Introducing Java Servlet Container beta.

1 files changed, 94 insertions, 0 deletions

diff --git a/src/java/nxt_jni_Thread.c b/src/java/nxt_jni_Thread.c
new file mode 100644
index 00000000..43dd90bd
--- /dev/null
+++ b/src/java/nxt_jni_Thread.c
@@ -0,0 +1,94 @@
+
+/*
+ * Copyright (C) NGINX, Inc.
+ */
+
+#include <nxt_unit.h>
+#include <jni.h>
+
+#include "nxt_jni_Thread.h"
+
+
+static jclass     nxt_java_Thread_class;
+static jmethodID  nxt_java_Thread_currentThread;
+static jmethodID  nxt_java_Thread_getContextClassLoader;
+static jmethodID  nxt_java_Thread_setContextClassLoader;
+
+
+int
+nxt_java_initThread(JNIEnv *env)
+{
+    jclass  cls;
+
+    cls = (*env)->FindClass(env, "java/lang/Thread");
+    if (cls == NULL) {
+        nxt_unit_warn(NULL, "java.lang.Thread not found");
+        return NXT_UNIT_ERROR;
+    }
+
+    nxt_java_Thread_class = (*env)->NewGlobalRef(env, cls);
+    (*env)->DeleteLocalRef(env, cls);
+    cls = nxt_java_Thread_class;
+
+    nxt_java_Thread_currentThread = (*env)->GetStaticMethodID(env, cls,
+        "currentThread", "()Ljava/lang/Thread;");
+    if (nxt_java_Thread_currentThread == NULL) {
+        nxt_unit_warn(NULL, "java.lang.Thread.currentThread() not found");
+        goto failed;
+    }
+
+    nxt_java_Thread_getContextClassLoader = (*env)->GetMethodID(env, cls,
+        "getContextClassLoader", "()Ljava/lang/ClassLoader;");
+    if (nxt_java_Thread_getContextClassLoader == NULL) {
+        nxt_unit_warn(NULL, "java.lang.Thread.getContextClassLoader() "
+                      "not found");
+        goto failed;
+    }
+
+    nxt_java_Thread_setContextClassLoader = (*env)->GetMethodID(env, cls,
+        "setContextClassLoader", "(Ljava/lang/ClassLoader;)V");
+    if (nxt_java_Thread_setContextClassLoader == NULL) {
+        nxt_unit_warn(NULL, "java.lang.Thread.setContextClassLoader() "
+                      "not found");
+        goto failed;
+    }
+
+    return NXT_UNIT_OK;
+
+failed:
+
+    (*env)->DeleteGlobalRef(env, cls);
+    return NXT_UNIT_ERROR;
+}
+
+void
+nxt_java_setContextClassLoader(JNIEnv *env, jobject cl)
+{
+    jobject thread;
+
+    thread = (*env)->CallStaticObjectMethod(env, nxt_java_Thread_class,
+                                            nxt_java_Thread_currentThread);
+
+    if (thread == NULL) {
+        return;
+    }
+
+    (*env)->CallVoidMethod(env, thread, nxt_java_Thread_setContextClassLoader,
+                           cl);
+}
+
+jobject
+nxt_java_getContextClassLoader(JNIEnv *env)
+{
+    jobject thread;
+
+    thread = (*env)->CallStaticObjectMethod(env, nxt_java_Thread_class,
+                                            nxt_java_Thread_currentThread);
+
+    if (thread == NULL) {
+        return NULL;
+    }
+
+    return (*env)->CallObjectMethod(env, thread,
+                                    nxt_java_Thread_getContextClassLoader);
+}