#include <jni.h>
#include <uuid.h>
#include "org_argeo_api_uuid_NativeUuidFactory.h"
-/* Header for class org_argeo_api_uuid_NativeUuidFactory */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- /*
- * Class: org_argeo_api_uuid_NativeUuidFactory
- * Method: timeUUID
- * Signature: ()Ljava/util/UUID;
- */
- JNIEXPORT jobject JNICALL Java_org_argeo_api_uuid_NativeUuidFactory_timeUUID(
- JNIEnv *env, jobject) {
- uuid_t out;
- jlong msb = 0;
- jlong lsb = 0;
-
- uuid_generate_time(out);
-
- for (int i = 0; i < 8; i++)
- msb = (msb << 8) | (out[i] & 0xff);
- for (int i = 8; i < 16; i++)
- lsb = (lsb << 8) | (out[i] & 0xff);
-
- jclass uuidClass = (*env)->FindClass(env, "java/util/UUID");
- jmethodID uuidConstructor = (*env)->GetMethodID(env, uuidClass,
- "<init>", "(JJ)V");
-
- jobject jUUID = (*env)->AllocObject(env, uuidClass);
- (*env)->CallVoidMethod(env, jUUID, uuidConstructor, msb, lsb);
-
- return jUUID;
- }
-
- /*
- * Class: org_argeo_api_uuid_NativeUuidFactory
- * Method: nameUUIDv5
- * Signature: (Ljava/util/UUID;[B)Ljava/util/UUID;
- */
- JNIEXPORT jobject JNICALL Java_org_argeo_api_uuid_NativeUuidFactory_nameUUIDv5(
- JNIEnv *env, jobject, jobject, jbyteArray name) {
- size_t length = (*env)->GetArrayLength(env, name);
- jbyte *bytes = (*env)->GetByteArrayElements(env, name, 0);
- return NULL;
- }
-
- /*
- * Class: org_argeo_api_uuid_NativeUuidFactory
- * Method: nameUUIDv3
- * Signature: (Ljava/util/UUID;[B)Ljava/util/UUID;
- */
- JNIEXPORT jobject JNICALL Java_org_argeo_api_uuid_NativeUuidFactory_nameUUIDv3(
- JNIEnv *env, jobject, jobject, jbyteArray) {
- return NULL;
- }
-
- /*
- * Class: org_argeo_api_uuid_NativeUuidFactory
- * Method: randomUUIDStrong
- * Signature: ()Ljava/util/UUID;
- */
- JNIEXPORT jobject JNICALL Java_org_argeo_api_uuid_NativeUuidFactory_randomUUIDStrong(
- JNIEnv *env, jobject) {
- uuid_t out;
-
- uuid_generate_random(out);
- return NULL;
- }
-
-// void fromBytes(JNIEnv *env, jobject jUUID, jmethodID uuidConstructor, uuid_t out){
-// jlong msb = 0;
-// jlong lsb = 0;
-//
-// for (int i = 0; i < 8; i++)
-// msb = (msb << 8) | (out[i] & 0xff);
-// for (int i = 8; i < 16; i++)
-// lsb = (lsb << 8) | (out[i] & 0xff);
-//
-// (*env)->CallVoidMethod(env, jUUID, uuidConstructor, msb, lsb);
-//
-// }
-
-// void getMostSignificantBits(uuid_t out) {
-// jlong msb = 0;
-// for (int i = 0; i < 8; i++)
-// msb = (msb << 8) | (out[i] & 0xff);
-// return msb;
-// }
-//
-// jlong getLeastSignificantBits(uuid_t out) {
-// jlong lsb = 0;
-// for (int i = 8; i < 16; i++)
-// lsb = (lsb << 8) | (out[i] & 0xff);
-// return lsb;
-// }
-//
-// jobject fromBits(JNIEnv *env, jlong msb, jlong lsb) {
-// jclass uuidClass = (*env)->FindClass(env, "java/util/UUID");
-// jmethodID uuidConstructor = (*env)->GetMethodID(env, uuidClass,
-// "<init>", "(JJ)V");
-//
-// jobject jUUID = (*env)->AllocObject(env, uuidClass);
-// (*env)->CallVoidMethod(env, jUUID, uuidConstructor, msb, lsb);
-// return jUUID;
-// }
-
-// uuid_t toBytes(JNIEnv *env, jobject jUUID) {
-// uuid_t result;
-//
-// jclass uuidClass = (*env)->FindClass(env, "java/util/UUID");
-// jmethodID getMostSignificantBits = (*env)->GetMethodID(env, uuidClass,
-// "getMostSignificantBits", "J");
-// jmethodID getLeastSignificantBits = (*env)->GetMethodID(env, uuidClass,
-// "getLeastSignificantBits", "J");
-//
-// jlong msb = (*env)->CallLongMethod(env, jUUID, getMostSignificantBits);
