1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef BASE_ANDROID_JNI_STRING_H_ 6#define BASE_ANDROID_JNI_STRING_H_ 7 8#include <jni.h> 9#include <string> 10 11#include "base/android/scoped_java_ref.h" 12#include "base/base_export.h" 13#include "base/strings/string_piece.h" 14 15namespace base { 16namespace android { 17 18// Convert a Java string to UTF8. Returns a std string. 19BASE_EXPORT void ConvertJavaStringToUTF8(JNIEnv* env, 20 jstring str, 21 std::string* result); 22BASE_EXPORT std::string ConvertJavaStringToUTF8(JNIEnv* env, jstring str); 23BASE_EXPORT std::string ConvertJavaStringToUTF8(const JavaRef<jstring>& str); 24 25// Convert a std string to Java string. 26BASE_EXPORT ScopedJavaLocalRef<jstring> ConvertUTF8ToJavaString( 27 JNIEnv* env, 28 const base::StringPiece& str); 29 30// Convert a Java string to UTF16. Returns a string16. 31BASE_EXPORT void ConvertJavaStringToUTF16(JNIEnv* env, 32 jstring str, 33 string16* result); 34BASE_EXPORT string16 ConvertJavaStringToUTF16(JNIEnv* env, jstring str); 35BASE_EXPORT string16 ConvertJavaStringToUTF16(const JavaRef<jstring>& str); 36 37// Convert a string16 to a Java string. 38BASE_EXPORT ScopedJavaLocalRef<jstring> ConvertUTF16ToJavaString( 39 JNIEnv* env, 40 const base::StringPiece16& str); 41 42} // namespace android 43} // namespace base 44 45#endif // BASE_ANDROID_JNI_STRING_H_ 46