diff options
Diffstat (limited to 'Java/phidget_jni.c')
| -rw-r--r-- | Java/phidget_jni.c | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/Java/phidget_jni.c b/Java/phidget_jni.c new file mode 100644 index 0000000..1ec7ca6 --- /dev/null +++ b/Java/phidget_jni.c @@ -0,0 +1,156 @@ +#include "../stdafx.h" +#include <stdlib.h> +#include "../cphidget.h" +#include "phidget_jni.h" +#include <stdio.h> + +JavaVM *ph_vm = 0; + +jclass phidget_class; +jmethodID phidget_cons; + +jclass ph_exception_class; +jmethodID ph_exception_cons; + +jclass attachEvent_class; +jmethodID attachEvent_cons; + +jclass detachEvent_class; +jmethodID detachEvent_cons; + +jclass errorEvent_class; +jmethodID errorEvent_cons; + +jclass serverConnectEvent_class; +jmethodID serverConnectEvent_cons; + +jclass serverDisconnectEvent_class; +jmethodID serverDisconnectEvent_cons; + +jint JNICALL +JNI_OnLoad(JavaVM *vm, void *reserved) +{ + JNIEnv *env; + jint version = 0; + jint result; + + ph_vm = vm; + + result = (*vm)->GetEnv(vm, (void **)&env, JNI_VERSION_1_4); + + if(result == JNI_EDETACHED) + if ((*vm)->AttachCurrentThread(vm, (JNIEnvPtr)&env, NULL)) + JNI_ABORT_STDERR("Couldn't Attach Thread"); + + if(!(version = (*env)->GetVersion(env))) + JNI_ABORT_STDERR("Couldn't get version"); + LOG(PHIDGET_LOG_DEBUG,"JNI Version: %08x",version); + + //Load all Phidget classes, and needed methods and fields... + //Phidget + if (!(phidget_class = (*env)->FindClass(env, "com/phidgets/Phidget"))) + JNI_ABORT_STDERR(""); + if (!(phidget_class = (jclass)(*env)->NewGlobalRef(env, phidget_class))) + JNI_ABORT_STDERR(""); + if (!(phidget_cons = (*env)->GetMethodID(env, phidget_class, "<init>", "(J)V"))) + JNI_ABORT_STDERR(""); + + //PhidgetException + if (!(ph_exception_class = (*env)->FindClass(env, "com/phidgets/PhidgetException"))) + JNI_ABORT_STDERR("Coulnd't FindClass com/phidgets/PhidgetException"); + if (!(ph_exception_class = (jclass)(*env)->NewGlobalRef(env, ph_exception_class))) + JNI_ABORT_STDERR("Couldn't create global ref ph_exception_class"); + if (!(ph_exception_cons = (*env)->GetMethodID(env, ph_exception_class, "<init>", "(ILjava/lang/String;)V"))) + JNI_ABORT_STDERR("Couldn't get Method ID <init> from ph_exception_class"); + + //AttachEvent + if (!(attachEvent_class = (*env)->FindClass(env, "com/phidgets/event/AttachEvent"))) + JNI_ABORT_STDERR("Coulnd't FindClass com/phidgets/AttachEvent"); + if (!(attachEvent_class = (jclass)(*env)->NewGlobalRef(env, attachEvent_class))) + JNI_ABORT_STDERR("Couldn't create global ref attachEvent_class"); + if (!(attachEvent_cons = (*env)->GetMethodID(env, attachEvent_class, "<init>", "(Lcom/phidgets/Phidget;)V"))) + JNI_ABORT_STDERR("Couldn't get method ID <init> from attachEvent_class"); + + //DetachEvent + if (!(detachEvent_class = (*env)->FindClass(env, "com/phidgets/event/DetachEvent"))) + JNI_ABORT_STDERR("Coulnd't FindClass com/phidgets/DetachEvent"); + if (!(detachEvent_class = (jclass)(*env)->NewGlobalRef(env, detachEvent_class))) + JNI_ABORT_STDERR("Couldn't create global ref detachEvent_class"); + if (!(detachEvent_cons = (*env)->GetMethodID(env, detachEvent_class, "<init>", "(Lcom/phidgets/Phidget;)V"))) + JNI_ABORT_STDERR("Couldn't get method ID <init> from detachEvent_class"); + + //ErrorEvent + if (!