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%module (directors="1",docstring="Java interface to libmraa") mraa
%feature("autodoc", "3");
%typemap(jtype) (uint8_t *txBuf, int length) "byte[]"
%typemap(jstype) (uint8_t *txBuf, int length) "byte[]"
%typemap(jni) (uint8_t *txBuf, int length) "jbyteArray"
%typemap(javain) (uint8_t *txBuf, int length) "$javainput"
%typemap(in,numinputs=1) (uint8_t *txBuf, int length) {
$1 = JCALL2(GetByteArrayElements, jenv, $input, NULL);
$2 = JCALL1(GetArrayLength, jenv, $input);
}
%typemap(jtype) (uint8_t *data, int length) "byte[]"
%typemap(jstype) (uint8_t *data, int length) "byte[]"
%typemap(jni) (uint8_t *data, int length) "jbyteArray"
%typemap(javain) (uint8_t *data, int length) "$javainput"
%typemap(in,numinputs=1) (uint8_t *data, int length) {
$1 = JCALL2(GetByteArrayElements, jenv, $input, NULL);
$2 = JCALL1(GetArrayLength, jenv, $input);
}
%typemap(argout) (uint8_t *data, int length) {
JCALL3(ReleaseByteArrayElements, jenv, $input, $1, JNI_COMMIT);
}
%typemap(jtype) (const uint8_t *data, int length) "byte[]"
%typemap(jstype) (const uint8_t *data, int length) "byte[]"
%typemap(jni) (const uint8_t *data, int length) "jbyteArray"
%typemap(javain) (const uint8_t *data, int length) "$javainput"
%typemap(in) (const uint8_t *data, int length) {
$1 = JCALL2(GetByteArrayElements, jenv, $input, NULL);
$2 = JCALL1(GetArrayLength, jenv, $input);
}
%typemap(jtype) uint8_t * "byte[]"
%typemap(jstype) uint8_t * "byte[]"
%typemap(jni) uint8_t * "jbyteArray"
%typemap(javaout) uint8_t * {
return $jnicall;
}
%typemap(jtype) jobject runnable "java.lang.Runnable"
%typemap(jstype) jobject runnable "java.lang.Runnable"
namespace mraa {
class Spi;
%typemap(out) uint8_t*
{
/* need to loop over length */
$result = JCALL1(NewByteArray, jenv, arg3);
JCALL4(SetByteArrayRegion, jenv, $result, 0, arg3, (jbyte *) $1);
free($1);
}
}
%ignore write(const char* data, int length);
%ignore read(char* data, int length);
%ignore globVM;
%ignore env_key;
%ignore mraa_java_isr_callback;
%include ../mraa.i
%wrapper %{
#include "java/mraajni.h"
#include "mraa_lang_func.h"
extern mraa_lang_func_t* lang_func;
jint JNI_OnLoad(JavaVM *vm, void *reserved) {
/* initialize mraa and set jni functions */
mraa_result_t res = mraa_init();
if (res == MRAA_SUCCESS) {
mraa_java_set_jvm(vm);
lang_func->java_isr_callback = &mraa_java_isr_callback;
lang_func->java_attach_thread = &mraa_java_attach_thread;
lang_func->java_detach_thread = &mraa_java_detach_thread;
lang_func->java_create_global_ref = &mraa_java_create_global_ref;
lang_func->java_delete_global_ref = &mraa_java_delete_global_ref;
} else {
JNIEnv* jenv;
vm->GetEnv((void**)&jenv, JNI_REQUIRED_VERSION);
SWIG_JavaException(jenv, SWIG_RuntimeError, "mraa_init() failed");
}
return JNI_REQUIRED_VERSION;
}
%}
%pragma(java) jniclasscode=%{
static {
try {
System.loadLibrary("mraajava");
} catch (UnsatisfiedLinkError e) {
System.err.println("Native code library failed to load. \n" + e);
System.exit(1);
}
String javaAPIVersion = mraa.class.getPackage().getSpecificationVersion();
String nativeAPIVersion = mraa.getVersion().substring(1);
String javaMajor = javaAPIVersion.substring(0, javaAPIVersion.indexOf('.'));
String nativeMajor = nativeAPIVersion.substring(0, nativeAPIVersion.indexOf('.'));
if(Integer.parseInt(javaMajor) < Integer.parseInt(nativeMajor)){
System.err.println("Java library is out of date. Please update the Java library.");
System.err.println("Native library version is " + nativeAPIVersion + ". Java library version is " + javaAPIVersion + ".");
System.exit(1);
}
if(Integer.parseInt(javaMajor) > Integer.parseInt(nativeMajor)){
System.err.println("Native library is out of date. Please update the Native library.");
System.err.println("Native library version is " + nativeAPIVersion + ". Java library version is " + javaAPIVersion + ".");
System.exit(1);
}
String javaMinor = javaAPIVersion.substring(javaMajor.length() + 1, javaAPIVersion.indexOf('.', javaMajor.length() + 1));
String nativeMinor = nativeAPIVersion.substring(nativeMajor.length() + 1, nativeAPIVersion.indexOf('.', nativeMajor.length() + 1));
if(Integer.parseInt(javaMinor) < Integer.parseInt(nativeMinor)){
System.err.println("Java library is out of date. Please consider updating the Java library.");
System.err.println("Native library version is " + nativeAPIVersion + ". Java library version is " + javaAPIVersion + ".");
}
if(Integer.parseInt(javaMinor) > Integer.parseInt(nativeMinor)){
System.err.println("Native library is out of date. Please consider updating the Native library.");
System.err.println("Native library version is " + nativeAPIVersion + ". Java library version is " + javaAPIVersion + ".");
}
}
%}
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