1 /*

     2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 

    19 #include "logger.h"

    20 #include "javacommonutils.h"

    21 #include "javajniutils.h"

    22 

    23 using namespace java::util;

    24 

    25 

    26 OS_EXPORT

    27 std::wstring JniUtils::jstringToWstring(JNIEnv* env, const jstring& jStr)

    28 {

    29     jboolean iscopy;

    30 #ifdef __SYMBIAN32__

    31     // In Symbian the size of jchar == the size of wchar_t

    32     const jchar* jChr = env->GetStringChars(jStr, &iscopy);

    33     std::wstring wStr((wchar_t *)jChr, env->GetStringLength(jStr));

    34     env->ReleaseStringChars(jStr, jChr);

    35 #else

    36     // The size of jchar != the size of wchar_t

    37     const char* utf8(env->GetStringUTFChars(jStr, &iscopy));

    38     std::wstring wStr = JavaCommonUtils::utf8ToWstring(utf8);

    39     env->ReleaseStringUTFChars(jStr, utf8);

    40 #endif

    41 

    42     return wStr;

    43 }

    44 

    45 OS_EXPORT

    46 jstring JniUtils::wstringToJstring(JNIEnv* env, const std::wstring& wStr)

    47 {

    48 #ifdef __SYMBIAN32__

    49     // In Symbian the size of jchar == the size of wchar_t

    50     jstring jStr = env->NewString(

    51                        reinterpret_cast<const jchar*>(wStr.c_str()), wStr.length());

    52 #else

    53     // The size of jchar != the size of wchar_t

    54     const char* utf8 = JavaCommonUtils::wstringToUtf8(wStr);

    55     jstring jStr = env->NewStringUTF(utf8);

    56     delete[] utf8;

    57 #endif

    58 

    59     return jStr;

    60 }

    61 

    62 OS_EXPORT

    63 void JniUtils::throwNewException(JNIEnv* aEnv,const std::string& aClassNameOfException,

    64                                  const std::string& aExceptionText)

    65 {

    66     jclass cls = aEnv->FindClass(aClassNameOfException.c_str());

    67     // if cls is NULL, an exception has already been thrown

    68     if (cls != 0)

    69     {

    70         aEnv->ThrowNew(cls, aExceptionText.c_str());

    71     }

    72     // free the local ref

    73     aEnv->DeleteLocalRef(cls);

    74 }

    75