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JNI Convenience: Make it possible to copy QJNIObjects.

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Change-Id: I692242147d5f908381ea9d3b393b3c591385efd4
Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>
This commit is contained in:
Christian Strømme 2013-07-10 14:53:06 +02:00 committed by The Qt Project
parent 0ccb75b5fc
commit 1db13907d9
2 changed files with 168 additions and 138 deletions
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267
src/platformsupport/jniconvenience/qjniobject.cpp
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@ -127,7 +127,7 @@ static jfieldID getCachedFieldID(JNIEnv *env,
return id;
}
QJNIObject::QJNIObject(const char *className)
QJNIObjectPrivate::QJNIObjectPrivate(const char *className)
: m_jobject(0)
, m_jclass(0)
, m_own_jclass(false)
@ -147,7 +147,7 @@ QJNIObject::QJNIObject(const char *className)
}
}
QJNIObject::QJNIObject(const char *className, const char *sig, ...)
QJNIObjectPrivate::QJNIObjectPrivate(const char *className, const char *sig, va_list args)
: m_jobject(0)
, m_jclass(0)
, m_own_jclass(false)
@ -157,10 +157,7 @@ QJNIObject::QJNIObject(const char *className, const char *sig, ...)
if (m_jclass) {
jmethodID constructorId = getCachedMethodID(env, m_jclass, "<init>", sig);
if (constructorId) {
va_list args;
va_start(args, sig);
jobject obj = env->NewObjectV(m_jclass, constructorId, args);
va_end(args);
if (obj) {
m_jobject = env->NewGlobalRef(obj);
env->DeleteLocalRef(obj);
@ -169,7 +166,7 @@ QJNIObject::QJNIObject(const char *className, const char *sig, ...)
}
}
QJNIObject::QJNIObject(jclass clazz)
QJNIObjectPrivate::QJNIObjectPrivate(jclass clazz)
: m_jobject(0)
, m_jclass(0)
, m_own_jclass(true)
@ -189,7 +186,7 @@ QJNIObject::QJNIObject(jclass clazz)
}
}
QJNIObject::QJNIObject(jclass clazz, const char *sig, ...)
QJNIObjectPrivate::QJNIObjectPrivate(jclass clazz, const char *sig, va_list args)
: m_jobject(0)
, m_jclass(0)
, m_own_jclass(true)
@ -200,10 +197,7 @@ QJNIObject::QJNIObject(jclass clazz, const char *sig, ...)
if (m_jclass) {
jmethodID constructorId = getCachedMethodID(env, m_jclass, "<init>", sig);
if (constructorId) {
va_list args;
va_start(args, sig);
jobject obj = env->NewObjectV(m_jclass, constructorId, args);
va_end(args);
if (obj) {
m_jobject = env->NewGlobalRef(obj);
env->DeleteLocalRef(obj);
@ -213,7 +207,7 @@ QJNIObject::QJNIObject(jclass clazz, const char *sig, ...)
}
}
QJNIObject::QJNIObject(jobject obj)
QJNIObjectPrivate::QJNIObjectPrivate(jobject obj)
: m_jobject(0)
, m_jclass(0)
, m_own_jclass(true)
@ -223,7 +217,7 @@ QJNIObject::QJNIObject(jobject obj)
m_jclass = static_cast<jclass>(env->NewGlobalRef(env->GetObjectClass(m_jobject)));
}
QJNIObject::~QJNIObject()
QJNIObjectPrivate::~QJNIObjectPrivate()
{
QAttachedJNIEnv env;
if (m_jobject)
@ -232,6 +226,23 @@ QJNIObject::~QJNIObject()
env->DeleteGlobalRef(m_jclass);
}
QJNIObject::QJNIObject(const char *className, const char *sig, ...)
{
va_list args;
va_start(args, sig);
d = QSharedPointer<QJNIObjectPrivate>(new QJNIObjectPrivate(className, sig, args));
va_end(args);
}
QJNIObject::QJNIObject(jclass clazz, const char *sig, ...)
