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/*
* Copyright (C) NGINX, Inc.
*/
#include <nxt_auto_config.h>
#include <jni.h>
#include <nxt_unit.h>
#include <nxt_unit_field.h>
#include "nxt_jni.h"
static jclass nxt_java_NoSuchElementException_class;
static jclass nxt_java_IOException_class;
static jclass nxt_java_IllegalStateException_class;
static jclass nxt_java_File_class;
static jmethodID nxt_java_File_ctor;
static inline char nxt_java_lowcase(char c);
int
nxt_java_jni_init(JNIEnv *env)
{
jclass cls;
cls = (*env)->FindClass(env, "java/util/NoSuchElementException");
if (cls == NULL) {
return NXT_UNIT_ERROR;
}
nxt_java_NoSuchElementException_class = (*env)->NewGlobalRef(env, cls);
(*env)->DeleteLocalRef(env, cls);
cls = (*env)->FindClass(env, "java/io/IOException");
if (cls == NULL) {
(*env)->DeleteGlobalRef(env, nxt_java_NoSuchElementException_class);
return NXT_UNIT_ERROR;
}
nxt_java_IOException_class = (*env)->NewGlobalRef(env, cls);
(*env)->DeleteLocalRef(env, cls);
cls = (*env)->FindClass(env, "java/lang/IllegalStateException");
if (cls == NULL) {
(*env)->DeleteGlobalRef(env, nxt_java_NoSuchElementException_class);
(*env)->DeleteGlobalRef(env, nxt_java_IOException_class);
return NXT_UNIT_ERROR;
}
nxt_java_IllegalStateException_class = (*env)->NewGlobalRef(env, cls);
(*env)->DeleteLocalRef(env, cls);
cls = (*env)->FindClass(env, "java/io/File");
if (cls == NULL) {
(*env)->DeleteGlobalRef(env, nxt_java_NoSuchElementException_class);
(*env)->DeleteGlobalRef(env, nxt_java_IOException_class);
(*env)->DeleteGlobalRef(env, nxt_java_IllegalStateException_class);
return NXT_UNIT_ERROR;
}
nxt_java_File_class = (*env)->NewGlobalRef(env, cls);
(*env)->DeleteLocalRef(env, cls);
nxt_java_File_ctor = (*env)->GetMethodID(env, nxt_java_File_class, "<init>",
"(Ljava/lang/String;)V");
if (nxt_java_File_ctor == NULL) {
(*env)->DeleteGlobalRef(env, nxt_java_NoSuchElementException_class);
(*env)->DeleteGlobalRef(env, nxt_java_IOException_class);
(*env)->DeleteGlobalRef(env, nxt_java_IllegalStateException_class);
(*env)->DeleteGlobalRef(env, nxt_java_File_class);
return NXT_UNIT_ERROR;
}
return NXT_UNIT_OK;
}
void
nxt_java_throw_NoSuchElementException(JNIEnv *env, const char *msg)
{
(*env)->ThrowNew(env, nxt_java_NoSuchElementException_class, msg);
}
void
nxt_java_throw_IOException(JNIEnv *env, const char *msg)
{
(*env)->ThrowNew(env, nxt_java_IOException_class, msg);
}
void
nxt_java_throw_IllegalStateException(JNIEnv *env, const char *msg)
{
(*env)->ThrowNew(env, nxt_java_IllegalStateException_class, msg);
}
nxt_unit_field_t *
nxt_java_findHeader(nxt_unit_field_t *f, nxt_unit_field_t *end,
const char *name, uint8_t name_len)
{
const char *field_name;
for (/* void */ ; f < end; f++) {
if (f->skip != 0 || f->name_length != name_len) {
continue;
}
field_name = nxt_unit_sptr_get(&f->name);
if (nxt_java_strcaseeq(name, field_name, name_len)) {
return f;
}
}
return NULL;
}
int
nxt_java_strcaseeq(const char *str1, const char *str2, int len)
{
char c1, c2;
const char *end1;
end1 = str1 + len;
while (str1 < end1) {
c1 = nxt_java_lowcase(*str1++);
c2 = nxt_java_lowcase(*str2++);
if (c1 != c2) {
return 0;
}
}
return 1;
}
static inline char
nxt_java_lowcase(char c)
{
return (c >= 'A' && c <= 'Z') ? c | 0x20 : c;
}
jstring
nxt_java_newString(JNIEnv *env, char *str, uint32_t len)
{
char tmp;
jstring res;
tmp = str[len];
if (tmp != '\0') {
str[len] = '\0';
}
res = (*env)->NewStringUTF(env, str);
if (tmp != '\0') {
str[len] = tmp;
}
return res;
}
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