base/android/jni_array.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_ARRAY_H_
   6 #define BASE_ANDROID_JNI_ARRAY_H_
   7
   8 #include <jni.h>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "base/android/scoped_java_ref.h"
  13 #include "base/basictypes.h"
  14 #include "base/string16.h"
  15
  16 namespace base {
  17 namespace android {
  18
  19 // Returns a new Java byte array converted from the given bytes array.
  20 BASE_EXPORT ScopedJavaLocalRef<jbyteArray> ToJavaByteArray(
  21     JNIEnv* env, const uint8* bytes, size_t len);
  22
  23 // Returns a array of Java byte array converted from |v|.
  24 BASE_EXPORT ScopedJavaLocalRef<jobjectArray> ToJavaArrayOfByteArray(
  25     JNIEnv* env, const std::vector<std::string>& v);
  26
  27 BASE_EXPORT ScopedJavaLocalRef<jobjectArray> ToJavaArrayOfStrings(
  28     JNIEnv* env,  const std::vector<std::string>& v);
  29
  30 BASE_EXPORT ScopedJavaLocalRef<jobjectArray> ToJavaArrayOfStrings(
  31     JNIEnv* env,  const std::vector<string16>& v);
  32
  33 // Converts a Java string array to a native array.
  34 BASE_EXPORT void AppendJavaStringArrayToStringVector(
  35     JNIEnv* env,
  36     jobjectArray array,
  37     std::vector<string16>* out);
  38
  39 BASE_EXPORT void AppendJavaStringArrayToStringVector(
  40     JNIEnv* env,
  41     jobjectArray array,
  42     std::vector<std::string>* out);
  43
  44 // Appends the Java bytes in |bytes_array| onto the end of |out|.
  45 BASE_EXPORT void AppendJavaByteArrayToByteVector(
  46     JNIEnv* env,
  47     jbyteArray byte_array,
  48     std::vector<uint8>* out);
  49
  50 // Replaces the content of |out| with the Java bytes in |bytes_array|.
  51 BASE_EXPORT void JavaByteArrayToByteVector(
  52     JNIEnv* env,
  53     jbyteArray byte_array,
  54     std::vector<uint8>* out);
  55
  56 // Replaces the content of |out| with the Java ints in |int_array|.
  57 BASE_EXPORT void JavaIntArrayToIntVector(
  58     JNIEnv* env,
  59     jintArray int_array,
  60     std::vector<int>* out);
  61
  62 // Assuming |array| is an byte[][] (array of byte arrays), replaces the
  63 // content of |out| with the corresponding vector of strings. No UTF-8
  64 // conversion is performed.
  65 void JavaArrayOfByteArrayToStringVector(
  66     JNIEnv* env,
  67     jobjectArray array,
  68     std::vector<std::string>* out);
  69
  70 }  // namespace android
  71 }  // namespace base
  72
  73 #endif  // BASE_ANDROID_JNI_ARRAY_H_