{
va_list args;
va_start(args, sig);
d = QSharedPointer<QJNIObjectPrivate>(new QJNIObjectPrivate(clazz, sig, args));
va_end(args);
}
bool QJNIObject::isClassAvailable(const char *className)
{
QAttachedJNIEnv env;
@ -248,11 +259,11 @@ template <>
void QJNIObject::callMethod<void>(const char *methodName, const char *sig, ...)
{
QAttachedJNIEnv env;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
env->CallVoidMethodV(m_jobject, id, args);
env->CallVoidMethodV(d->m_jobject, id, args);
va_end(args);
}
}
@ -262,11 +273,11 @@ jboolean QJNIObject::callMethod<jboolean>(const char *methodName, const char *si
{
QAttachedJNIEnv env;
jboolean res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = env->CallBooleanMethodV(m_jobject, id, args);
res = env->CallBooleanMethodV(d->m_jobject, id, args);
va_end(args);
}
return res;
@ -277,11 +288,11 @@ jbyte QJNIObject::callMethod<jbyte>(const char *methodName, const char *sig, ...
{
QAttachedJNIEnv env;
jbyte res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = env->CallByteMethodV(m_jobject, id, args);
res = env->CallByteMethodV(d->m_jobject, id, args);
va_end(args);
}
return res;
@ -292,11 +303,11 @@ jchar QJNIObject::callMethod<jchar>(const char *methodName, const char *sig, ...
{
QAttachedJNIEnv env;
jchar res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = env->CallCharMethodV(m_jobject, id, args);
res = env->CallCharMethodV(d->m_jobject, id, args);
va_end(args);
}
return res;
@ -307,11 +318,11 @@ jshort QJNIObject::callMethod<jshort>(const char *methodName, const char *sig, .
{
QAttachedJNIEnv env;
jshort res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = env->CallShortMethodV(m_jobject, id, args);
res = env->CallShortMethodV(d->m_jobject, id, args);
va_end(args);
}
return res;
@ -322,11 +333,11 @@ jint QJNIObject::callMethod<jint>(const char *methodName, const char *sig, ...)
{
QAttachedJNIEnv env;
jint res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = env->CallIntMethodV(m_jobject, id, args);
res = env->CallIntMethodV(d->m_jobject, id, args);
va_end(args);
}
return res;
@ -337,11 +348,11 @@ jlong QJNIObject::callMethod<jlong>(const char *methodName, const char *sig, ...
{
QAttachedJNIEnv env;
jlong res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = env->CallLongMethodV(m_jobject, id, args);
res = env->CallLongMethodV(d->m_jobject, id, args);
va_end(args);
}
return res;
@ -352,11 +363,11 @@ jfloat QJNIObject::callMethod<jfloat>(const char *methodName, const char *sig, .
{
QAttachedJNIEnv env;
jfloat res = 0.f;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = env->CallFloatMethodV(m_jobject, id, args);
res = env->CallFloatMethodV(d->m_jobject, id, args);
va_end(args);
}
return res;
@ -367,11 +378,11 @@ jdouble QJNIObject::callMethod<jdouble>(const char *methodName, const char *sig,
{
QAttachedJNIEnv env;
jdouble res = 0.;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = env->CallDoubleMethodV(m_jobject, id, args);
res = env->CallDoubleMethodV(d->m_jobject, id, args);
va_end(args);
}
return res;
@ -384,11 +395,11 @@ QJNILocalRef<jobject> QJNIObject::callObjectMethod<jobject>(const char *methodNa
{
QAttachedJNIEnv env;
jobject res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = env->CallObjectMethodV(m_jobject, id, args);
res = env->CallObjectMethodV(d->m_jobject, id, args);
va_end(args);
}
return QJNILocalRef<jobject>(res);
@ -401,11 +412,11 @@ QJNILocalRef<jstring> QJNIObject::callObjectMethod<jstring>(const char *methodNa
{
QAttachedJNIEnv env;
jstring res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = static_cast<jstring>(env->CallObjectMethodV(m_jobject, id, args));
res = static_cast<jstring>(env->CallObjectMethodV(d->m_jobject, id, args));
va_end(args);
}
return QJNILocalRef<jstring>(res);
@ -418,11 +429,11 @@ QJNILocalRef<jobjectArray> QJNIObject::callObjectMethod<jobjectArray>(const char
