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/*
* Copyright (C) 2003, 2008, 2010 Apple Inc. All rights reserved.
* 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 "JavaInstanceV8.h"
#if ENABLE(JAVA_BRIDGE)
#include "JavaMethod.h"
#include "JNIUtilityPrivate.h"
#include "JavaClassV8.h"
#include <wtf/text/CString.h>
using namespace JSC::Bindings;
JavaInstance::JavaInstance(jobject instance)
{
m_instance = new JobjectWrapper(instance);
m_class = 0;
}
JavaInstance::~JavaInstance()
{
m_instance = 0;
delete m_class;
}
#define NUM_LOCAL_REFS 64
void JavaInstance::virtualBegin()
{
getJNIEnv()->PushLocalFrame(NUM_LOCAL_REFS);
}
void JavaInstance::virtualEnd()
{
getJNIEnv()->PopLocalFrame(0);
}
JavaClass* JavaInstance::getClass() const
{
if (!m_class)
m_class = new JavaClass(javaInstance());
return m_class;
}
bool JavaInstance::invokeMethod(const char* methodName, const NPVariant* args, int count, NPVariant* resultValue)
{
VOID_TO_NPVARIANT(*resultValue);
MethodList methodList = getClass()->methodsNamed(methodName);
size_t numMethods = methodList.size();
// Try to find a good match for the overloaded method. The
// fundamental problem is that JavaScript doesn't have the
// notion of method overloading and Java does. We could
// get a bit more sophisticated and attempt to does some
// type checking as we as checking the number of parameters.
JavaMethod* aMethod;
JavaMethod* method = 0;
for (size_t methodIndex = 0; methodIndex < numMethods; methodIndex++) {
aMethod = methodList[methodIndex];
if (aMethod->numParameters() == count) {
method = aMethod;
break;
}
}
if (!method)
return false;
const JavaMethod* jMethod = static_cast<const JavaMethod*>(method);
jvalue* jArgs = 0;
if (count > 0)
jArgs = static_cast<jvalue*>(malloc(count * sizeof(jvalue)));
for (int i = 0; i < count; i++)
jArgs[i] = convertNPVariantToJValue(args[i], jMethod->parameterAt(i));
jvalue result;
// The following code can be conditionally removed once we have a Tiger update that
// contains the new Java plugin. It is needed for builds prior to Tiger.
{
jobject obj = javaInstance();
switch (jMethod->JNIReturnType()) {
case void_type:
callJNIMethodIDA<void>(obj, jMethod->methodID(obj), jArgs);
break;
case object_type:
result.l = callJNIMethodIDA<jobject>(obj, jMethod->methodID(obj), jArgs);
break;
case boolean_type:
result.z = callJNIMethodIDA<jboolean>(obj, jMethod->methodID(obj), jArgs);
break;
case byte_type:
result.b = callJNIMethodIDA<jbyte>(obj, jMethod->methodID(obj), jArgs);
break;
case char_type:
result.c = callJNIMethodIDA<jchar>(obj, jMethod->methodID(obj), jArgs);
break;
case short_type:
result.s = callJNIMethodIDA<jshort>(obj, jMethod->methodID(obj), jArgs);
break;
case int_type:
result.i = callJNIMethodIDA<jint>(obj, jMethod->methodID(obj), jArgs);
break;
case long_type:
result.j = callJNIMethodIDA<jlong>(obj, jMethod->methodID(obj), jArgs);
break;
case float_type:
result.f = callJNIMethodIDA<jfloat>(obj, jMethod->methodID(obj), jArgs);
break;
case double_type:
result.d = callJNIMethodIDA<jdouble>(obj, jMethod->methodID(obj), jArgs);
break;
case invalid_type:
default:
break;
}
}
convertJValueToNPVariant(result, jMethod->JNIReturnType(), jMethod->returnType(), resultValue);
free(jArgs);
return true;
}
#endif // ENABLE(JAVA_BRIDGE)
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