1 /*
   2  * Copyright 1997-2002 Sun Microsystems, Inc.  All Rights Reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Sun designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Sun in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  22  * CA 95054 USA or visit www.sun.com if you need additional information or
  23  * have any questions.
  24  */
  25 
  26 #include <string.h>
  27 
  28 #include "java_net_InetAddress.h"
  29 #include "net_util.h"
  30 
  31 /************************************************************************
  32  * InetAddress
  33  */
  34 
  35 jclass ia_class;
  36 jfieldID ia_addressID;
  37 jfieldID ia_familyID;
  38 jfieldID ia_preferIPv6AddressID;
  39 jfieldID ia_hostNameID;
  40 
  41 /*
  42  * Class:     java_net_InetAddress
  43  * Method:    init
  44  * Signature: ()V
  45  */
  46 JNIEXPORT void JNICALL
  47 Java_java_net_InetAddress_init(JNIEnv *env, jclass cls) {
  48     if (ia_hostNameID == NULL) {
  49         jclass c = (*env)->FindClass(env,"java/net/InetAddress");
  50         CHECK_NULL(c);
  51         ia_class = (*env)->NewGlobalRef(env, c);
  52         CHECK_NULL(ia_class);
  53         ia_addressID = (*env)->GetFieldID(env, ia_class, "address", "I");
  54         CHECK_NULL(ia_addressID);
  55         ia_familyID = (*env)->GetFieldID(env, ia_class, "family", "I");
  56         CHECK_NULL(ia_familyID);
  57         ia_preferIPv6AddressID = (*env)->GetStaticFieldID(env, ia_class, "preferIPv6Address", "Z");
  58         CHECK_NULL(ia_preferIPv6AddressID);
  59         ia_hostNameID = (*env)->GetFieldID(env, ia_class, "hostName", "Ljava/lang/String;");
  60     }
  61 }