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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/android/jni_string.h"
#include "base/android/jni_android.h"
#include "base/logging.h"
#include "base/utf_string_conversions.h"
namespace base {
namespace android {
std::string ConvertJavaStringToUTF8(JNIEnv* env, jstring str) {
// JNI's GetStringUTFChars() returns strings in Java-modified UTF8, so we
// instead get the String in UTF16 and convert using our own utility function.
return UTF16ToUTF8(ConvertJavaStringToUTF16(env, str));
}
jstring ConvertUTF8ToJavaString(JNIEnv* env, const std::string& str) {
jstring result = env->NewStringUTF(str.c_str());
CheckException(env);
return result;
}
string16 ConvertJavaStringToUTF16(JNIEnv* env, jstring str) {
const jchar* chars = env->GetStringChars(str, NULL);
DCHECK(chars);
// GetStringChars isn't required to NULL-terminate the strings
// it returns, so the length must be explicitly checked.
string16 result(chars, env->GetStringLength(str));
env->ReleaseStringChars(str, chars);
CheckException(env);
return result;
}
jstring ConvertUTF16ToJavaString(JNIEnv* env, const string16& str) {
jstring result = env->NewString(str.data(), str.length());
CheckException(env);
return result;
}
} // namespace android
} // namespace base
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