(errorEvent_class = (*env)->FindClass(env, "com/phidgets/event/ErrorEvent"))) + JNI_ABORT_STDERR("Coulnd't FindClass com/phidgets/ErrorEvent"); + if (!(errorEvent_class = (jclass)(*env)->NewGlobalRef(env, errorEvent_class))) + JNI_ABORT_STDERR("Couldn't create global ref errorEvent_class"); + if (!(errorEvent_cons = (*env)->GetMethodID(env, errorEvent_class, "<init>", "(Lcom/phidgets/Phidget;Lcom/phidgets/PhidgetException;)V"))) + JNI_ABORT_STDERR("Couldn't get method ID <init> from errorEvent_class"); + + //ServerConnectEvent + if (!(serverConnectEvent_class = (*env)->FindClass(env, "com/phidgets/event/ServerConnectEvent"))) + JNI_ABORT_STDERR("Couldn't FindClass com/phidgets/ServerConnectEvent"); + if (!(serverConnectEvent_class = (jclass)(*env)->NewGlobalRef(env, serverConnectEvent_class))) + JNI_ABORT_STDERR("Couldn't create global ref serverConnectEvent_class"); + if (!(serverConnectEvent_cons = (*env)->GetMethodID(env, serverConnectEvent_class, "<init>", "(Ljava/lang/Object;)V"))) + JNI_ABORT_STDERR("Couldn't get method ID <init> from serverConnectEvent_class"); + + //ServerDisconnectEvent + if (!(serverDisconnectEvent_class = (*env)->FindClass(env, "com/phidgets/event/ServerDisconnectEvent"))) + JNI_ABORT_STDERR("Couldn't FindClass com/phidgets/ServerDisconnectEvent"); + if (!(serverDisconnectEvent_class = (jclass)(*env)->NewGlobalRef(env, serverDisconnectEvent_class))) + JNI_ABORT_STDERR("Couldn't create global ref serverDisconnectEvent_class"); + if (!(serverDisconnectEvent_cons = (*env)->GetMethodID(env, serverDisconnectEvent_class, "<init>", "(Ljava/lang/Object;)V"))) + JNI_ABORT_STDERR("Couldn't get method ID <init> from serverDisconnectEvent_class"); + + com_phidgets_Phidget_OnLoad(env); + com_phidgets_Manager_OnLoad(env); + com_phidgets_Dictionary_OnLoad(env); + com_phidgets_DictionaryKeyListener_OnLoad(env); + com_phidgets_AccelerometerPhidget_OnLoad(env); + com_phidgets_AdvancedServoPhidget_OnLoad(env); + com_phidgets_AnalogPhidget_OnLoad(env); + com_phidgets_BridgePhidget_OnLoad(env); + com_phidgets_EncoderPhidget_OnLoad(env); + com_phidgets_FrequencyCounterPhidget_OnLoad(env); + com_phidgets_GPSPhidget_OnLoad(env); + com_phidgets_InterfaceKitPhidget_OnLoad(env); + com_phidgets_IRPhidget_OnLoad(env); + com_phidgets_LEDPhidget_OnLoad(env); + com_phidgets_MotorControlPhidget_OnLoad(env); + com_phidgets_PHSensorPhidget_OnLoad(env); + com_phidgets_RFIDPhidget_OnLoad(env); + com_phidgets_ServoPhidget_OnLoad(env); + com_phidgets_SpatialPhidget_OnLoad(env); + com_phidgets_StepperPhidget_OnLoad(env); + com_phidgets_TemperatureSensorPhidget_OnLoad(env); + com_phidgets_TextLCDPhidget_OnLoad(env); + com_phidgets_TextLEDPhidget_OnLoad(env); + com_phidgets_WeightSensorPhidget_OnLoad(env); + +#ifdef _ANDROID + if(com_phidgets_usb_Phidget_OnLoad(env) && com_phidgets_usb_Manager_OnLoad(env)) + AndroidUsbJarAvailable = PTRUE; + else + AndroidUsbJarAvailable = PFALSE; +#endif + + return JNI_VERSION_1_4; +} + +jlong +updateGlobalRef(JNIEnv *env, jobject obj, jfieldID fid, jboolean b) +{ + /* + * Manages the global reference held by phidget21 to the handler + * target. + */ + jlong gr; + + if ((gr = (*env)->GetLongField(env, obj, fid)) != 0) + (*env)->DeleteGlobalRef(env, (jobject)(uintptr_t)gr); + gr = b ? (jlong)(uintptr_t)(*env)->NewGlobalRef(env, obj) : 0; + (*env)->SetLongField(env, obj, fid, gr); + + return gr; +} |