/*
* Copyright ( c ) 1995 , 2017 , Oracle and / or its affiliates . All rights reserved .
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
* This code is free software ; you can redistribute it and / or modify it
* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation . Oracle designates this
* particular file as subject to the " Classpath " exception as provided
* by Oracle in the LICENSE file that accompanied this code .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
* Please contact Oracle , 500 Oracle Parkway , Redwood Shores , CA 94065 USA
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
#include "jni.h"
#include "jni_util.h"
#include "jvm.h"
#include "java_lang_SecurityManager.h"
#include "java_lang_ClassLoader.h"
/*
* Make sure a security manager instance is initialized .
* TRUE means OK , FALSE means not .
*/
static jboolean
check(JNIEnv *env, jobject this )
{
static jfieldID initField = 0 ;
jboolean initialized = JNI_FALSE;
if (initField == 0 ) {
jclass clazz = (*env)->FindClass(env, "java/lang/SecurityManager" );
if (clazz == 0 ) {
(*env)->ExceptionClear(env);
return JNI_FALSE;
}
initField = (*env)->GetFieldID(env, clazz, "initialized" , "Z" );
if (initField == 0 ) {
(*env)->ExceptionClear(env);
return JNI_FALSE;
}
}
initialized = (*env)->GetBooleanField(env, this , initField);
if (initialized == JNI_TRUE) {
return JNI_TRUE;
} else {
jclass securityException =
(*env)->FindClass(env, "java/lang/SecurityException" );
if (securityException != 0 ) {
(*env)->ThrowNew(env, securityException,
"security manager not initialized." );
}
return JNI_FALSE;
}
}
JNIEXPORT jobjectArray JNICALL
Java_java_lang_SecurityManager_getClassContext(JNIEnv *env, jobject this )
{
if (!check(env, this )) {
return NULL; /* exception */
}
return JVM_GetClassContext(env);
}
Messung V0.5 in Prozent C=99 H=100 G=99
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-10-04)
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