{
QAttachedJNIEnv env;
jobjectArray res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = static_cast<jobjectArray>(env->CallObjectMethodV(m_jobject, id, args));
res = static_cast<jobjectArray>(env->CallObjectMethodV(d->m_jobject, id, args));
va_end(args);
}
return QJNILocalRef<jobjectArray>(res);
@ -435,11 +446,11 @@ QJNILocalRef<jbooleanArray> QJNIObject::callObjectMethod<jbooleanArray>(const ch
{
QAttachedJNIEnv env;
jbooleanArray res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = static_cast<jbooleanArray>(env->CallObjectMethodV(m_jobject, id, args));
res = static_cast<jbooleanArray>(env->CallObjectMethodV(d->m_jobject, id, args));
va_end(args);
}
return QJNILocalRef<jbooleanArray>(res);
@ -452,11 +463,11 @@ QJNILocalRef<jbyteArray> QJNIObject::callObjectMethod<jbyteArray>(const char *me
{
QAttachedJNIEnv env;
jbyteArray res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = static_cast<jbyteArray>(env->CallObjectMethodV(m_jobject, id, args));
res = static_cast<jbyteArray>(env->CallObjectMethodV(d->m_jobject, id, args));
va_end(args);
}
return QJNILocalRef<jbyteArray>(res);
@ -469,11 +480,11 @@ QJNILocalRef<jcharArray> QJNIObject::callObjectMethod<jcharArray>(const char *me
{
QAttachedJNIEnv env;
jcharArray res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = static_cast<jcharArray>(env->CallObjectMethodV(m_jobject, id, args));
res = static_cast<jcharArray>(env->CallObjectMethodV(d->m_jobject, id, args));
va_end(args);
}
return QJNILocalRef<jcharArray>(res);
@ -486,11 +497,11 @@ QJNILocalRef<jshortArray> QJNIObject::callObjectMethod<jshortArray>(const char *
{
QAttachedJNIEnv env;
jshortArray res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = static_cast<jshortArray>(env->CallObjectMethodV(m_jobject, id, args));
res = static_cast<jshortArray>(env->CallObjectMethodV(d->m_jobject, id, args));
va_end(args);
}
return QJNILocalRef<jshortArray>(res);
@ -503,11 +514,11 @@ QJNILocalRef<jintArray> QJNIObject::callObjectMethod<jintArray>(const char *meth
{
QAttachedJNIEnv env;
jintArray res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = static_cast<jintArray>(env->CallObjectMethodV(m_jobject, id, args));
res = static_cast<jintArray>(env->CallObjectMethodV(d->m_jobject, id, args));
va_end(args);
}
return QJNILocalRef<jintArray>(res);
@ -520,11 +531,11 @@ QJNILocalRef<jlongArray> QJNIObject::callObjectMethod<jlongArray>(const char *me
{
QAttachedJNIEnv env;
jlongArray res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = static_cast<jlongArray>(env->CallObjectMethodV(m_jobject, id, args));
res = static_cast<jlongArray>(env->CallObjectMethodV(d->m_jobject, id, args));
va_end(args);
}
return QJNILocalRef<jlongArray>(res);
@ -537,11 +548,11 @@ QJNILocalRef<jfloatArray> QJNIObject::callObjectMethod<jfloatArray>(const char *
{
QAttachedJNIEnv env;
jfloatArray res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = static_cast<jfloatArray>(env->CallObjectMethodV(m_jobject, id, args));
res = static_cast<jfloatArray>(env->CallObjectMethodV(d->m_jobject, id, args));
va_end(args);
}
return QJNILocalRef<jfloatArray>(res);
@ -554,11 +565,11 @@ QJNILocalRef<jdoubleArray> QJNIObject::callObjectMethod<jdoubleArray>(const char
{
QAttachedJNIEnv env;
jdoubleArray res = 0;
jmethodID id = getCachedMethodID(env, m_jclass, methodName, sig);
jmethodID id = getCachedMethodID(env, d->m_jclass, methodName, sig);
if (id) {
va_list args;
va_start(args, sig);
res = static_cast<jdoubleArray>(env->CallObjectMethodV(m_jobject, id, args));
res = static_cast<jdoubleArray>(env->CallObjectMethodV(d->m_jobject, id, args));
va_end(args);
}
return QJNILocalRef<jdoubleArray>(res);
@ -1796,9 +1807,9 @@ jboolean QJNIObject::getField<jboolean>(const char *fieldName)
{
QAttachedJNIEnv env;
jboolean res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "Z");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "Z");
