1/*
2 * Copyright (c) 1999, 2014, Oracle and/or its affiliates. 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26#include <stdlib.h>
27#include <string.h>
28
29#include "jni.h"
30#include "jni_util.h"
31#include "jvm.h"
32#include "TimeZone_md.h"
33
34#include "java_util_TimeZone.h"
35
36/*
37 * Gets the platform defined TimeZone ID
38 */
39JNIEXPORT jstring JNICALL
40Java_java_util_TimeZone_getSystemTimeZoneID(JNIEnv *env, jclass ign,
41 jstring java_home)
42{
43 const char *java_home_dir;
44 char *javaTZ;
45 jstring jstrJavaTZ = NULL;
46
47 CHECK_NULL_RETURN(java_home, NULL);
48
49 java_home_dir = JNU_GetStringPlatformChars(env, java_home, 0);
50 CHECK_NULL_RETURN(java_home_dir, NULL);
51
52 /*
53 * Invoke platform dependent mapping function
54 */
55 javaTZ = findJavaTZ_md(java_home_dir);
56 if (javaTZ != NULL) {
57 jstrJavaTZ = JNU_NewStringPlatform(env, javaTZ);
58 free((void *)javaTZ);
59 }
60
61 JNU_ReleaseStringPlatformChars(env, java_home, java_home_dir);
62 return jstrJavaTZ;
63}
64
65/*
66 * Gets a GMT offset-based time zone ID (e.g., "GMT-08:00")
67 */
68JNIEXPORT jstring JNICALL
69Java_java_util_TimeZone_getSystemGMTOffsetID(JNIEnv *env, jclass ign)
70{
71 char *id = getGMTOffsetID();
72 jstring jstrID = NULL;
73
74 if (id != NULL) {
75 jstrID = JNU_NewStringPlatform(env, id);
76 free((void *)id);
77 }
78 return jstrID;
79}
80