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#include "../stdafx.h"
#include "phidget_jni.h"
#include "com_phidgets_GPSPhidget.h"
#include "../cphidgetgps.h"
static jclass irCode_class;
static jmethodID irCode_getInstance;
static jmethodID irCode_set;
static jclass javaTimeZone_class; //class
static jmethodID javaTimeZone_getTimeZone;
EVENT_VARS(gpsPositionFixStatusChange, GPSPositionFixStatusChange)
EVENT_VARS(gpsPositionChange, GPSPositionChange)
JNI_LOAD(gps, GPS)
if (!(irCode_class = (*env)->FindClass(env,"java/util/Calendar")))
JNI_ABORT_STDERR("Couldn't FindClass java.util.Calendar");
if (!(irCode_class = (jclass)(*env)->NewGlobalRef(env, irCode_class)))
JNI_ABORT_STDERR("Couldn't create global ref irCode_class");
if (!(irCode_getInstance = (*env)->GetStaticMethodID(env, irCode_class, "getInstance", "(Ljava/util/TimeZone;)Ljava/util/Calendar;")))
JNI_ABORT_STDERR("Couldn't get method ID getInstance");
if (!(irCode_set = (*env)->GetMethodID(env, irCode_class, "set", "(II)V")))
JNI_ABORT_STDERR("Couldn't get method ID set");
if (!(javaTimeZone_class = (*env)->FindClass(env,"java/util/TimeZone")))
JNI_ABORT_STDERR("Couldn't FindClass java.util.TimeZone");
if (!(javaTimeZone_class = (jclass)(*env)->NewGlobalRef(env, javaTimeZone_class)))
JNI_ABORT_STDERR("Couldn't create global ref java.util.TimeZone");
if (!(javaTimeZone_getTimeZone = (*env)->GetStaticMethodID(env, javaTimeZone_class, "getTimeZone", "(Ljava/lang/String;)Ljava/util/TimeZone;")))
JNI_ABORT_STDERR("Couldn't get method ID from getTimeZone");
EVENT_VAR_SETUP(gps, gpsPositionFixStatusChange, GPSPositionFixStatusChange, Z, V)
EVENT_VAR_SETUP(gps, gpsPositionChange, GPSPositionChange, DDD, V)
}
EVENT_HANDLER(GPS, gpsPositionFixStatusChange, GPSPositionFixStatusChange, CPhidgetGPS_set_OnPositionFixStatusChange_Handler, int)
EVENT_HANDLER_3(GPS, gpsPositionChange, GPSPositionChange, CPhidgetGPS_set_OnPositionChange_Handler, double, double, double)
JNI_CREATE(GPS)
JNI_GETFUNC(GPS, Latitude, Latitude, jdouble)
JNI_GETFUNC(GPS, Longitude, Longitude, jdouble)
JNI_GETFUNC(GPS, Altitude, Altitude, jdouble)
JNI_GETFUNC(GPS, Heading, Heading, jdouble)
JNI_GETFUNC(GPS, Velocity, Velocity, jdouble)
JNI_GETFUNCBOOL(GPS, PositionFixStatus, PositionFixStatus)
JNIEXPORT jobject JNICALL
Java_com_phidgets_GPSPhidget_getDateAndTime(JNIEnv *env, jobject obj)
{
CPhidgetGPSHandle h = (CPhidgetGPSHandle)(uintptr_t)(*env)->GetLongField( env, obj, handle_fid);
int error;
GPSTime cGPSTime;
GPSDate cGPSDate;
jobject GPSTimeAndDate, GPSTimeZone;
char* buf;
if ((error = CPhidgetGPS_getTime(h, &cGPSTime)))
{
PH_THROW(error);
return NULL;
}
if ((error = CPhidgetGPS_getDate(h, &cGPSDate)))
{
PH_THROW(error);
return NULL;
}
buf = "PST\0";
//create a Java abstract TimeZone object with a time zone of UTC
if(!(GPSTimeZone=(*env)->CallStaticObjectMethod(env, javaTimeZone_class, javaTimeZone_getTimeZone,
(*env)->NewStringUTF(env, buf)))){
PH_THROW(EPHIDGET_UNEXPECTED);
return NULL;
}
//calls the Java static method Calendar.getInstance object said TimeZone
if (!(GPSTimeAndDate = (*env)->CallStaticObjectMethod(env, irCode_class, irCode_getInstance, GPSTimeZone)))
{
PH_THROW(EPHIDGET_UNEXPECTED);
return NULL;
}
(*env)->CallVoidMethod(env, GPSTimeAndDate, irCode_set, 1, cGPSDate.tm_year); //year
(*env)->CallVoidMethod(env, GPSTimeAndDate, irCode_set, 2, (cGPSDate.tm_mon-1)); //month(0-11)
(*env)->CallVoidMethod(env, GPSTimeAndDate, irCode_set, 5, cGPSDate.tm_mday); //day(1-31)
(*env)->CallVoidMethod(env, GPSTimeAndDate, irCode_set, 11, (jint)cGPSTime.tm_hour); //hour(0-23)
(*env)->CallVoidMethod(env, GPSTimeAndDate, irCode_set, 12, cGPSTime.tm_min); //minute(0-59)
(*env)->CallVoidMethod(env, GPSTimeAndDate, irCode_set, 13, cGPSTime.tm_sec); //second(0-59)
(*env)->CallVoidMethod(env, GPSTimeAndDate, irCode_set, 14, cGPSTime.tm_ms); //milliseconds
return GPSTimeAndDate;
}
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