JNIEXPORT jstring JNICALL Java_excute_readMsgFromMsgQ(JNIEnv *env, jobject, jint msgQKey) {
char buff[2048];
mMsgQ mq(msgQKey);
mq.recvMsg(buff);
jstring result = stoJstring(env, (const char*)buff);
return result;
}
static jstring
Operator_device_Cmd_String(JNIEnv *env ,jobject obj,jstring value,jint type ,jint cmd, jint val)
{
const char * mac = env -> GetStringUTFChars(value, 0);
jstring result ;
result = stoJstring(env, (device->operator_device_string(mac, type, cmd, val) ) );
return result;
}
static jstring
Read_device(JNIEnv *env ,jobject obj)
{
// JNIEnv *env;
jstring result ;
// ALOGI("from jason debug msg------------------>Now here in List_device!\n");
result = stoJstring(env, (device->read_device() ) );
return result;
}
static jstring
Write_device(JNIEnv *env ,jobject obj, jstring value, jint type, jint cmd, jint val)
{
// JNIEnv *env;
jstring result ;
const char* mac = env ->GetStringUTFChars(value,0) ;
// ALOGI("from jason debug msg------------------>Now here in List_device!\n");
result = stoJstring(env, (device->write_device(mac, type, cmd, val) ) );
return result;
}
// count is a static value, record the number of TOC items that remained after geting #times.
// 100 items each time.
JNIEXPORT jobjectArray JNICALL Java_com_pvi_ap_reader_external_pdf_pdfReader_getChapterList
(JNIEnv *env, jobject obj, jint times )
{
LOG_READER_DEBUG("in : %s", __func__);
g_jniEnv = env; g_this = obj;
if (reader==NULL) { LOG_ERROR("no pdf reader, init() firstly!\n"); return NULL; }
const int max_obj = 100;
list< toc_item > toc_list = reader->get_toc_list();
static int count = count = toc_list.size();
jobjectArray args = 0; //申明一个object数组
jsize len = 0; //数组大小
if (count>max_obj)
{
len = max_obj;
count -= max_obj;
}
else
{
len = count;
}
if (toc_list.size()==0) {
return args;
}
//获取object所属类,一般为ava/lang/Object就可以了
jclass objClass = (env)->FindClass("com/pvi/ap/reader/external/pdf/ChapterInfo");
//新建object数组
args = (env)->NewObjectArray(len, objClass, 0);
if (args==NULL)
{
LOG_ERROR("can not new object array");
return args;
}
/**//* 下面为获取到Java中对应的实例类中的变量*/
//获取Java中的实例类
jclass objectClass = (env)->FindClass("com/pvi/ap/reader/external/pdf/ChapterInfo");
jmethodID methodId= env->GetMethodID(objectClass,"<init>","()V");
//获取类中每一个变量的定义
jfieldID titleId = (env)->GetFieldID(objectClass,"title","Ljava/lang/String;");
jfieldID positionId = (env)->GetFieldID(objectClass,"position","I");
jfieldID levelId= (env)->GetFieldID(objectClass,"level","I");
//给每一个实例的变量付值，并且将实例作为一个object，添加到objcet数组中
list<toc_item>::iterator it;
int i;
for (it = toc_list.begin(),i=0;i<max_obj*times;it++,i++)
;
for(i=0; (it != toc_list.end()) && i<len; it++,i++ )
{
jobject _obj= env->AllocObject(objectClass);
// jobject _obj= env->NewObject(objectClass, methodId);
//给每一个实例的变量付值
jstring jtitle = stoJstring(env, (*it).title);
(env)->SetObjectField(_obj,titleId,jtitle);
(env)->SetIntField(_obj,positionId,(*it).position);
(env)->SetIntField(_obj,levelId,(*it).level);
//添加到objcet数组中
(env)->SetObjectArrayElement(args, i, _obj);
LOGD("%d: %s:", i, (*it).title);
}
LOG_READER_DEBUG("out: %s", __func__);
//返回object数组
return args;
}
void AddArg(JNIEnv *env, jobject args, yeguang::ValueObject& valueobj)
{
jclass clazz_arg = env->FindClass("com/yeguang/paramprotocol/ParamArg");
jmethodID mid_arg = NULL;
jobject argobj = NULL;
yeguang::emValueType type = valueobj.GetType();
switch(type)
{
case yeguang::BOOLVALUE:
{
mid_arg = env->GetMethodID(clazz_arg, "<init>", "(Z)V");
argobj = env->NewObject(clazz_arg, mid_arg, (jboolean)valueobj.GetBoolean());
}break;
case yeguang::CHARVALUE:
{
mid_arg = env->GetMethodID(clazz_arg, "<init>", "(C)V");
argobj = env->NewObject(clazz_arg, mid_arg, (jchar)valueobj.GetChar());
}break;
case yeguang::SHORTVALUE:
{
mid_arg = env->GetMethodID(clazz_arg, "<init>", "(S)V");
argobj = env->NewObject(clazz_arg, mid_arg, (jshort)valueobj.GetShort());
}break;
case yeguang::INTVALUE:
{
mid_arg = env->GetMethodID(clazz_arg, "<init>", "(I)V");
argobj = env->NewObject(clazz_arg, mid_arg, (jint)valueobj.GetInt());
}break;
case yeguang::LONGVALUE:
{
mid_arg = env->GetMethodID(clazz_arg, "<init>", "(J)V");
argobj = env->NewObject(clazz_arg, mid_arg, (jlong)valueobj.GetLong());
}break;
case yeguang::FLOATVALUE:
{
mid_arg = env->GetMethodID(clazz_arg, "<init>", "(F)V");
argobj = env->NewObject(clazz_arg, mid_arg, (jfloat)valueobj.GetFloat());
}break;
case yeguang::DOUBLEVALUE:
{
mid_arg = env->GetMethodID(clazz_arg, "<init>", "(D)V");
argobj = env->NewObject(clazz_arg, mid_arg, (jfloat)valueobj.GetDouble());
}break;
case yeguang::STRINGVALUE:
{
mid_arg = env->GetMethodID(clazz_arg, "<init>", "(Ljava/lang/String;)V");
jstring strtmp = stoJstring(env, valueobj.GetString().c_str());
argobj = env->NewObject(clazz_arg, mid_arg, strtmp);
}break;
case yeguang::BYTEARRAY:
{
mid_arg = env->GetMethodID(clazz_arg, "<init>", "([B)V");
jbyteArray byte_array = env->NewByteArray(valueobj.GetByteLength());
env->SetByteArrayRegion(byte_array, 0, valueobj.GetByteLength(),
(jbyte *)valueobj.GetByteArray().get());
argobj = env->NewObject(clazz_arg, mid_arg, byte_array);
}break;
default:
break;
}
if(argobj != NULL)
{
jmethodID mid = GetMethod(env, "com/yeguang/paramprotocol/ParamArgs",
"AddArgs", "(Lcom/yeguang/paramprotocol/ParamArg;)V");
env->CallVoidMethod(args, mid, argobj);
}
}
