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src/java.base/share/native/libjava/Module.c
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*** 20,41 ****
*
* 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 "jvm.h"
#include "java_lang_reflect_Module.h"
JNIEXPORT void JNICALL
Java_java_lang_reflect_Module_defineModule0(JNIEnv *env, jclass cls, jobject module,
jboolean is_open, jstring version,
jstring location, jobjectArray packages)
{
! JVM_DefineModule(env, module, is_open, version, location, packages);
}
JNIEXPORT void JNICALL
Java_java_lang_reflect_Module_addReads0(JNIEnv *env, jclass cls, jobject from, jobject to)
{
--- 20,111 ----
*
* 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 <stdlib.h>
+ #include <string.h>
#include "jni.h"
+ #include "jni_util.h"
#include "jvm.h"
#include "java_lang_reflect_Module.h"
+ /*
+ * Gets the UTF-8 chars for the string and translates '.' to '/'. Does no
+ * further validation, assumption being that both calling code in
+ * java.lang.reflect.Module and VM will do deeper validation.
+ */
+ static char*
+ GetInternalPackageName(JNIEnv *env, jstring pkg, char* buf, jsize buf_size)
+ {
+ jsize len;
+ jsize unicode_len;
+ char* p;
+ char* utf_str;
+
+ len = (*env)->GetStringUTFLength(env, pkg);
+ unicode_len = (*env)->GetStringLength(env, pkg);
+ if (len >= buf_size) {
+ utf_str = malloc(len + 1);
+ if (utf_str == NULL) {
+ JNU_ThrowOutOfMemoryError(env, NULL);
+ return NULL;
+ }
+ } else {
+ utf_str = buf;
+ }
+ (*env)->GetStringUTFRegion(env, pkg, 0, unicode_len, utf_str);
+
+ p = utf_str;
+ while (*p != '\0') {
+ if (*p == '.') {
+ *p = '/';
+ }
+ p++;
+ }
+ return utf_str;
+ }
+
JNIEXPORT void JNICALL
Java_java_lang_reflect_Module_defineModule0(JNIEnv *env, jclass cls, jobject module,
jboolean is_open, jstring version,
jstring location, jobjectArray packages)
{
! char** pkgs = NULL;
! jsize idx;
! jsize num_packages = (*env)->GetArrayLength(env, packages);
!
! if (num_packages != 0 && (pkgs = calloc(num_packages, sizeof(char*))) == NULL) {
! JNU_ThrowOutOfMemoryError(env, NULL);
! return;
! } else {
! int valid = 1;
! for (idx = 0; idx < num_packages; idx++) {
! jstring pkg = (*env)->GetObjectArrayElement(env, packages, idx);
! pkgs[idx] = GetInternalPackageName(env, pkg, NULL, 0);
! if (pkgs[idx] == NULL) {
! valid = 0;
! break;
! }
! }
!
! if (valid != 0) {
! JVM_DefineModule(env, module, is_open, version, location,
! (const char* const*)pkgs, num_packages);
! }
! }
!
! if (num_packages > 0) {
! for (idx = 0; idx < num_packages; idx++) {
! if (pkgs[idx] != NULL) {
! free(pkgs[idx]);
! }
! }
! free(pkgs);
! }
}
JNIEXPORT void JNICALL
Java_java_lang_reflect_Module_addReads0(JNIEnv *env, jclass cls, jobject from, jobject to)
{
*** 44,70 ****
JNIEXPORT void JNICALL
Java_java_lang_reflect_Module_addExports0(JNIEnv *env, jclass cls, jobject from,
jstring pkg, jobject to)
{
! JVM_AddModuleExports(env, from, pkg, to);
}
JNIEXPORT void JNICALL
Java_java_lang_reflect_Module_addExportsToAll0(JNIEnv *env, jclass cls, jobject from,
jstring pkg)
{
! JVM_AddModuleExportsToAll(env, from, pkg);
}
JNIEXPORT void JNICALL
Java_java_lang_reflect_Module_addExportsToAllUnnamed0(JNIEnv *env, jclass cls,
jobject from, jstring pkg)
{
! JVM_AddModuleExportsToAllUnnamed(env, from, pkg);
}
JNIEXPORT void JNICALL
Java_java_lang_reflect_Module_addPackage0(JNIEnv *env, jclass cls, jobject m, jstring pkg)
{
! JVM_AddModulePackage(env, m, pkg);
}
--- 114,196 ----
JNIEXPORT void JNICALL
Java_java_lang_reflect_Module_addExports0(JNIEnv *env, jclass cls, jobject from,
jstring pkg, jobject to)
{
! char buf[128];
! char* pkg_name;
!
! if (pkg == NULL) {
! JNU_ThrowNullPointerException(env, "package is null");
! return;
! }
!
! pkg_name = GetInternalPackageName(env, pkg, buf, (jsize)sizeof(buf));
! if (pkg_name != NULL) {
! JVM_AddModuleExports(env, from, pkg_name, to);
! if (pkg_name != buf) {
! free(pkg_name);
! }
! }
}
JNIEXPORT void JNICALL
Java_java_lang_reflect_Module_addExportsToAll0(JNIEnv *env, jclass cls, jobject from,
jstring pkg)
{
! char buf[128];
! char* pkg_name;
!
! if (pkg == NULL) {
! JNU_ThrowNullPointerException(env, "package is null");
! return;
! }
!
! pkg_name = GetInternalPackageName(env, pkg, buf, (jsize)sizeof(buf));
! if (pkg_name != NULL) {
! JVM_AddModuleExportsToAll(env, from, pkg_name);
! if (pkg_name != buf) {
! free(pkg_name);
! }
! }
}
JNIEXPORT void JNICALL
Java_java_lang_reflect_Module_addExportsToAllUnnamed0(JNIEnv *env, jclass cls,
jobject from, jstring pkg)
{
! char buf[128];
! char* pkg_name;
!
! if (pkg == NULL) {
! JNU_ThrowNullPointerException(env, "package is null");
! return;
! }
!
! pkg_name = GetInternalPackageName(env, pkg, buf, (jsize)sizeof(buf));
! if (pkg_name != NULL) {
! JVM_AddModuleExportsToAllUnnamed(env, from, pkg_name);
! if (pkg_name != buf) {
! free(pkg_name);
! }
! }
}
JNIEXPORT void JNICALL
Java_java_lang_reflect_Module_addPackage0(JNIEnv *env, jclass cls, jobject m, jstring pkg)
{
! char buf[128];
! char* pkg_name;
!
! if (pkg == NULL) {
! JNU_ThrowNullPointerException(env, "package is null");
! return;
! }
!
! pkg_name = GetInternalPackageName(env, pkg, buf, (jsize)sizeof(buf));
! if (pkg_name != NULL) {
! JVM_AddModulePackage(env, m, pkg_name);
! if (pkg_name != buf) {
! free(pkg_name);
! }
! }
}
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