[java] Switch Java bindings to .cpp

[simgrid.git] / src / bindings / java / jmsg_file.cpp

diff --git a/src/bindings/java/jmsg_file.cpp b/src/bindings/java/jmsg_file.cpp
new file mode 100644 (file)
index 0000000..6e7d204
--- /dev/null
+++ b/src/bindings/java/jmsg_file.cpp
@@ -0,0 +1,56 @@
+/* Functions related to the java file API.                            */
+
+/* Copyright (c) 2012-2014. The SimGrid Team.
+ * All rights reserved.                                                     */
+
+/* This program is free software; you can redistribute it and/or modify it
+ * under the terms of the license (GNU LGPL) which comes with this package. */
+
+#include "jmsg_file.h"
+#include "jxbt_utilities.h"
+
+void jfile_bind(JNIEnv *env, jobject jfile, msg_file_t fd) {
+  env->SetLongField(jfile, jfile_field_bind, (intptr_t)fd);
+}
+
+msg_file_t jfile_get_native(JNIEnv *env, jobject jfile) {
+  msg_file_t file =
+    (msg_file_t)(intptr_t)env->GetLongField(jfile, jfile_field_bind);
+  return file;
+}
+
+JNIEXPORT void JNICALL
+Java_org_simgrid_msg_File_nativeInit(JNIEnv *env, jclass cls) {
+  jclass class_File = env->FindClass("org/simgrid/msg/File");
+  jfile_field_bind = jxbt_get_jfield(env , class_File, "bind", "J");
+  xbt_assert((jfile_field_bind != NULL), "Can't find \"bind\" field in File class.");
+}
+JNIEXPORT void JNICALL
+Java_org_simgrid_msg_File_open(JNIEnv *env, jobject jfile, jobject jpath) {
+  const char *path = env->GetStringUTFChars((jstring) jpath, 0);
+  msg_file_t file;
+
+  file = MSG_file_open(path, NULL);
+  jfile_bind(env, jfile, file);
+
+  env->ReleaseStringUTFChars((jstring) jpath, path);
+}
+JNIEXPORT jlong JNICALL
+Java_org_simgrid_msg_File_read(JNIEnv *env, jobject jfile, jlong jsize) {
+  msg_file_t file = jfile_get_native(env, jfile);
+  return (jlong)MSG_file_read(file, (sg_size_t)jsize);
+}
+
+JNIEXPORT jlong JNICALL
+Java_org_simgrid_msg_File_write(JNIEnv *env, jobject jfile, jlong jsize) {
+  msg_file_t file = jfile_get_native(env, jfile);
+  return (jlong)MSG_file_write(file, (sg_size_t)jsize);
+}
+JNIEXPORT void JNICALL
+Java_org_simgrid_msg_File_close(JNIEnv *env, jobject jfile) {
+  msg_file_t file = jfile_get_native(env, jfile);
+
+  MSG_file_close(file);
+  jfile_bind(env, jfile, NULL);
+}
+