| // Copyright (c) 2011 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. |
| |
| #include "base/android/jni_array.h" |
| |
| #include "base/android/jni_android.h" |
| #include "base/android/jni_string.h" |
| #include "base/android/scoped_java_ref.h" |
| #include "base/logging.h" |
| |
| namespace base { |
| namespace android { |
| |
| jbyteArray ToJavaByteArray(JNIEnv* env, |
| const unsigned char* bytes, |
| size_t len) { |
| jbyteArray byte_array = env->NewByteArray(len); |
| CheckException(env); |
| DCHECK(byte_array); |
| |
| jbyte* elements = env->GetByteArrayElements(byte_array, NULL); |
| memcpy(elements, bytes, len); |
| env->ReleaseByteArrayElements(byte_array, elements, 0); |
| CheckException(env); |
| |
| return byte_array; |
| } |
| |
| jobjectArray ToJavaArrayOfByteArray(JNIEnv* env, |
| const std::vector<std::string>& v) { |
| ScopedJavaLocalRef<jclass> byte_array_clazz(env, env->FindClass("[B")); |
| jobjectArray joa = env->NewObjectArray(v.size(), |
| byte_array_clazz.obj(), NULL); |
| CheckException(env); |
| |
| for (size_t i = 0; i < v.size(); ++i) { |
| ScopedJavaLocalRef<jobject> byte_array(env, ToJavaByteArray(env, |
| reinterpret_cast<const uint8*>(v[i].data()), v[i].length())); |
| env->SetObjectArrayElement(joa, i, byte_array.obj()); |
| } |
| return joa; |
| } |
| |
| jobjectArray ToJavaArrayOfStrings(JNIEnv* env, |
| const std::vector<std::string>& v) { |
| ScopedJavaLocalRef<jclass> string_clazz(env, |
| env->FindClass("java/lang/String")); |
| jobjectArray joa = env->NewObjectArray(v.size(), string_clazz.obj(), NULL); |
| CheckException(env); |
| |
| for (size_t i = 0; i < v.size(); ++i) { |
| ScopedJavaLocalRef<jstring> item(env, |
| ConvertUTF8ToJavaString(env, v[i])); |
| env->SetObjectArrayElement(joa, i, item.obj()); |
| } |
| return joa; |
| } |
| |
| } // namespace android |
| } // namespace base |