if (id)
res = env->GetBooleanField(m_jobject, id);
res = env->GetBooleanField(d->m_jobject, id);
return res;
}
@ -1808,9 +1819,9 @@ jbyte QJNIObject::getField<jbyte>(const char *fieldName)
{
QAttachedJNIEnv env;
jbyte res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "B");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "B");
if (id)
res = env->GetByteField(m_jobject, id);
res = env->GetByteField(d->m_jobject, id);
return res;
}
@ -1820,9 +1831,9 @@ jchar QJNIObject::getField<jchar>(const char *fieldName)
{
QAttachedJNIEnv env;
jchar res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "C");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "C");
if (id)
res = env->GetCharField(m_jobject, id);
res = env->GetCharField(d->m_jobject, id);
return res;
}
@ -1832,9 +1843,9 @@ jshort QJNIObject::getField<jshort>(const char *fieldName)
{
QAttachedJNIEnv env;
jshort res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "S");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "S");
if (id)
res = env->GetShortField(m_jobject, id);
res = env->GetShortField(d->m_jobject, id);
return res;
}
@ -1844,9 +1855,9 @@ jint QJNIObject::getField<jint>(const char *fieldName)
{
QAttachedJNIEnv env;
jint res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "I");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "I");
if (id)
res = env->GetIntField(m_jobject, id);
res = env->GetIntField(d->m_jobject, id);
return res;
}
@ -1856,9 +1867,9 @@ jlong QJNIObject::getField<jlong>(const char *fieldName)
{
QAttachedJNIEnv env;
jlong res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "J");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "J");
if (id)
res = env->GetLongField(m_jobject, id);
res = env->GetLongField(d->m_jobject, id);
return res;
}
@ -1868,9 +1879,9 @@ jfloat QJNIObject::getField<jfloat>(const char *fieldName)
{
QAttachedJNIEnv env;
jfloat res = 0.f;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "F");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "F");
if (id)
res = env->GetFloatField(m_jobject, id);
res = env->GetFloatField(d->m_jobject, id);
return res;
}
@ -1880,9 +1891,9 @@ jdouble QJNIObject::getField<jdouble>(const char *fieldName)
{
QAttachedJNIEnv env;
jdouble res = 0.;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "D");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "D");
if (id)
res = env->GetDoubleField(m_jobject, id);
res = env->GetDoubleField(d->m_jobject, id);
return res;
}
@ -1892,9 +1903,9 @@ QJNILocalRef<jobject> QJNIObject::getObjectField<jobject>(const char *fieldName,
{
QAttachedJNIEnv env;
jobject res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, sig);
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, sig);
if (id)
res = env->GetObjectField(m_jobject, id);
res = env->GetObjectField(d->m_jobject, id);
return QJNILocalRef<jobject>(res);
}
@ -1904,9 +1915,9 @@ QJNILocalRef<jbooleanArray> QJNIObject::getObjectField<jbooleanArray>(const char
{
QAttachedJNIEnv env;
jbooleanArray res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "[Z");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "[Z");
if (id)
res = static_cast<jbooleanArray>(env->GetObjectField(m_jobject, id));
res = static_cast<jbooleanArray>(env->GetObjectField(d->m_jobject, id));
return QJNILocalRef<jbooleanArray>(res);
}
@ -1916,9 +1927,9 @@ QJNILocalRef<jbyteArray> QJNIObject::getObjectField<jbyteArray>(const char *fiel
{
QAttachedJNIEnv env;
jbyteArray res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "[B");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "[B");
if (id)
res = static_cast<jbyteArray>(env->GetObjectField(m_jobject, id));
res = static_cast<jbyteArray>(env->GetObjectField(d->m_jobject, id));
return QJNILocalRef<jbyteArray>(res);
}
