;
 
-// Handler value: example.HandlerList
+// Handler value: example.HandlerDivide
 public class HandlerDivide implements RequestHandler<List<Integer>, Integer>{
   Gson gson = new GsonBuilder().setPrettyPrinting().create();
   @Override
@@ -20,7 +19,7 @@ public Integer handleRequest(List<Integer> event, Context context)
     // process event
     if ( event.size() != 2 )
     {
-      throw new RuntimeException("Input must contain 2 numbers.");
+      throw new InputLengthException("Input must be an array that contains 2 numbers.");
     }
     int numerator = event.get(0);
     int denominator = event.get(1);

sample-apps/java-basic/src/main/java/example/InputLengthException.java

@@ -0,0 +1,9 @@
+package example;
+
+import java.lang.RuntimeException;
+
+public class InputLengthException extends RuntimeException { 
+    public InputLengthException(String errorMessage) {
+        super(errorMessage);
+    }
+}