base/android/jni_string.h

   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_