@ -1928,9 +1939,9 @@ QJNILocalRef<jcharArray> QJNIObject::getObjectField<jcharArray>(const char *fiel
{
QAttachedJNIEnv env;
jcharArray res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "[C");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "[C");
if (id)
res = static_cast<jcharArray>(env->GetObjectField(m_jobject, id));
res = static_cast<jcharArray>(env->GetObjectField(d->m_jobject, id));
return QJNILocalRef<jcharArray>(res);
}
@ -1940,9 +1951,9 @@ QJNILocalRef<jshortArray> QJNIObject::getObjectField<jshortArray>(const char *fi
{
QAttachedJNIEnv env;
jshortArray res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "[S");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "[S");
if (id)
res = static_cast<jshortArray>(env->GetObjectField(m_jobject, id));
res = static_cast<jshortArray>(env->GetObjectField(d->m_jobject, id));
return QJNILocalRef<jshortArray>(res);
}
@ -1952,9 +1963,9 @@ QJNILocalRef<jintArray> QJNIObject::getObjectField<jintArray>(const char *fieldN
{
QAttachedJNIEnv env;
jintArray res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "[I");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "[I");
if (id)
res = static_cast<jintArray>(env->GetObjectField(m_jobject, id));
res = static_cast<jintArray>(env->GetObjectField(d->m_jobject, id));
return QJNILocalRef<jintArray>(res);
}
@ -1964,9 +1975,9 @@ QJNILocalRef<jlongArray> QJNIObject::getObjectField<jlongArray>(const char *fiel
{
QAttachedJNIEnv env;
jlongArray res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "[J");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "[J");
if (id)
res = static_cast<jlongArray>(env->GetObjectField(m_jobject, id));
res = static_cast<jlongArray>(env->GetObjectField(d->m_jobject, id));
return QJNILocalRef<jlongArray>(res);
}
@ -1976,9 +1987,9 @@ QJNILocalRef<jfloatArray> QJNIObject::getObjectField<jfloatArray>(const char *fi
{
QAttachedJNIEnv env;
jfloatArray res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "[F");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "[F");
if (id)
res = static_cast<jfloatArray>(env->GetObjectField(m_jobject, id));
res = static_cast<jfloatArray>(env->GetObjectField(d->m_jobject, id));
return QJNILocalRef<jfloatArray>(res);
}
@ -1988,9 +1999,9 @@ QJNILocalRef<jdoubleArray> QJNIObject::getObjectField<jdoubleArray>(const char *
{
QAttachedJNIEnv env;
jdoubleArray res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "[D");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "[D");
if (id)
res = static_cast<jdoubleArray>(env->GetObjectField(m_jobject, id));
res = static_cast<jdoubleArray>(env->GetObjectField(d->m_jobject, id));
return QJNILocalRef<jdoubleArray>(res);
}
@ -2000,9 +2011,9 @@ QJNILocalRef<jstring> QJNIObject::getObjectField<jstring>(const char *fieldName)
{
QAttachedJNIEnv env;
jstring res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "Ljava/lang/String;");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "Ljava/lang/String;");
if (id)
res = static_cast<jstring>(env->GetObjectField(m_jobject, id));
res = static_cast<jstring>(env->GetObjectField(d->m_jobject, id));
return QJNILocalRef<jstring>(res);
}
@ -2013,9 +2024,9 @@ QJNILocalRef<jobjectArray> QJNIObject::getObjectField<jobjectArray>(const char *
{
QAttachedJNIEnv env;
jobjectArray res = 0;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, sig);
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, sig);
if (id)
res = static_cast<jobjectArray>(env->GetObjectField(m_jobject, id));
res = static_cast<jobjectArray>(env->GetObjectField(d->m_jobject, id));
return QJNILocalRef<jobjectArray>(res);
}
@ -2024,9 +2035,9 @@ template <>
void QJNIObject::setField<jboolean>(const char *fieldName, jboolean value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "Z");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "Z");
if (id)
env->SetBooleanField(m_jobject, id, value);
