java: fix Java return types in h3lis331dl

Signed-off-by: Petre Eftime <petre.p.eftime@intel.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>

src/h3lis331dl/h3lis331dl.cxx

@@ -567,3 +567,26 @@ void H3LIS331DL::getXYZ(int *x, int *y, int*z)
   *y = (m_rawY - m_adjY);
   *z = (m_rawZ - m_adjZ);
 }
+
+#ifdef SWIGJAVA
+float *H3LIS331DL::getAcceleration()
+{
+  float *v = new float[3];
+  getAcceleration(&v[0], &v[1], &v[2]);
+  return v;
+}
+
+int *H3LIS331DL::getRawXYZ()
+{
+  int *v = new int[3];
+  getRawXYZ(&v[0], &v[1], &v[2]);
+  return v;
+}
+
+int *H3LIS331DL::getXYZ()
+{
+  int *v = new int[3];
+  getXYZ(&v[0], &v[1], &v[2]);
+  return v;
+}
+#endif

src/h3lis331dl/h3lis331dl.h

@@ -593,6 +593,30 @@ namespace upm {
      */
     void getXYZ(int *x, int *y, int *z);
 
+#ifdef SWIGJAVA
+    /**
+     * Gets acceleration values for each of the axes
+     *
+     * @return Array containing X, Y, Z acceleration values
+     */
+    float *getAcceleration();
+
+    /**
+     * Gets raw axis values
+     *
+     * @return Array containing X, Y, Z raw values
+     */
+    int *getRawXYZ();
+
+    /**
+     * Gets adjusted axis values
+     *
+     * @return Array containing X, Y, Z adjusted axis values
+     */
+    int *getXYZ();
+#endif
+
+
     /**
      * Provides public access to the MRAA I2C context of the class for
      * direct user access

src/h3lis331dl/javaupm_h3lis331dl.i

@@ -12,4 +12,40 @@
     #include "h3lis331dl.h"
 %}
 
+%typemap(jni) float* "jfloatArray"
+%typemap(jstype) float* "float[]"
+%typemap(jtype) float* "float[]"
+
+%typemap(javaout) float* {
+    return $jnicall;
+}
+
+%typemap(out) float *getAcceleration {
+    $result = JCALL1(NewFloatArray, jenv, 3);
+    JCALL4(SetFloatArrayRegion, jenv, $result, 0, 3, $1);
+    delete [] $1;
+}
+
+%typemap(jni) int* "jintArray"
+%typemap(jstype) int* "int[]"
+%typemap(jtype) int* "int[]"
+
+%typemap(javaout) int* {
+    return $jnicall;
+}
+
+%typemap(out) int *getRawXYZ {
+    $result = JCALL1(NewIntArray, jenv, 3);
+    JCALL4(SetIntArrayRegion, jenv, $result, 0, 3, (const int*)$1);
+}
+
+%typemap(out) int *getXYZ {
+    $result = JCALL1(NewIntArray, jenv, 3);
+    JCALL4(SetIntArrayRegion, jenv, $result, 0, 3, (const int*)$1);
+}
+
+%ignore getRawXYZ(int *, int *, int *);
+%ignore getXYZ(int *, int *, int *);
+%ignore getAcceleration(float *, float *, float *);
+
 %include "h3lis331dl.h"