--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/native/libnet/proxy_util.c	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * 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 "jni_util.h"
+
+#include "proxy_util.h"
+
+jclass proxy_class;
+jclass isaddr_class;
+jclass ptype_class;
+jmethodID isaddr_createUnresolvedID;
+jmethodID proxy_ctrID;
+jfieldID pr_no_proxyID;
+jfieldID ptype_httpID;
+jfieldID ptype_socksID;
+
+int initJavaClass(JNIEnv *env) {
+    jclass proxy_cls = NULL;
+    jclass ptype_cls = NULL;
+    jclass isaddr_cls = NULL;
+
+    // Proxy initialization
+    proxy_cls = (*env)->FindClass(env,"java/net/Proxy");
+    CHECK_NULL_RETURN(proxy_cls, 0);
+    proxy_class = (*env)->NewGlobalRef(env, proxy_cls);
+    CHECK_NULL_RETURN(proxy_class, 0);
+    proxy_ctrID = (*env)->GetMethodID(env, proxy_class, "<init>",
+            "(Ljava/net/Proxy$Type;Ljava/net/SocketAddress;)V");
+    CHECK_NULL_RETURN(proxy_ctrID, 0);
+
+    // Proxy$Type initialization
+    ptype_cls = (*env)->FindClass(env,"java/net/Proxy$Type");
+    CHECK_NULL_RETURN(ptype_cls, 0);
+    ptype_class = (*env)->NewGlobalRef(env, ptype_cls);
+    CHECK_NULL_RETURN(ptype_class, 0);
+    ptype_httpID = (*env)->GetStaticFieldID(env, ptype_class, "HTTP",
+                                            "Ljava/net/Proxy$Type;");
+    CHECK_NULL_RETURN(ptype_httpID, 0);
+    ptype_socksID = (*env)->GetStaticFieldID(env, ptype_class, "SOCKS",
+                                             "Ljava/net/Proxy$Type;");
+    CHECK_NULL_RETURN(ptype_socksID, 0);
+
+    // NO_PROXY
+    pr_no_proxyID = (*env)->GetStaticFieldID(env, proxy_class, "NO_PROXY",
+                                             "Ljava/net/Proxy;");
+    CHECK_NULL_RETURN(pr_no_proxyID, 0);
+
+    // InetSocketAddress initialization
+    isaddr_cls = (*env)->FindClass(env, "java/net/InetSocketAddress");
+    CHECK_NULL_RETURN(isaddr_cls, 0);
+    isaddr_class = (*env)->NewGlobalRef(env, isaddr_cls);
+    CHECK_NULL_RETURN(isaddr_class, 0);
+    isaddr_createUnresolvedID = (*env)->GetStaticMethodID(env, isaddr_class,
+            "createUnresolved",
+            "(Ljava/lang/String;I)Ljava/net/InetSocketAddress;");
+
+    return isaddr_createUnresolvedID != NULL ? 1 : 0;
+}
+
+jobject createProxy(JNIEnv *env, jfieldID ptype_ID, const char* phost, unsigned short pport) {
+    jobject jProxy = NULL;
+    jobject type_proxy = NULL;
+    type_proxy = (*env)->GetStaticObjectField(env, ptype_class, ptype_ID);
+    if (type_proxy) {
+        jstring jhost = NULL;
+        jhost = (*env)->NewStringUTF(env, phost);
+        if (jhost) {
+            jobject isa = NULL;
+            isa = (*env)->CallStaticObjectMethod(env, isaddr_class,
+                    isaddr_createUnresolvedID, jhost, pport);
+            if (isa) {
+                jProxy = (*env)->NewObject(env, proxy_class, proxy_ctrID,
+                                          type_proxy, isa);
+            }
+        }
+    }
+    return jProxy;
+}