env->SetBooleanField(d->m_jobject, id, value);
}
@ -2034,9 +2045,9 @@ template <>
void QJNIObject::setField<jbyte>(const char *fieldName, jbyte value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "B");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "B");
if (id)
env->SetByteField(m_jobject, id, value);
env->SetByteField(d->m_jobject, id, value);
}
@ -2044,9 +2055,9 @@ template <>
void QJNIObject::setField<jchar>(const char *fieldName, jchar value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "C");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "C");
if (id)
env->SetCharField(m_jobject, id, value);
env->SetCharField(d->m_jobject, id, value);
}
@ -2054,9 +2065,9 @@ template <>
void QJNIObject::setField<jshort>(const char *fieldName, jshort value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "S");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "S");
if (id)
env->SetShortField(m_jobject, id, value);
env->SetShortField(d->m_jobject, id, value);
}
@ -2064,9 +2075,9 @@ template <>
void QJNIObject::setField<jint>(const char *fieldName, jint value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "I");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "I");
if (id)
env->SetIntField(m_jobject, id, value);
env->SetIntField(d->m_jobject, id, value);
}
@ -2074,9 +2085,9 @@ template <>
void QJNIObject::setField<jlong>(const char *fieldName, jlong value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "J");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "J");
if (id)
env->SetLongField(m_jobject, id, value);
env->SetLongField(d->m_jobject, id, value);
}
@ -2084,9 +2095,9 @@ template <>
void QJNIObject::setField<jfloat>(const char *fieldName, jfloat value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "F");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "F");
if (id)
env->SetFloatField(m_jobject, id, value);
env->SetFloatField(d->m_jobject, id, value);
}
@ -2094,9 +2105,9 @@ template <>
void QJNIObject::setField<jdouble>(const char *fieldName, jdouble value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "D");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "D");
if (id)
env->SetDoubleField(m_jobject, id, value);
env->SetDoubleField(d->m_jobject, id, value);
}
@ -2104,9 +2115,9 @@ template <>
void QJNIObject::setField<jbooleanArray>(const char *fieldName, jbooleanArray value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "[Z");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "[Z");
if (id)
env->SetObjectField(m_jobject, id, value);
env->SetObjectField(d->m_jobject, id, value);
}
@ -2114,9 +2125,9 @@ template <>
void QJNIObject::setField<jbyteArray>(const char *fieldName, jbyteArray value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "[B");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "[B");
if (id)
env->SetObjectField(m_jobject, id, value);
env->SetObjectField(d->m_jobject, id, value);
}
@ -2124,9 +2135,9 @@ template <>
void QJNIObject::setField<jcharArray>(const char *fieldName, jcharArray value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "[C");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "[C");
if (id)
env->SetObjectField(m_jobject, id, value);
env->SetObjectField(d->m_jobject, id, value);
}
@ -2134,9 +2145,9 @@ template <>
void QJNIObject::setField<jshortArray>(const char *fieldName, jshortArray value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "[S");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "[S");
if (id)
env->SetObjectField(m_jobject, id, value);
env->SetObjectField(d->m_jobject, id, value);
}
@ -2144,9 +2155,9 @@ template <>
void QJNIObject::setField<jintArray>(const char *fieldName, jintArray value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "[I");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "[I");
if (id)
env->SetObjectField(m_jobject, id, value);
