shaka-packager/base/android/jni_array.h

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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef BASE_ANDROID_JNI_ARRAY_H_
#define BASE_ANDROID_JNI_ARRAY_H_
#include <jni.h>
#include <string>
#include <vector>
#include "base/android/scoped_java_ref.h"
#include "base/basictypes.h"
#include "base/strings/string16.h"
namespace base {
namespace android {
// Returns a new Java byte array converted from the given bytes array.
BASE_EXPORT ScopedJavaLocalRef<jbyteArray> ToJavaByteArray(
JNIEnv* env, const uint8* bytes, size_t len);
// Returns a new Java long array converted from the given int64 array.
BASE_EXPORT ScopedJavaLocalRef<jlongArray> ToJavaLongArray(
JNIEnv* env, const int64* longs, size_t len);
BASE_EXPORT ScopedJavaLocalRef<jlongArray> ToJavaLongArray(
JNIEnv* env, const std::vector<int64>& longs);
// Returns a array of Java byte array converted from |v|.
BASE_EXPORT ScopedJavaLocalRef<jobjectArray> ToJavaArrayOfByteArray(
JNIEnv* env, const std::vector<std::string>& v);
BASE_EXPORT ScopedJavaLocalRef<jobjectArray> ToJavaArrayOfStrings(
JNIEnv* env, const std::vector<std::string>& v);
BASE_EXPORT ScopedJavaLocalRef<jobjectArray> ToJavaArrayOfStrings(
JNIEnv* env, const std::vector<string16>& v);
// Converts a Java string array to a native array.
BASE_EXPORT void AppendJavaStringArrayToStringVector(
JNIEnv* env,
jobjectArray array,
std::vector<string16>* out);
BASE_EXPORT void AppendJavaStringArrayToStringVector(
JNIEnv* env,
jobjectArray array,
std::vector<std::string>* out);
// Appends the Java bytes in |bytes_array| onto the end of |out|.
BASE_EXPORT void AppendJavaByteArrayToByteVector(
JNIEnv* env,
jbyteArray byte_array,
std::vector<uint8>* out);
// Replaces the content of |out| with the Java bytes in |bytes_array|.
BASE_EXPORT void JavaByteArrayToByteVector(
JNIEnv* env,
jbyteArray byte_array,
std::vector<uint8>* out);
// Replaces the content of |out| with the Java ints in |int_array|.
BASE_EXPORT void JavaIntArrayToIntVector(
JNIEnv* env,
jintArray int_array,
std::vector<int>* out);
// Replaces the content of |out| with the Java floats in |float_array|.
BASE_EXPORT void JavaFloatArrayToFloatVector(
JNIEnv* env,
jfloatArray float_array,
std::vector<float>* out);
// Assuming |array| is an byte[][] (array of byte arrays), replaces the
// content of |out| with the corresponding vector of strings. No UTF-8
// conversion is performed.
BASE_EXPORT void JavaArrayOfByteArrayToStringVector(
JNIEnv* env,
jobjectArray array,
std::vector<std::string>* out);
} // namespace android
} // namespace base
#endif // BASE_ANDROID_JNI_ARRAY_H_