/*
* Get the named field.
*/
Object* dvmGetDeclaredField(ClassObject* clazz, StringObject* nameObj)
{
int i;
Object* fieldObj = NULL;
char* name = dvmCreateCstrFromString(nameObj);
if (!dvmIsClassInitialized(gDvm.classJavaLangReflectField))
dvmInitClass(gDvm.classJavaLangReflectField);
for (i = 0; i < clazz->sfieldCount; i++) {
Field* field = &clazz->sfields[i];
if (strcmp(name, field->name) == 0) {
fieldObj = createFieldObject(field, clazz);
break;
}
}
if (fieldObj == NULL) {
for (i = 0; i < clazz->ifieldCount; i++) {
Field* field = &clazz->ifields[i];
if (strcmp(name, field->name) == 0) {
fieldObj = createFieldObject(field, clazz);
break;
}
}
}
free(name);
return fieldObj;
}
ObjectArray* Java_java_lang_Class_getDeclaredFields0(Env* env, Class* clazz, jboolean publicOnly) {
if (CLASS_IS_PRIMITIVE(clazz) || CLASS_IS_ARRAY(clazz)) return NULL;
Field* fields = rvmGetFields(env, clazz);
if (rvmExceptionCheck(env)) return NULL;
Field* field;
jint length = 0;
for (field = fields; field != NULL; field = field->next) {
if (!publicOnly || FIELD_IS_PUBLIC(field)) {
length++;
}
}
ObjectArray* result = NULL;
jint i = 0;
for (field = fields; field != NULL; field = field->next) {
if (!publicOnly || FIELD_IS_PUBLIC(field)) {
Object* c = createFieldObject(env, field);
if (!c) return NULL;
if (!result) {
result = rvmNewObjectArray(env, length, c->clazz, NULL, NULL);
if (!result) return NULL;
}
result->values[i++] = c;
}
}
return result;
}
/*
* JNI reflection support: convert Field to reflection object.
*
* The return value is a java.lang.reflect.Field.
*
* Caller must call dvmReleaseTrackedAlloc().
*/
Object* dvmCreateReflectObjForField(const ClassObject* clazz, Field* field)
{
if (!dvmIsClassInitialized(gDvm.classJavaLangReflectField))
dvmInitClass(gDvm.classJavaLangReflectField);
/* caller must dvmReleaseTrackedAlloc(result) */
return createFieldObject(field, clazz);
}
/*
*
* Get an array with all fields declared by a class.
*
* This includes both static and instance fields.
*/
ArrayObject* dvmGetDeclaredFields(ClassObject* clazz, bool publicOnly)
{
if (!dvmIsClassInitialized(gDvm.classJavaLangReflectField))
dvmInitClass(gDvm.classJavaLangReflectField);
/* count #of fields */
size_t count;
if (!publicOnly)
count = clazz->sfieldCount + clazz->ifieldCount;
else {
count = 0;
for (int i = 0; i < clazz->sfieldCount; i++) {
if ((clazz->sfields[i].accessFlags & ACC_PUBLIC) != 0)
count++;
}
for (int i = 0; i < clazz->ifieldCount; i++) {
if ((clazz->ifields[i].accessFlags & ACC_PUBLIC) != 0)
count++;
}
}
/* create the Field[] array */
ArrayObject* fieldArray =
dvmAllocArrayByClass(gDvm.classJavaLangReflectFieldArray, count, ALLOC_DEFAULT);
if (fieldArray == NULL)
return NULL;
/* populate */
size_t fieldCount = 0;
for (int i = 0; i < clazz->sfieldCount; i++) {
if (!publicOnly ||
(clazz->sfields[i].accessFlags & ACC_PUBLIC) != 0)
{
Object* field = createFieldObject(&clazz->sfields[i], clazz);
if (field == NULL) {
goto fail;
}
dvmSetObjectArrayElement(fieldArray, fieldCount, field);
dvmReleaseTrackedAlloc(field, NULL);
++fieldCount;
}
}
for (int i = 0; i < clazz->ifieldCount; i++) {
if (!publicOnly ||
(clazz->ifields[i].accessFlags & ACC_PUBLIC) != 0)
{
Object* field = createFieldObject(&clazz->ifields[i], clazz);
if (field == NULL) {
goto fail;
}
dvmSetObjectArrayElement(fieldArray, fieldCount, field);
dvmReleaseTrackedAlloc(field, NULL);
++fieldCount;
}
}
assert(fieldCount == fieldArray->length);
/* caller must call dvmReleaseTrackedAlloc */
return fieldArray;
fail:
dvmReleaseTrackedAlloc((Object*) fieldArray, NULL);
return NULL;
}
