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/*
* Copyright 2010, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "JNIUtilityPrivate.h"
#include "JavaInstanceV8.h"
#include "JavaNPObjectV8.h"
namespace JSC {
namespace Bindings {
jvalue convertNPVariantToJValue(NPVariant value, JNIType jniType, const char* javaClassName)
{
jvalue result;
NPVariantType type = value.type;
switch (jniType) {
case array_type:
case object_type:
{
result.l = static_cast<jobject>(0);
// First see if we have a Java instance.
if (type == NPVariantType_Object) {
NPObject* objectImp = NPVARIANT_TO_OBJECT(value);
if (JavaInstance* instance = ExtractJavaInstance(objectImp))
result.l = instance->javaInstance();
}
// Now convert value to a string if the target type is a java.lang.string, and we're not
// converting from a Null.
if (!result.l && !strcmp(javaClassName, "java.lang.String")) {
#ifdef CONVERT_NULL_TO_EMPTY_STRING
if (type == NPVariantType_Null) {
JNIEnv* env = getJNIEnv();
jchar buf[2];
jobject javaString = env->functions->NewString(env, buf, 0);
result.l = javaString;
} else
#else
if (type == NPVariantType_String)
#endif
{
NPString src = NPVARIANT_TO_STRING(value);
JNIEnv* env = getJNIEnv();
jobject javaString = env->NewStringUTF(src.UTF8Characters);
result.l = javaString;
}
} else if (!result.l)
bzero(&result, sizeof(jvalue)); // Handle it the same as a void case
}
break;
case boolean_type:
{
if (type == NPVariantType_Bool)
result.z = NPVARIANT_TO_BOOLEAN(value);
else
bzero(&result, sizeof(jvalue)); // as void case
}
break;
case byte_type:
{
if (type == NPVariantType_Int32)
result.b = static_cast<char>(NPVARIANT_TO_INT32(value));
else
bzero(&result, sizeof(jvalue));
}
break;
case char_type:
{
if (type == NPVariantType_Int32)
result.c = static_cast<char>(NPVARIANT_TO_INT32(value));
else
bzero(&result, sizeof(jvalue));
}
break;
case short_type:
{
if (type == NPVariantType_Int32)
result.s = static_cast<jshort>(NPVARIANT_TO_INT32(value));
else
bzero(&result, sizeof(jvalue));
}
break;
case int_type:
{
if (type == NPVariantType_Int32)
result.i = static_cast<jint>(NPVARIANT_TO_INT32(value));
else
bzero(&result, sizeof(jvalue));
}
break;
case long_type:
{
if (type == NPVariantType_Int32)
result.j = static_cast<jlong>(NPVARIANT_TO_INT32(value));
else if (type == NPVariantType_Double)
result.j = static_cast<jlong>(NPVARIANT_TO_DOUBLE(value));
else
bzero(&result, sizeof(jvalue));
}
break;
case float_type:
{
#if PLATFORM(ANDROID)
// TODO: Upstream this fix to webkit.org
if (type == NPVariantType_Int32)
result.f = static_cast<jfloat>(NPVARIANT_TO_INT32(value));
else if (type == NPVariantType_Double)
result.f = static_cast<jfloat>(NPVARIANT_TO_DOUBLE(value));
else
bzero(&result, sizeof(jvalue));
#endif
}
break;
case double_type:
{
#if PLATFORM(ANDROID)
// TODO: Upstream this fix to webkit.org
if (type == NPVariantType_Int32)
result.d = static_cast<jdouble>(NPVARIANT_TO_INT32(value));
else if (type == NPVariantType_Double)
result.d = static_cast<jdouble>(NPVARIANT_TO_DOUBLE(value));
else
bzero(&result, sizeof(jvalue));
#endif
}
break;
break;
case invalid_type:
default:
case void_type:
{
bzero(&result, sizeof(jvalue));
}
break;
}
return result;
}
void convertJValueToNPVariant(jvalue value, JNIType jniType, const char* javaTypeName, NPVariant* result)
{
switch (jniType) {
case void_type:
{
VOID_TO_NPVARIANT(*result);
}
break;
case object_type:
{
if (value.l) {
if (!strcmp(javaTypeName, "java.lang.String")) {
const char* v = getCharactersFromJString(static_cast<jstring>(value.l));
// s is freed in NPN_ReleaseVariantValue (see npruntime.cpp)
const char* s = strdup(v);
releaseCharactersForJString(static_cast<jstring>(value.l), v);
STRINGZ_TO_NPVARIANT(s, *result);
} else
OBJECT_TO_NPVARIANT(JavaInstanceToNPObject(new JavaInstance(value.l)), *result);
} else
VOID_TO_NPVARIANT(*result);
}
break;
case boolean_type:
{
BOOLEAN_TO_NPVARIANT(value.z, *result);
}
break;
case byte_type:
{
INT32_TO_NPVARIANT(value.b, *result);
}
break;
case char_type:
{
INT32_TO_NPVARIANT(value.c, *result);
}
break;
case short_type:
{
INT32_TO_NPVARIANT(value.s, *result);
}
break;
case int_type:
{
INT32_TO_NPVARIANT(value.i, *result);
}
break;
// TODO: Check if cast to double is needed.
case long_type:
{
DOUBLE_TO_NPVARIANT(value.j, *result);
}
break;
case float_type:
{
DOUBLE_TO_NPVARIANT(value.f, *result);
}
break;
case double_type:
{
DOUBLE_TO_NPVARIANT(value.d, *result);
}
break;
case invalid_type:
default:
{
VOID_TO_NPVARIANT(*result);
}
break;
}
}
} // end of namespace Bindings
} // end of namespace JSC
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