-// jlong lsb = (*env)->CallLongMethod(env, jUUID, getMostSignificantBits);
-//
-// for (int i = 0; i < 8; i++)
-// result[i] = (unsigned char) ((msb >> ((7 - i) * 8)) & 0xff);
-// for (int i = 8; i < 16; i++)
-// result[i] = (unsigned char) ((lsb >> ((15 - i) * 8)) & 0xff);
-// return result;
-// }
-
-#ifdef __cplusplus
+
+/*
+ * UTILITIES
+ */
+
+static inline jobject fromBytes(JNIEnv *env, uuid_t out) {
+ jlong msb = 0;
+ jlong lsb = 0;
+
+ for (int i = 0; i < 8; i++)
+ msb = (msb << 8) | (out[i] & 0xff);
+ for (int i = 8; i < 16; i++)
+ lsb = (lsb << 8) | (out[i] & 0xff);
+
+ jclass uuidClass = (*env)->FindClass(env, "java/util/UUID");
+ jmethodID uuidConstructor = (*env)->GetMethodID(env, uuidClass, "<init>",
+ "(JJ)V");
+
+ jobject jUUID = (*env)->AllocObject(env, uuidClass);
+ (*env)->CallVoidMethod(env, jUUID, uuidConstructor, msb, lsb);
+
+ return jUUID;
+}
+
+static inline void toBytes(JNIEnv *env, jobject jUUID, uuid_t result) {
+
+ jclass uuidClass = (*env)->FindClass(env, "java/util/UUID");
+ jmethodID getMostSignificantBits = (*env)->GetMethodID(env, uuidClass,
+ "getMostSignificantBits", "()J");
+ jmethodID getLeastSignificantBits = (*env)->GetMethodID(env, uuidClass,
+ "getLeastSignificantBits", "()J");
+
+ jlong msb = (*env)->CallLongMethod(env, jUUID, getMostSignificantBits);
+ jlong lsb = (*env)->CallLongMethod(env, jUUID, getLeastSignificantBits);
+
+ for (int i = 0; i < 8; i++)
+ result[i] = (unsigned char) ((msb >> ((7 - i) * 8)) & 0xff);
+ for (int i = 8; i < 16; i++)
+ result[i] = (unsigned char) ((lsb >> ((15 - i) * 8)) & 0xff);
+}
+
+/*
+ * JNI IMPLEMENTATION
+ */
+
+/*
+ * Class: org_argeo_api_uuid_NativeUuidFactory
+ * Method: timeUUID
+ * Signature: ()Ljava/util/UUID;
+ */
+JNIEXPORT jobject JNICALL Java_org_argeo_api_uuid_NativeUuidFactory_timeUUID(
+ JNIEnv *env, jobject) {
+ uuid_t out;
+
+ uuid_generate_time(out);
+ return fromBytes(env, out);
+}
+
+/*
+ * Class: org_argeo_api_uuid_NativeUuidFactory
+ * Method: nameUUIDv5
+ * Signature: (Ljava/util/UUID;[B)Ljava/util/UUID;
+ */
+JNIEXPORT jobject JNICALL Java_org_argeo_api_uuid_NativeUuidFactory_nameUUIDv5(
+ JNIEnv *env, jobject, jobject namespaceUuid, jbyteArray name) {
+ uuid_t ns;
+ uuid_t out;
+
+ toBytes(env, namespaceUuid, ns);
+ jsize length = (*env)->GetArrayLength(env, name);
+ jbyte *bytes = (*env)->GetByteArrayElements(env, name, 0);
+
+ uuid_generate_sha1(out, ns, bytes, length);
+ return fromBytes(env, out);
+}
+
+/*
+ * Class: org_argeo_api_uuid_NativeUuidFactory
+ * Method: nameUUIDv3
+ * Signature: (Ljava/util/UUID;[B)Ljava/util/UUID;
+ */
+JNIEXPORT jobject JNICALL Java_org_argeo_api_uuid_NativeUuidFactory_nameUUIDv3(
+ JNIEnv *env, jobject, jobject namespaceUuid, jbyteArray name) {
+ uuid_t ns;
+ uuid_t out;
+
+ toBytes(env, namespaceUuid, ns);
+ jsize length = (*env)->GetArrayLength(env, name);
+ jbyte *bytes = (*env)->GetByteArrayElements(env, name, 0);
+
+ uuid_generate_md5(out, ns, bytes, length);
+ return fromBytes(env, out);
+}
+
+/*
+ * Class: org_argeo_api_uuid_NativeUuidFactory
+ * Method: randomUUIDStrong
+ * Signature: ()Ljava/util/UUID;
+ */
+JNIEXPORT jobject JNICALL Java_org_argeo_api_uuid_NativeUuidFactory_randomUUIDStrong(
+ JNIEnv *env, jobject) {
+ uuid_t out;
+
+ uuid_generate_random(out);
+ return fromBytes(env, out);
}
-#endif
projects / lgpl / argeo-commons.git / blobdiff