blob: 4076aea91109f88661727378996ba92a98826603 [file] [log] [blame] [edit]
// Copyright 2005-2006 Google Inc.
// All Rights Reserved.
// A slim and portable set of JNI methods for GWT hosted mode
#include <jni.h>
#include <stdlib.h>
extern "C" {
/*
* Class: com_google_gwt_dev_shell_LowLevel
* Method: newGlobalRefInt
* Signature: (Ljava/lang/Object;)I
*/
JNIEXPORT jint JNICALL Java_com_google_gwt_dev_shell_LowLevel__1newGlobalRefInt(JNIEnv* env, jclass, jobject o) {
return reinterpret_cast<int>(env->NewGlobalRef(o));
}
/*
* Class: com_google_gwt_dev_shell_LowLevel
* Method: objFromGlobalRefInt
* Signature: (I)Ljava/lang/Object;
*/
JNIEXPORT jobject JNICALL Java_com_google_gwt_dev_shell_LowLevel__1objFromGlobalRefInt(JNIEnv* env, jclass, jint globalRef) {
return reinterpret_cast<jobject>(globalRef);
}
/*
* Class: com_google_gwt_dev_shell_LowLevel
* Method: deleteGlobalRefInt
* Signature: (I)I
*/
JNIEXPORT void JNICALL Java_com_google_gwt_dev_shell_LowLevel__1deleteGlobalRefInt(JNIEnv* env, jclass, jint globalRef) {
env->DeleteGlobalRef(reinterpret_cast<jobject>(globalRef));
}
/*
* Class: com_google_gwt_dev_shell_LowLevel
* Method: getEnv
* Signature: (Ljava/lang/String;)Ljava/lang/String;
*/
JNIEXPORT jstring JNICALL Java_com_google_gwt_dev_shell_LowLevel__1getEnv(JNIEnv* env, jclass, jstring key) {
if (!key) {
// null -> null
return 0;
}
const char* keyPtr = env->GetStringUTFChars(key, 0);
if (!keyPtr) {
// There will be a pending OutOfMemoryException on this thread, so leave immediately and let it be thrown.
return 0;
}
const char* valuePtr = getenv(keyPtr);
env->ReleaseStringUTFChars(key, keyPtr);
if (!valuePtr) {
// no match found
return 0;
}
// return the result
return env->NewStringUTF(valuePtr);
}
} // extern "C"