/*

 * Copyright (c) 1999, 2014, 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 <stdlib.h>

#include <string.h>

#include "jni.h"

#include "jni_util.h"

#include "jvm.h"

#include "TimeZone_md.h"

#include "java_util_TimeZone.h"

/*

 * Gets the platform defined TimeZone ID

 */

JNIEXPORT jstring JNICALL

Java_java_util_TimeZone_getSystemTimeZoneID(JNIEnv *env, jclass ign,

                                            jstring java_home)

{

    const char *java_home_dir;

    char *javaTZ;

    jstring jstrJavaTZ = NULL;

    CHECK_NULL_RETURN(java_home, NULL);

    java_home_dir = JNU_GetStringPlatformChars(env, java_home, 0);

    CHECK_NULL_RETURN(java_home_dir, NULL);

    /*

     * Invoke platform dependent mapping function

     */

    javaTZ = findJavaTZ_md(java_home_dir);

    if (javaTZ != NULL) {

        jstrJavaTZ = JNU_NewStringPlatform(env, javaTZ);

        free((void *)javaTZ);

    }

    JNU_ReleaseStringPlatformChars(env, java_home, java_home_dir);

    return jstrJavaTZ;

}

/*

 * Gets a GMT offset-based time zone ID (e.g., "GMT-08:00")

 */

JNIEXPORT jstring JNICALL

Java_java_util_TimeZone_getSystemGMTOffsetID(JNIEnv *env, jclass ign)

{

    char *id = getGMTOffsetID();

    jstring jstrID = NULL;

    if (id != NULL) {

        jstrID = JNU_NewStringPlatform(env, id);

        free((void *)id);

    }

    return jstrID;

}