Proper error handling in the native code and Java wrapper.

CMakeLists.txt

@@ -18,9 +18,20 @@ INCLUDE(UseJava)
 
 ADD_SUBDIRECTORY(src)
 
-FILE(GLOB af_java_src "com/arrayfire/*.java")
-
-ADD_JAR(${AF_JAR} ${af_java_src})
+ADD_JAR(${AF_JAR}
+  com/arrayfire/Algorithm.java
+  com/arrayfire/Arith.java
+  com/arrayfire/ArrayFire.java
+  com/arrayfire/Array.java
+  com/arrayfire/Data.java
+  com/arrayfire/DoubleComplex.java
+  com/arrayfire/FloatComplex.java
+  com/arrayfire/Image.java
+  com/arrayfire/Signal.java
+  com/arrayfire/Util.java
+  com/util/JNIException.java
+  com/arrayfire/ArrayFireException.java
+  )
 
 ADD_DEPENDENCIES(${AF_JAR} ${AF_LIB})
 

com/arrayfire/Algorithm.java

@@ -1,45 +1,57 @@
 package com.arrayfire;
 
-public class Algorithm extends Array {
-
-    // Scalar return operations
-    private native static double sumAll(long a);
-    private native static double maxAll(long a);
-    private native static double minAll(long a);
-
-    private native static long sum(long a, int dim);
-    private native static long max(long a, int dim);
-    private native static long min(long a, int dim);
-
-    // Scalar return operations
-    public static double sumAll(Array a) throws Exception { return sumAll(a.ref); }
-    public static double maxAll(Array a) throws Exception { return maxAll(a.ref); }
-    public static double minAll(Array a) throws Exception { return minAll(a.ref); }
-
-    public static void sum(Array res, Array a, int dim) throws Exception {
-        long ref = sum(a.ref, dim);
-        res.set(ref);
-    }
-
-    public static void max(Array res, Array a, int dim) throws Exception {
-        long ref = max(a.ref, dim);
-        res.set(ref);
-    }
-
-    public static void min(Array res, Array a, int dim) throws Exception {
-        long ref = min(a.ref, dim);
-        res.set(ref);
-    }
-
-    public static void sum(Array res, Array a) throws Exception {
-        sum(res, a, 0);
-    }
-
-    public static void max(Array res, Array a) throws Exception {
-        max(res, a, 0);
-    }
-
-    public static void min(Array res, Array a) throws Exception {
-        min(res, a, 0);
-    }
+public class Algorithm extends ArrayFire {
+
+  // Scalar return operations
+  private native static double sumAll(long a);
+
+  private native static double maxAll(long a);
+
+  private native static double minAll(long a);
+
+  private native static long sum(long a, int dim);
+
+  private native static long max(long a, int dim);
+
+  private native static long min(long a, int dim);
+
+  // Scalar return operations
+  public static double sumAll(Array a) throws Exception {
+    return sumAll(a.ref);
+  }
+
+  public static double maxAll(Array a) throws Exception {
+    return maxAll(a.ref);
+  }
+
+  public static double minAll(Array a) throws Exception {
+    return minAll(a.ref);
+  }
+
+  public static void sum(Array res, Array a, int dim) throws Exception {
+    long ref = sum(a.ref, dim);
+    res.set(ref);
+  }
+
+  public static void max(Array res, Array a, int dim) throws Exception {
+    long ref = max(a.ref, dim);
+    res.set(ref);
+  }
+
+  public static void min(Array res, Array a, int dim) throws Exception {
+    long ref = min(a.ref, dim);
+    res.set(ref);
+  }
+
+  public static void sum(Array res, Array a) throws Exception {
+    sum(res, a, 0);
+  }
+
+  public static void max(Array res, Array a) throws Exception {
+    max(res, a, 0);
+  }
+
+  public static void min(Array res, Array a) throws Exception {
+    min(res, a, 0);
+  }
 }