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 15 namespace base { 16 namespace android { 17 18 // Convert a Java string to UTF8. Returns a std string. 19 BASE_EXPORT void ConvertJavaStringToUTF8(JNIEnv* env, 20 jstring str, 21 std::string* result); 22 BASE_EXPORT std::string ConvertJavaStringToUTF8(JNIEnv* env, jstring str); 23 BASE_EXPORT std::string ConvertJavaStringToUTF8(const JavaRef<jstring>& str); 24 25 // Convert a std string to Java string. 26 BASE_EXPORT ScopedJavaLocalRef<jstring> ConvertUTF8ToJavaString( 27 JNIEnv* env, 28 const base::StringPiece& str); 29 30 // Convert a Java string to UTF16. Returns a string16. 31 BASE_EXPORT void ConvertJavaStringToUTF16(JNIEnv* env, 32 jstring str, 33 string16* result); 34 BASE_EXPORT string16 ConvertJavaStringToUTF16(JNIEnv* env, jstring str); 35 BASE_EXPORT string16 ConvertJavaStringToUTF16(const JavaRef<jstring>& str); 36 37 // Convert a string16 to a Java string. 38 BASE_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