env->SetObjectField(d->m_jobject, id, value);
}
@ -2154,9 +2165,9 @@ template <>
void QJNIObject::setField<jlongArray>(const char *fieldName, jlongArray value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "[J");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "[J");
if (id)
env->SetObjectField(m_jobject, id, value);
env->SetObjectField(d->m_jobject, id, value);
}
@ -2164,9 +2175,9 @@ template <>
void QJNIObject::setField<jfloatArray>(const char *fieldName, jfloatArray value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "[F");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "[F");
if (id)
env->SetObjectField(m_jobject, id, value);
env->SetObjectField(d->m_jobject, id, value);
}
@ -2174,9 +2185,9 @@ template <>
void QJNIObject::setField<jdoubleArray>(const char *fieldName, jdoubleArray value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "[D");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "[D");
if (id)
env->SetObjectField(m_jobject, id, value);
env->SetObjectField(d->m_jobject, id, value);
}
@ -2184,9 +2195,9 @@ template <>
void QJNIObject::setField<jstring>(const char *fieldName, jstring value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, "Ljava/lang/String;");
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, "Ljava/lang/String;");
if (id)
env->SetObjectField(m_jobject, id, value);
env->SetObjectField(d->m_jobject, id, value);
}
@ -2194,9 +2205,9 @@ template <>
void QJNIObject::setField<jobject>(const char *fieldName, const char *sig, jobject value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, sig);
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, sig);
if (id)
env->SetObjectField(m_jobject, id, value);
env->SetObjectField(d->m_jobject, id, value);
}
@ -2206,9 +2217,9 @@ void QJNIObject::setField<jobjectArray>(const char *fieldName,
jobjectArray value)
{
QAttachedJNIEnv env;
jfieldID id = getCachedFieldID(env, m_jclass, fieldName, sig);
jfieldID id = getCachedFieldID(env, d->m_jclass, fieldName, sig);
if (id)
env->SetObjectField(m_jobject, id, value);
env->SetObjectField(d->m_jobject, id, value);
}

39
src/platformsupport/jniconvenience/qjniobject_p.h
View File

@ -43,6 +43,7 @@
#define QJNIOBJECT_H
#include <qglobal.h>
#include <qsharedpointer.h>
#include <jni.h>
QT_BEGIN_NAMESPACE
@ -72,20 +73,40 @@ class QJNILocalRef;
* someObject.setField<jint>("fieldName", 10);
* someObject.callMethod<void>("doStuff");
*/
class QJNIObjectPrivate
{
public:
QJNIObjectPrivate(const char *className);
QJNIObjectPrivate(const char *className, const char *sig, va_list args);
QJNIObjectPrivate(jclass clazz);
QJNIObjectPrivate(jclass clazz, const char *sig, va_list args);
QJNIObjectPrivate(jobject obj);
~QJNIObjectPrivate();
private:
Q_DISABLE_COPY(QJNIObjectPrivate)
friend class QJNIObject;
jobject m_jobject;
jclass m_jclass;
bool m_own_jclass;
};
class QJNIObject
{
public:
QJNIObject(const char *className);
QJNIObject(const char *className) : d(new QJNIObjectPrivate(className)) { }
QJNIObject(const char *className, const char *sig, ...);
QJNIObject(jclass clazz);
QJNIObject(jclass clazz) : d(new QJNIObjectPrivate(clazz)) { }
QJNIObject(jclass clazz, const char *sig, ...);
QJNIObject(jobject obj);
virtual ~QJNIObject();
QJNIObject(jobject obj) : d(new QJNIObjectPrivate(obj)) { }
virtual ~QJNIObject() { }
static bool isClassAvailable(const char *className);
bool isValid() const { return m_jobject != 0; }
jobject object() const { return m_jobject; }
bool isValid() const { return d->m_jobject != 0; }
jobject object() const { return d->m_jobject; }
template <typename T>
T callMethod(const char *methodName);
@ -158,10 +179,8 @@ public:
template <typename T>
static void setStaticField(jclass clazz, const char *fieldName, T value);
protected:
jobject m_jobject;
jclass m_jclass;
bool m_own_jclass;
private:
QSharedPointer<QJNIObjectPrivate> d;
};
QT_END_NAMESPACE