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/strings/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 new Java int array converted from the given int array. 24 BASE_EXPORT ScopedJavaLocalRef<jintArray> ToJavaIntArray( 25 JNIEnv* env, const int* ints, size_t len); 26 27 BASE_EXPORT ScopedJavaLocalRef<jintArray> ToJavaIntArray( 28 JNIEnv* env, const std::vector<int>& ints); 29 30 // Returns a new Java long array converted from the given int64 array. 31 BASE_EXPORT ScopedJavaLocalRef<jlongArray> ToJavaLongArray( 32 JNIEnv* env, const int64* longs, size_t len); 33 34 BASE_EXPORT ScopedJavaLocalRef<jlongArray> ToJavaLongArray( 35 JNIEnv* env, const std::vector<int64>& longs); 36 37 // Returns a array of Java byte array converted from |v|. 38 BASE_EXPORT ScopedJavaLocalRef<jobjectArray> ToJavaArrayOfByteArray( 39 JNIEnv* env, const std::vector<std::string>& v); 40 41 BASE_EXPORT ScopedJavaLocalRef<jobjectArray> ToJavaArrayOfStrings( 42 JNIEnv* env, const std::vector<std::string>& v); 43 44 BASE_EXPORT ScopedJavaLocalRef<jobjectArray> ToJavaArrayOfStrings( 45 JNIEnv* env, const std::vector<string16>& v); 46 47 // Converts a Java string array to a native array. 48 BASE_EXPORT void AppendJavaStringArrayToStringVector( 49 JNIEnv* env, 50 jobjectArray array, 51 std::vector<string16>* out); 52 53 BASE_EXPORT void AppendJavaStringArrayToStringVector( 54 JNIEnv* env, 55 jobjectArray array, 56 std::vector<std::string>* out); 57 58 // Appends the Java bytes in |bytes_array| onto the end of |out|. 59 BASE_EXPORT void AppendJavaByteArrayToByteVector( 60 JNIEnv* env, 61 jbyteArray byte_array, 62 std::vector<uint8>* out); 63 64 // Replaces the content of |out| with the Java bytes in |bytes_array|. 65 BASE_EXPORT void JavaByteArrayToByteVector( 66 JNIEnv* env, 67 jbyteArray byte_array, 68 std::vector<uint8>* out); 69 70 // Replaces the content of |out| with the Java ints in |int_array|. 71 BASE_EXPORT void JavaIntArrayToIntVector( 72 JNIEnv* env, 73 jintArray int_array, 74 std::vector<int>* out); 75 76 // Replaces the content of |out| with the Java longs in |long_array|. 77 BASE_EXPORT void JavaLongArrayToLongVector( 78 JNIEnv* env, 79 jlongArray long_array, 80 std::vector<long>* out); 81 82 // Replaces the content of |out| with the Java floats in |float_array|. 83 BASE_EXPORT void JavaFloatArrayToFloatVector( 84 JNIEnv* env, 85 jfloatArray float_array, 86 std::vector<float>* out); 87 88 // Assuming |array| is an byte[][] (array of byte arrays), replaces the 89 // content of |out| with the corresponding vector of strings. No UTF-8 90 // conversion is performed. 91 BASE_EXPORT void JavaArrayOfByteArrayToStringVector( 92 JNIEnv* env, 93 jobjectArray array, 94 std::vector<std::string>* out); 95 96 } // namespace android 97 } // namespace base 98 99 #endif // BASE_ANDROID_JNI_ARRAY_H_ 100
